Welbilt Merrychef eikon e1s Manual Download Page 95

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eikon e1s

Service and repair guide

3D.

Tests

All service engineers must familiarize themselves with the information in

Section 1: Safety

. before using this Service

and Repair Guide to carry out tests.

Test types

The following tests can be performed by service engineers:

•

Components test with a Portable Appliance Tester (PAT)

•

Microwave power test

•

Microwave leakage test

•

Temperature Control test

•

Soak test

•

Recommission test

•

Main voltage test

Equipment required for tests

•

Portable Appliance Tester (P.A.T.)

•

Digital Multi-Meter (D.M.M.)

•

Microwave detection / leakage meter

•

Temperature reader

•

Continuity meter

•

Door Spacer Kit (4mm) part number PSA1109

•

Microwave safe 600 ml glass beaker

•

Microwave safe 2 liter container

Summary of Contents for Merrychef eikon e1s

Page 1: ...Microwave combination oven Service and repair guide USA Canada Part number 32Z9001 Read instructions before use ...

Page 2: ...mum clearances 4 Hot surface warning There is a risk of burns from high temperatures inside the cavity and on the inside of the appliance door 5 Electric shock warning There is a risk of electric shock if the electrical power is not connected to a properly grounded outlet 6 Equipotential bonding Symbols in document Symbol Meaning Warnings of potential injuries Heed all the warning notices that app...

Page 3: ...ûlures par les hautes températures siégeant dans l enceinte de cuisson et à l intérieur de la porte de l appareil 5 Avertissement choc électrique Risque de choc électrique si l alimentation électrique n est pas raccordée sur une prise correctement mise à la terre 6 Liaison équipotentielle Symboles dans le document Symbole Signification Avertissement sur des blessures potentielles Respecter tous le...

Page 4: ...hat there is no damage to the 1 door bent 2 hinges and latches broken or loosened 3 door seals and sealing surfaces The oven should not be adjusted or repaired by anyone except properly qualified service personnel WARNING Disconnect power at the main external power switch before servicing or repairing a microwave combination oven WARNING To reduce the risk of electric shock do not remove or open c...

Page 5: ... la porte se ferme correctement et qu il n existe aucun signe de dommage sur 1 la porte pliée 2 les charnières et les verrous cassés ou desserrés 3 les joints de la portes et les surfaces d étanchéité Le four ne devrait pas être ajusté ou réparé par personne d autre que le personnel de service qualifié AVERTISSEMENT Avant toute intervention de maintenance ou de réparation sur un four mixte débranc...

Page 6: ...vices 24 Hazard points 27 Risques 27 Intended use of your microwave combination oven 28 1E Requirements to be met by operating personnel working positions 29 1F Hazards and safety precautions during installation and setting up 30 Personal protective equipment requirement 30 Safety precautions relating to the installation location 30 Grounding instructions 31 Instructions de mise à la terre 31 Pote...

Page 7: ...oduction to e1s 44 Identifying your microwave combination oven 44 Appliance parts and their functions 44 Equipment and accessories supplied 46 2B Installing the appliance 47 Unpacking 47 Taking the appliance off the pallet 47 Installation location requirements 48 Electrical installation requirements 49 2C Getting started 51 Fitting the air filter 51 Inserting the cook plate 51 Turning the oven on ...

Page 8: ...e date and time 69 Sound settings 70 Temperature timer setting 71 USB program downloads 72 Temperature band setting 73 Change setting service access password 73 Set screen saver 74 2G Cool down procedures 75 2H Cleaning procedures 76 Daily cleaning tasks 76 Cleaning instructions 77 2I End of day operations 80 Turning the oven off 80 2J Warranty information and contacting customer services 81 Secti...

Page 9: ...ng when replacing appliance parts 116 Overview of parts 118 Removing fitting the casing 120 Removing fitting the door assembly and door seal 121 Replacing a magnetron 124 Replacing the cooling fan 127 Replacing the QTS Quick Touch Screen assembly 128 Replacing the SRB Smart Relay Board 130 Replacing the touchscreen overlay 131 Adjusting the door microswitches 132 Replacing the impinger plate 134 R...

Page 10: ...o servicing or repairing the appliance This document is intended for all trained service technicians who work with the Merrychef eikon e1s microwave combination oven and provides them with the necessary information for carrying out servicing and repair work properly and safely This document must be read and understood without fail by those that will come in to contact with the appliance If the inf...

Page 11: ...11 eikon e1s Service and repair guide Section 1 Safety ...

Page 12: ...stributor Les utilisateurs sont avisés que l entretien et les réparations devraient être effectués par un agent de service autorisé de Merrychef utilisant des pièces de rechange d origine Merrychef Merrychef rejette toute responsabilité relativement à tout produit qui a été installé ajusté utilisé incorrectement ou qui n est pas entretenu conformément aux codes fédéraux provinciaux et locaux ou au...

Page 13: ...olicy that not only ensures compliance with all environmental regulations and laws but also commits us to continuous improvement of our green credentials We have developed a quality and environmental management system to guarantee the continued manufacture of high quality products and to be sure of meeting our environmental targets This system satisfies the requirements of ISO 9001 2008 and ISO 14...

Page 14: ...below Figure 1 1 Nameplate No Item 1 Model Number 2 Serial Number Year of manufacture Month of manufacture Place of manufacture Production number 3 Regulatory Compliance WEEE CE NFPA Ventilation Compliance UL Canada 4 Technical Data Supply Voltage Maximum Phase Current Maximum Power Supply Output Microwave Power Output Convected Power Microwave Frequency 5 Design and Production Details Designed by...

Page 15: ... compliance with all national and state laws and regulations with all applicable local requirements and regulations set forth by the relevant local utility companies and authorities and with all other relevant regulations and standards These include but are not limited to The National Electrical Code ANSI NFPA 70 current edition The Canadian Electrical Code CSA C22 1 The Food Code and Food Service...

Page 16: ...oven for the specified use Never under any circumstances use the microwave combination oven for other purposes Take all the safety precautions specified in this Safety Guide and on the microwave combination oven In particular use the prescribed personal protective equipment Only stand in the working positions specified Do not make any changes to the microwave combination oven e g removing parts or...

Page 17: ...rs in this appliance This type of oven is specifically designed to heat cook or toast food It is not designed for industrial or laboratory use 7 HOT CONTENTS CAN CAUSE SEVERE BURNS DO NOT ALLOW CHILDREN TO USE THE MICROWAVE Use caution when removing hot items 8 Do not operate this appliance if it has a damaged door cord or plug if it is not working properly or it has been damaged or dropped 9 This...

Page 18: ...d the boiling point without appearing to be boiling Visible bubbling or boiling when the container is removed from the microwave combination oven is not always present THIS COULD RESULT IN VERY HOT LIQUIDS SUDDENLY BOILING OVER WHEN THE CONTAINER IS DISTURBED OR A UTENSIL IS INSERTED INTO THE LIQUID Combination microwave ovens 1 Oversized foods or oversized metal utensils should not be inserted in...

Page 19: ...es corrosifs ni de vapeurs dans cet appareil Ce type de four est conçu spécialement pour chauffer cuire ou griller des aliments Il n est pas conçu pour une utilisation industrielle ou pour être utilisé en laboratoire 7 LES CONTENUS TRÉS CHAUDS PEUVENT CAUSER DES BRÛLURES GRAVES N AUTORISEZ PAS LES ENFANTS À UTILISER LE FOUR À MICRO ONDES Faites preuve de prudence quand vous sortez des aliments trè...

Page 20: ...hé peuvent surchauffer au delà du point d ébullition sans sembler bouillir Les bulles ou l ébullition ne sont pas toujours visibles à l enlèvement du récipient du four combiné à micro ondes CECI PEUT CONDUIRE À CE QUE DES LIQUIDES TRÈS CHAUDS SE METTENT SOUDAIN À BOUILLIR LORS D UNE PERTURBATION DU RÉCIPIENT OU À L INSERTION D UN USTENSILE DANS LE LIQUIDE Four combiné à micro ondes 1 Des aliments ...

Page 21: ...tainers or jars since they are liable to explode When handling hot liquids foods and containers care should be taken to avoid scalds and burns Instructions for safe use of the appliance When handling hot liquids foods and containers care should be taken to avoid scalds and burns As with any cooking appliance care should be taken to avoid combustion of the items within the appliance Only use utensi...

Page 22: ...or similarly qualified persons in order to avoid a hazard The appliance must be disconnected from its power supply during maintenance and when replacing parts Unplug appliance such that from any access point the operator can check the plug remains removed Use of disconnection with a locking system in the isolated position is recommended in order to avoid a hazard If the door or door seals are dama...

Page 23: ... with warm water then wipe with a soft cloth or paper towel Do not clean with metal scouring pads Pieces can burn off the pad and touch electrical parts involving a risk of electric shock The air filter Figure 1 3 item 7 is part of the ventilation system and should be cleaned daily Do not heat up the appliance if there are cleaning chemicals inside Full cleaning procedures are detailed in Section ...

Page 24: ... certains de ces risques Vous devez cependant vous assurer que ces dispositifs de sécurité sont en place et en état de marche Warning and safety signs The following warning signs notices must be attached to the microwave combination oven and optional accessories so that they are easily visible at all times The exact position of the labels may vary slightly depending on the version of the oven that...

Page 25: ...wave energy Check the door regularly for damage and replace it if required 7 Air filter The air filter is part of the ventilation system and should be free of obstruction and cleaned daily 8 Door handle The door handle is a rigid bar which is pulled downwards and away from the appliance to open it 9 Door seals The tight seals around the door ensure protection from microwave energy leaking from the...

Page 26: ...liance easily visible and accessible 1 or 3 pole action minimum contact separation 3mm Used to disconnect the appliance from the power supply during cleaning repair and servicing work and in case of danger Action Trip the disconnection device Unplug appliance such that from any access point the operator can check the plug remains removed Use of disconnection with a locking system in the isolated p...

Page 27: ...ombiné à micro ondes devient chaud dans l enceinte de cuisson et sur la face intérieure de la porte de l appareil Cela pose un risque de brûlure sur les surfaces chaudes à l intérieur du four combiné à micro ondes et aussi sur les parties chaudes de l appareil les récipients alimentaires et autres accessoires utilisés pour la cuisson Vapeur d eau chaude fumées 2 Lors de la cuisson des aliments le ...

Page 28: ...et up installed and placed into operation as indicated in this manual and the person responsible for placing it into operation has confirmed this The microwave combination oven must only be operated when all safety devices and protective equipment are fitted in working order and fixed properly in place The manufacturer s regulations for operation and servicing of the microwave combination oven mus...

Page 29: ...n how to operate the microwave combination oven Essentially performs organizational tasks such as Entering the cooking profile data Editing existing cooking profiles in the cookbook Developing new cooking profiles Adjusting appliance settings They may also perform all user tasks if applicable User Semi skilled Trained in how to operate the microwave combination oven Works under supervision Knows t...

Page 30: ...perature lies between 4 C 40 F and 35 C 95 F Not a toxic or potentially explosive atmosphere Dry kitchen floor to reduce the risk of accidents Minimum space requirement must be complied with The minimum height of free space necessary above the top surface of the appliance is 50mm 2 The minimum depth requirement is as follows Width of appliance 406 4mm 16 Total depth with door open 806 9mm 31 8 Cou...

Page 31: ...plug The plug must be plugged into an outlet that is properly installed and grounded Consult a qualified electrician or service technician if the grounding instructions are not completely understood or if doubt exists as to whether the appliance is properly grounded and do not use an extension cord If the power supply cord is too short have a qualified electrician or service technician install an ...

Page 32: ...ctric shock from live electrical parts Live electrical parts are to be found under covers under the operating panel along the mains power lead and on metal parts adjacent to the appliance As such work on the electrical system must only be performed by qualified electricians as per EN50110 1 in EU or equivalent from an authorized service company To avoid risk The appliance must not be installed or ...

Page 33: ...potential bonding system Ensure all warning signs are in their designated position Figure 1 2 Ensure all safety devices and protective equipment are fitted are working correctly and are secured properly in place Do not operate the microwave combination oven unless it has been properly transported set up installed and placed into operation as indicated in this manual and the person responsible for ...

Page 34: ...cloths on any part of the appliance Never remove the external covers of the appliance Never remove any fixed internal parts of the appliance Never tamper with the control panel door seals or any other part of the appliance If the door or door seal is damaged the appliance must not be operated until it has been repaired by a Service Technician The door is a precision made energy barrier with three ...

Page 35: ...xcept properly qualified service personnel This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Radio interference This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures In case of radio or ...

Page 36: ...n pas de l appareil pour éviter les vapeurs chaudes qui s échappent par la porte ouverte Énergie micro ondes excessive Précautions pour éviter toute énergie micro ondes excessive Ne pas tenter de faire fonctionner ce four lorsque la porte est ouverte cela pourrait entraîner une exposition nocive à l énergie dégagée par les micro ondes Il est important de ne pas toucher aux dispositifs de sécurité ...

Page 37: ...sieurs des mesures suivantes 1 Réorienter l antenne de réception 2 Déplacer le four combiné à micro ondes par rapport au récepteur 3 Brancher le four combiné à micro ondes sur une autre prise de façon que le récepteur et le four combiné à micro ondes se trouvent sur des circuits électriques différents Si nécessaire l utilisateur doit consulter le revendeur ou un technicien expérimenté en radio tél...

Page 38: ...ing products General cleaning safety rules and requirements See Section 1D General safety Full cleaning procedures are also detailed in Section 2 Operations and Installation and the Service and Repair Guide Potential risks during cleaning Risk of electric shock from live parts Water on the exterior of the appliance can cause a short circuit which may result in electric shock on touching the applia...

Page 39: ...pliance door Risk of irritation to skin eyes and respiratory system from cleaning products Direct contact with the cleaning or protective chemicals will irritate the skin eyes and respiratory system To minimize this risk Do not inhale the vapors or spray mist from the cleaning and protective chemicals Do not let the cleaning or protective chemicals come into contact with skin eyes or mucous membra...

Page 40: ...r falls off Further information on the above risks and the procedures to avoid them are detailed in Section 1F Hazards and safety precautions during installation and setting up Rules for moving and setting up the wheeled trolley safely The appliance may need to be moved for service and repair To avoid hazards the following rules must be observed when moving the wheeled trolley optional accessory t...

Page 41: ...he oven during cooking Risk of burns from microwave emissions Do not become exposed to emissions from the microwave generator or parts conducting microwave energy Never operate an appliance that has failed the Microwave Leakage test Risk of smoke or fire If one of the electrical components is defective for example due to a short circuit or if the internal wiring is refitted incorrectly when servic...

Page 42: ... dry to reduce the risk of accidents The appliance door of the microwave combination oven must be closed before disposing of the appliance Do not leave food in the cavity Potential risks Risk of electric shock from live parts and loose cables When the safety cover is open there is a risk of electric shock from touching live parts Make sure that any work on the electrical system is performed solely...

Page 43: ...43 eikon e1s Service and repair guide Section 2 Operations and Installation ...

Page 44: ...urately Up to 1024 programs can be stored and simply recalled The oven controls offer even greater flexibility by allowing multistage programming This enables the exact conditions required for quality results to be set according to the food type A single cooking program can have up to six stages each stage controlled with its own time fan speed and microwave power settings Figure 2 1 e1s oven fron...

Page 45: ...Always keep it clean and do not use it to support heavy objects 7 Air filter Situated at the lower front of the appliance the air filter is part of the ventilation system Keep it free of obstruction and clean it daily as described under Section 2G Cleaning procedures 8 Door handle A rigid bar which is pulled downwards and away from the appliance to open it 9 Door seals Ensure a tight seal around t...

Page 46: ... using suitable liners or baskets It is removable for cleaning Air filter The air filter situated at the lower front of the appliance is part of the ventilation system and should be kept clean and free of obstruction Paddle The paddle is used to remove food from the oven There are a number of other optional Merrychef accessories that customers can purchase to use with the microwave combination ove...

Page 47: ...to reveal your microwave combination oven Inspect the appliance for damage before signing the delivery note Record any damage on the delivery note and notify the carrier and manufacturer Never install or put into service a damaged appliance under any circumstances Taking the appliance off the pallet 1 Identify appropriate lifting points Wear appropriate Personal Protective Equipment Do not lift th...

Page 48: ... to operate the microwave combination ovens safely in particular to handle hot food safely Larger wall gaps are generally recommended to provide access for servicing In the installation location the following parts must not be covered adjusted or blocked Air vent on the rear of the appliance Air filter at the front of the appliance Mounting the appliance on a work surface The appliance can be moun...

Page 49: ... appliance must comply with local regulations and national installation requirements Equipotential bonding The appliance must be incorporated in an equipotential bonding system Equipotential bonding electrical connection that ensures that the frames of electrical equipment and any external conductive components are at an equal or practically equal potential Residual current device RCD The installa...

Page 50: ...ination microwave oven complies with EN 61000 3 11 However when connecting sensitive equipment to the same supply as the appliance the user should determine in consultation with the supply authority if necessary that a low impedance supply is used Electrical supply The e1s microwave combination oven is only available as a single phase model and is designed to draw 13 amps maximum in all configurat...

Page 51: ...e cook plate is inserted in the cavity simply by sliding it onto the shelf runners Turning the oven on and off To start up the oven ensure the appliance is clean and empty with just the cook plate inside it Then switch the appliance on using the on off switch at the front of the oven When the oven is switched on the easyTouch screen illuminates with the display briefly showing the serial number an...

Page 52: ...e from the main menu However the main menu is only displayed after the oven is pre heated and therefore if you want to change settings before or whilst the oven is heating for example before first usage do as follows 1 Tap to hold the first screen upon switching on which shows the serial number 2 Press the hidden button at the top right hand corner to load the password screen 3 Enter the administr...

Page 53: ...ard etc YES Use only combustibles approved by the manufacturer Other utensils Tie tags NO Cutlery NO Do not leave utensils in a food product while it is cooking Temperature probes NO Table 2 3 Suitable utensils Preheating the oven The oven will automatically preheat to the set temperature when it is switched on However if the appliance is set up with two or more preheating temperatures a choice is...

Page 54: ... prepared for cleaning Settings Settings are used to control the appliance settings and functions and for service and maintenance purposes Keyboard Keyboard screen The keyboard screen is used to enter password and to insert data for programs Clear screen Select the clear screen key to delete text from the keyboard screen Keyboard Use the keyboard to type in text Spacebar Select the spacebar key to...

Page 55: ...lly start if the program was selected in step 1 Alternatively the program can be selected or changed at this stage 4 Wait for the cooking process to finish An audible signal is given when the cooking process is finished Follow the prompts displayed by the software Do not open the oven door while the food is cooking 5 Open the appliance door and take the food out Hot surface Do not remove cook plat...

Page 56: ...AN SUB x 1 4 Follow any instructions on the screen if displayed and press the green checkmark to start the cooking process Note If food has not been placed in the oven at this stage open the oven door and place it on the cook plate and then press the green checkmark Hot surfaces at the door and in the cavity 5 The cooking time counts down for each stage When the cooking profile ends a red bar is d...

Page 57: ...or and place the food on the cook plate and then press the green checkmark to start cooking Hot surfaces at the door and in the cavity 9 The cooking time counts down for each program stage When the cooking profile ends a red bar is displayed usually with an audible sound Open the door or touch the red X to return to the cooking profile Hot surfaces at the door and in the cavity Note To check the c...

Page 58: ...cooking profile to or from the Press Go menu use the green red arrows in the middle To make a cooking profile from the right list available in the Press Go menu move it into the left list 3 Select backspace to return to the Press Go menu screen when finished Running a cooking profile from the Press Go menu 4 Select Press Go from the main menu screen and then select the cooking profile required to ...

Page 59: ...temperature 1 Take note of the cavity temperature required for the cooking profile and then press the green checkmark to continue Note You can find out the required temperature by selecting a cooking profile highlighted with red border 2 Select the temperature symbol in the selected cooking profile screen 3 An asterisk next to the temperature value indicates the present cavity temperature Select t...

Page 60: ... value 4 Set the microwave power Select the microwave symbol and set the microwave power 0 and 5 100 Select the green checkmark to save the inserted value 5 Set the fan speed Select the fan symbol and set the fan speed within the limits shown on the screen Select the green checkmark to save the inserted value 6 Enter instruction for a stage optional Select the information symbol to enter instructi...

Page 61: ...t cooking profile symbol 6 View or adjust the cooking profile as required See Creating Cooking Profile for instructions on how to change cooking profile entries Moving a cooking profile in a group of cooking profiles 1 Select the cookbook symbol from the main menu and select the group of cooking profile to move e g ITALIAN SUBS 2 Select the edit cookbook symbol in the selected cooking profile scre...

Page 62: ...le within the list Use backspace to return to the cookbook screen Adding a new cooking profile group 1 Select cookbook from the main menu screen 2 Select the edit cookbook symbol from the cookbook screen 3 Select the add a new cooking profile group symbol 4 Select the camera symbol to open a database of pictures 5 Select a picture for the cooking profile group You can use the scroll arrows at the ...

Page 63: ...he up down scroll arrows on the right to find and select the cooking profile you want to add 5 Select the green left arrow to add the selected cooking profile which will now be listed on the left Deleting a cooking profile group 1 Select cookbook from the main menu screen 2 Select the cooking profile group to delete 3 Select the edit cookbook symbol 4 Select the delete cooking profile group symbol...

Page 64: ...t cookbook from the main menu screen 2 Select the edit cookbook symbol from the cookbook screen 3 Select the cooking profile group that you want to edit 4 Select the edit cooking profile group symbol 5 Enter the new name of the cooking profile group and select the green checkmark to continue ...

Page 65: ...ges as required Use the up down scroll arrows at the bottom of the screen to display all functions of the settings menu The settings menu comprises the following functions A Operating mode navigation settings B Language options C Cavity temperature settings and labels D Service information and error logs E Cooking profile counters F Date and time settings G Speaker and sound level settings H Timer...

Page 66: ... menu screen Select ENABLE SETTINGS to display an unlock symbol on the Quick Serve Mode screen to allow access to the settings menu Note If a green checkmark is displayed the corresponding function is active 3 Select MAGNETRON ENERGY DELAY to enable a magnetron warm up period for all cooking profiles Select ENERGY SAVING to enable the hibernation mode when the oven is inactive Language settings 1 ...

Page 67: ...elect the checkmark to continue B Edit temperature labels 1 Select the required label below the temperature 2 Edit the label as required using the keypad 3 Select the checkmark to continue C Add a new temperature 1 Select a disabled temperature option from the screen scroll down using arrow if required 2 Select the temperature area marked as disabled or the red temperature symbol 3 Enter a tempera...

Page 68: ...air Cooking profile counters 1 Select the clipboard symbol to display a listing of cooking profile counters 2 The recipe counts are listed on the right of the screen Use the up down arrows at the bottom of the screen to scroll to the required recipe Adding recipes Recipes can be uploaded from a USB stick See USB program downloads Removing recipes You can remove a recipe by selecting it and then se...

Page 69: ...day on the keypad and select OK 4 Select YEAR enter the correct last two digits of the year on the keypad and select OK To display the month first followed by the day and year select the MM DD YY checkbox A correct date supports servicing as the error logs are recorded using these date settings Change the time 5 Select HOUR enter the correct hour on the keypad and select OK 6 Select MIN enter the ...

Page 70: ...urther sound settings 2 Make changes as required a Select the speaker symbol to adjust the volume level suitable for the environment from none OFF to the loudest 100 b Select the music note symbol to set LOW MED or HIGH tone c Select the keypad symbol to switch the sound ON or OFF when the touchscreen is pressed ...

Page 71: ...f five per day or clear an existing time box using the wipe symbol next to it 5 Enter the start time on the keypad Press the green checkmark to continue 6 Select an empty temperature box opposite the respective time box or clear the required temperature box using the wipe symbol next to it 7 Enter the cavity temperature required on the keypad Alternatively Select zero to turn the heat OFF Select t...

Page 72: ...e programs you want to load into the memory one cbr file and autoupdate 4 Select the type of file you are downloading firmware or recipes The files will now automatically download from the USB memory stick showing the progress and confirmation screens for the update IMPORTANT Downloading from a USB memory stick will clear all the existing programs in the memory of the appliance The USB cover prote...

Page 73: ...elected temperature band value the ready to cook mode and the temperature band are deactivated until the cavity reaches the preset preheat temperature Change setting service access password 7 Select the key symbol to change the passwords of the appliance 8 Select the appliance settings or service symbol 9 Enter the existing password and press the green checkmark to confirm 10 Enter a new password ...

Page 74: ...aver ON or OFF and select the time box below it 2 Enter a time delay on the keypad from 1 to 60 minutes before the screen saver starts Press the green checkmark to confirm 3 An active screen saver will mask the screen showing a moving image To use the touchscreen tap the screen to deactivate the screen saver ...

Page 75: ... the cookbook or the cleaning symbol from the main menu full serve mode 2 In the temperature screen select the blue thermometer symbol to disable heating and start the cooling cycle 3 The cooling progress is displayed and takes approximately 20 minutes To reduce the cool down time leave the appliance door open slightly during the cooling process 4 Once the cooling process is complete you will see ...

Page 76: ...Use solely the cleaning chemicals specified in Table 2 6 to clean the microwave combination oven and its accessories Product Use Merrychef Cleaner Cleaning the cavity and appliance door Merrychef Protector Protecting the cavity and appliance door Common household stainless steel cleaner or hard surface cleaner Caring for the external surfaces of the microwave combination oven Common household dete...

Page 77: ...te or door seal Do not use metallic scourers on any part of the appliance at any time Do not spray cleaning product directly into the cavity Do not use the appliance without a clean air filter in place Pre cleaning checklist The appliance has been cooled down correctly No food has been left in the cavity All containers baking sheets shelf grills and any other accessories have been removed from the...

Page 78: ... door 4 Spray Merrychef approved cleaner onto a sponge and clean all internal surfaces except the cavity roof jet plate and door seal Do not spray directly into the cavity 5 For difficult areas leave to soak for 10 minutes with the appliance door open Use a non abrasive nylon scrub Do not scrub 6 Wash off all surfaces using a wet clean cloth The cavity roof and door seal can be wiped clean with a ...

Page 79: ...cleaned and dried cook plate 4 Press the checkmark on the apply oven protector screen to continue 5 A prompt appears to clean the air filter Stage 3 Clean the air filter and external surfaces 1 Remove the air filter by gently pulling it 2 Wipe the air filter clean or wash in soapy water 3 Dry and replace the air filter 4 Press the green checkmark to confirm cleaning of the air filter 5 The oven sw...

Page 80: ... let moisture escape Note Switch off the power on site before prolonged breaks in use Stage 4 Cure protective chemical if oven protector applied 1 Switch ON the appliance using the on off button 2 Preheat the cavity Once reaching the preset operating temperature it will take about 30 minutes to cure the protective chemical 3 The protective chemical turns light brown when cured and the oven is read...

Page 81: ...g or repair Required information Please have the following appliance data to hand when contacting Welbilt customer service Serial number of your appliance Part number if you are calling about a specific part of the appliance This serial number of the appliance can be found at the rear of the oven on the nameplate as shown in Figure 2 5 Figure 2 5 e1s rear view with nameplate Contact data Welbilt U...

Page 82: ...82 eikon e1s Service and repair guide Section 3 Service and Repair ...

Page 83: ...ce necessary above the top surface of the appliance is 50mm 2 Safety clearance on left right hand side at rear 0mm Electrical specifications See Error Reference source not found in Section 2B Power and heat Microwave power Microwave settings off or 5 100 in 1 increments Convected heat Temperature settings OFF and from 100 C to 260 C 212 F to 500 F in 1 C steps Noise emission The weighted emission ...

Page 84: ...vice and repair guide Dimensional drawings Front view door closed Cavity dimensions door closed View from the top door closed View from the right hand side door open Figure 3 5 e1s dimensions with doors open and closed ...

Page 85: ...t see Tests section of this manual on the appliance before switching on 5 Check the display for error messages If an error is shown refer to the error codes in Table 3 7 in Section 3C 6 If a firmware update is required follow the instructions in 3E Firmware updates before continuing with the service procedure Entering Service Mode 4 Tap to hold the first screen upon switching on press the hidden b...

Page 86: ...ty temperature calibration is required contact the manufacturer 6 Several tests are available in service mode that ensure the appliance is operating correctly The up and down arrows highlighted below can be used to select the required test Test procedures are covered in Section 3D Errors and diagnostics Viewing error messages In the instance of a major error a description of the type of error is s...

Page 87: ...display individual records Note The Failure column shows the error code assigned by the appliance which a service Merrychef Service Engineer may request if contacted 3 A variety of information is displayed for each error You can also use the error code to look up details of the fault using the table in 3C Fault Finding Note Select backspace at any point to return to the error log and again to retu...

Page 88: ...ake several seconds to load before the screen will respond You can use any USB up to 128GB but you are advised to format it before use FAT32 10 Select Files to USB on the USB screen 11 Select Error Log on the following screen 12 Select the green checkmark to copy the error log to the USB memory stick The upload progress is shown followed by the upload status 13 Select backspace three times to retu...

Page 89: ...ber of screen touches filter cycles door cycles total oven power magnetron and heater element power on time and the ambient controls area temperature in the cabinet 3 Select backspace to return to the Service Menu Health checks of components Procedure Service Mode Visual View The Visual View option in Service Mode allows you to do health checks on some of the components of the application includin...

Page 90: ...uring indicates that the door microswitch adjustment is ok Red colouring indicates that the door microswitch adjustment procedure must be completed Check cooling fan Select the cooling fan symbol so it becomes red Increase and decrease the fan power from 0 Off to 100 Max When increasing the fan power from the fan noise should become louder Check convection fan Pressing the fan icon increases the f...

Page 91: ...d the fault for repair fuses SRB door switches connections power supply If the current is 0 A during the magnetron test and the error reoccurs after eight seconds then the failure can be found in the high voltage circuit Replace high voltage components diode rectifier capacitor or magnetron to find out the failing component Never measure in the high voltage circuit See Replacing components section...

Page 92: ...Using a non abrasive pointer such as a ball point pen accurately press the centre of each crosshair displayed on the screen Note If a crosshair turns red you missed the centre of the crosshead and should repeat the procedure 3 If the crosshair turns red you missed the centre of the crosshair Repeat the procedure 4 If the crosshairs turn green three times consecutively the calibration process is co...

Page 93: ...liance Restart if error repeats it is a cavity stat trip If not suspect mag stat trip E 105 Supply frequency high low Detects if the power supply frequency is outside specification The power supply to the oven frequency sensor on the SRB measures too high low Incorrect mains voltage Poor internal external wiring connections Faulty SRB Error not displayed stored in error log If not resolved downloa...

Page 94: ...agnetron stat is open circuit when running microwave Blocked air filters high environmental temperatures Positioning next to heat sources or failed magnetron Display error message until service call and the magnetron cools down or the cavity thermostat is reset Check magnetron is being cooled successfully n a Oven door open longer than 1 min Oven door open Oven inoperable Break in switched feed on...

Page 95: ... service engineers Components test with a Portable Appliance Tester PAT Microwave power test Microwave leakage test Temperature Control test Soak test Recommission test Main voltage test Equipment required for tests Portable Appliance Tester P A T Digital Multi Meter D M M Microwave detection leakage meter Temperature reader Continuity meter Door Spacer Kit 4mm part number PSA1109 Microwave safe 6...

Page 96: ...ontainer glass or plastic with one liter approx 2 pints of tap water at 20 C 68 F and measure and record the water temperature 4 Place the container centrally into the cavity and close the appliance door 5 Select Microwave Power Test from the Service Mode tests screen microwave power 100 for 60 seconds fan minimum The test will start running and count down will begin on screen 6 When the countdown...

Page 97: ...ys hold the probe at right angles to the oven and point of measurement ensuring the probe is reading 50 mm from the test area The leakage should not exceed 5 mW cm 1 Add 275ml of cold water into a 600ml microwave safe container and place it in the centre of the cavity Then close the appliance door 2 Enter Service Mode on the screen and select Microwave leakage test from the appliance tests 3 Set t...

Page 98: ... terms of the level and position on the appliance should be recorded and kept with the appliance user documentation If a level greater than 5 mW cm is observed check for damage to door door seals panel work and replace as necessary then re test If not resolved contact your local Merrychef representative Don t use the appliance hereafter ...

Page 99: ...maximum set point temperature over 30 minutes Once the appliance is up to maximum temperature check for a stable temperature reading Select the red X from the status screen to finish the test if necessary 3 If the temperature reading is different to the maximum set point scroll up to select TEMP COMP Temperature Compensation and enter the password TCOMP 4 Enter the figure from the temperature read...

Page 100: ...ture is still unstable repeat steps 1 to 3 replace the SRB see Section 3F Replacing components and repeat step 6 Reuse the existing PM Personality Module on the new SRB enter serial number on reboot Soak test checking the cavity integrity The Soak test is used to check the overall functionality of the oven while in full operation 1 Place an oven microwave safe container with approximately 2 liters...

Page 101: ...Enter Service Mode For details on how to enter Service Mode see Entering Service Mode in Section 3B Select Recommission Test from the Service Mode oven tests and follow the on screen instructions to perform the tests 2 The test will begin with countdown Do not select the red X unless you want to stop the test 3 After a test has successfully passed select the green checkmark to continue 4 When all ...

Page 102: ...5 The door activates all of the door microswitches and in the correct order 6 The door operation is smooth and the arms run freely in the slots 7 The temperature sensor thermocouple is correctly connected to the SRB 8 The casing is securely refitted with no trapped wires Before finishing a service call recheck the following points 1 Run the recommission tests to ensure the oven is functioning corr...

Page 103: ...or It is very dangerous to work near this part when the oven is on NEVER make any voltage measurements at the high voltage circuits including the magnetron filament 1 Remove all connections from the transformer 2 Using a Digital Multi Meter DMM check the resistance of the windings Results should be as follows Mains winding between tags approx 0 6 1 Ω High Voltage winding approx 60 Ω Filament windi...

Page 104: ...when the oven is on NEVER make any voltage measurements at the high voltage circuits including the magnetron filament 1 Remove all electric connections from the high voltage capacitor 2 Using a Digital Multi Meter DMM check for continuity Results should be as follows Connect the DMM to both terminals of the high voltage capacitor The test is passed if the DMM display reaches approx 10 MΩ Connect t...

Page 105: ...ion fan motor The convection fan motor is a 3 phase AC motor having a maximum speed of 5000 rpm controlled by a motor speed controller The windings are thermally protected and in the event of a thermal fault a trip inside the motor will operate and shut down the motor speed controller Convection fan motor speed controller The convection motor speed controller provides a 3 phase AC switched mode dr...

Page 106: ...uirements have been met before starting the test The appliance has been disconnected from the power supply and protective measures have been taken to ensure the power cannot be switched on again The appliance is cool The high voltage capacitors are discharged before commencing work Anti static precautions have been taken The casing of the appliance has been removed Check the following Electrical s...

Page 107: ... not remove the USB memory stick during the download sequence as this could corrupt the data transferred from the USB stick Save the menu files before uploading files If you have a menu file on your USB memory stick then the menu of the appliance will be overwritten If you do not have file on your USB memory stick the menu of the appliance stays as it is There are two methods for installing firmwa...

Page 108: ...lect from the USB screen Firmware for QTS and SRB updates 6 Install updates by selecting the correct files Updates should be installed in this order 1 SRB update see below for instructions 2 QTS update see below for instructions The update screen will display the file version and product Select the green checkmark to confirm the installation ...

Page 109: ...file name indicates the file is not valid for your oven 2 Check if the file information shown is correct before selecting OK If not select X and locate the correct file 3 The SRB file is checked and the download progress from the USB is displayed followed by the update status and confirmation screens Note Wait until all files have been loaded Do not touch the oven until the end of the downloading ...

Page 110: ...ing OK If not select X and locate the correct file 3 The file update progress is displayed When the QTS download has been completed the oven will reboot and display a flash screen as it updates At 50 the cooling fan stops operating after 100 various screen displays appear as the software reboots 4 Once rebooted check if the screen shows the correct QTS version If not repeat the process using the c...

Page 111: ...ry stick QTS eX XXX VX X XX BIN SRB eX_X_X_XXX BIN VX APP eX CBR Autoupd ATE With the oven switched OFF open the cover of the USB port and insert the USB memory stick into the slot 2 Switch ON the oven 3 Tap the top right of the screen to bypass the preheat stage 4 Enter the password MANAGER and select OK to display the settings menu 5 Select the USB symbol 6 Select the Firmware to Oven USB symbol...

Page 112: ...displayed followed by the update status and confirmation screens 8 The QTS SRB and Application Icon files then download automatically showing the progress status and reboot confirmation screens for each file update 9 On completion the start up screen is displayed showing the updated firmware versions before moving to the pre heat temperature screen ...

Page 113: ...odel type V 004 000 xxx Latest menu file xxxxxxxxxx Load only the correct menu files onto the USB memory stick and not single menus PM Personality Module replacement firmware update The Personality Module on the SRB contains the firmware The Personality Module on the QTS contains the firmware serial number of your appliance temperature calibration cooking profiles application icons and the recipe ...

Page 114: ...memory stick may take several seconds to load before the screen will respond Do not remove the USB memory stick until the process is complete 6 Once the USB memory stick has stopped flashing select the Menu to Oven symbol 7 Select the application icons file to download Note A tinted band over a file name indicates the file is not valid for that appliance ...

Page 115: ...t file 9 When completed select menu file to load the cooking profiles Once the cooking profiles are loaded the appliance restarts 10 Enter the date and time settings 11 Enter the serial number of the appliance found on the rating plate at the rear casing 12 Switch the appliance OFF ON 13 Remove the USB memory stick and keep it in a safe place ...

Page 116: ...ifting the appliance the weight of the appliance may lead to injuries especially in the area of the torso Use a forklift truck or pallet truck to place the appliance in the installation position or to move it to a new position When shifting the appliance into the correct position use enough people for the weight of the appliance when lifting it value depending on age and gender Observe the local o...

Page 117: ...ing all metallic accessories is connected to an equipotential bonding system When the appliance is not connected to an equipotential bonding system there is a risk of electric shock from touching live parts Make sure that any work on the electrical system is performed solely by a qualified electrician from an authorized service company Make sure that the electrical connections are intact and conne...

Page 118: ...118 eikon e1s Service and repair guide Overview of parts The exact position of the parts and components may vary depending on the version of the oven that you have purchased 22 23 24 ...

Page 119: ... motor depending on specific oven settings 11 Transformer low voltage The low voltage transformer feeds the SRB 12 Capacitor high voltage The capacitor completes the magnetron circuit for required high voltage 13 Magnetron high voltage A magnetron generates microwaves 14 Cooling duct The cooling duct leads heat generated by the magnetron s to the rear of the oven 15 Overheat sensor Used by the cav...

Page 120: ... have been taken Tools required M5 5 hex socket wrench nut runner 1 Remove the top panel first Unscrew the four remaining M5 5 screws then lift the rear of the panel and slide backwards Important note The high voltage capacitor should be discharged once the top cover has been removed 2 To remove the side panels unscrew the two screws that attach each side panel to the rear panel When removing the ...

Page 121: ...e appliance is cool The high voltage capacitors are discharged before commencing work Anti static precautions have been taken Tools required Two metal pins length 10 mm 0 4 in Stanley knife Sealant Cloth for wiping residue Unassemble door 1 Open the door fully and locate the holes positioned in the upper area of the hinges 2 Push the two metal pins through the holes in each hinge 3 Close the door ...

Page 122: ... Apply sealant around the existing door seal area Ensure you do all four sides 5 Place the new door seal over the door in the same place as the old one and insert the metal clips in each corner Note You may need to trim the metal clips 6 Apply sealant underneath the door seal and press down firmly to tightly secure the door seal onto the door Ensure it is straight and wipe off any excess sealant l...

Page 123: ...check the fitting Note If the door was removed to replace door seal you can now leave the door closed and let the sealant dry naturally for 24 hours or you can heat up the oven to dry the seal Heating up the oven to dry the seal 3 Switch the oven on and let it heat to 260 degrees 4 Keep the door shut for two hours The oven will be ready for usage again after 2 hours Never use the oven without the ...

Page 124: ...een removed The high voltage capacitors are discharged before commencing work Anti static precautions have been taken Tools required Hammer or similar tool PZ2 Pozidriv screwdriver M8 hex socket wrench Component location The magnetron is located on top of the cavity and is fixed to the cooling duct and the cavity roof The cooling duct covers one side of the magnetron where the magnetron is attache...

Page 125: ... do not get bent Secure them by laying them upon a piece of tube while pushing out the screws Wear personal protective equipment to protect your fingers when using the hammer Comparison of spare magnetrons with right and without left pressed bolts Removing the magnetron 1 Unfasten the pozidriv screws on the right side of the cooling duct Unfasten the pozidriv screws on the left side of the cooling...

Page 126: ... removed by lifting the magnetron body Fitting a magnetron Follow the steps in the reverse order to fit a spare magnetron Ensure nothing becomes trapped under the magnetron mounting points e g insulation material while fitting the magnetron This can lead to microwave leakage If the electric connections have not been restored properly this may lead to malfunction damage of the oven ...

Page 127: ...citors are discharged before commencing work Anti static precautions have been taken Tools required M7 hex socket wrench PZ2 pozidriv screwdriver Component location The cooling fan is located under the oven cavity Removing the cooling fan 1 On the right hand side of the appliance unplug the electrical connection of the cooling fan Loosen the M7 hex nut to free the metal bracket holding the cooling...

Page 128: ...ion damage of the oven Replacing the QTS Quick Touch Screen assembly Requirements and tools Check that the following requirements have been met The appliance has been disconnected from the power supply and protective measures have been taken to ensure the power cannot be switched on again The appliance is cool The top and side panels of the casing of the appliance have been removed The high voltag...

Page 129: ...e four M5 5 hex head flange bolts to remove the QTS assembly from the front panel 5 Remove the PM Personality Module from the QTS and place safely aside Do not use tools to remove or refit the Personality Module Fitting the QTS assembly Follow the steps in the reverse order to fit the QTS assembly Reconnect all electric connections to the QTS board Note Fit the PM removed from the old QTS to the n...

Page 130: ...itors are discharged before commencing work Anti static precautions have been taken Tools required M7 hex socket wrench Component location The SRB System Relay Board extends over the whole width of the oven and rests in a tilted position close to the front panel of the oven It is mounted to the frame of the appliance Removing the SRB 1 Disconnect all cables connecting the SRB to other components 2...

Page 131: ... to malfunction damage of the oven Replacing the touchscreen overlay Requirements and tools Check that the following requirements have been met The appliance has been disconnected from the power supply and protective measures have been taken to ensure the power cannot be switched on again The appliance is cool The top and side panels of the casing of the appliance have been removed The high voltag...

Page 132: ...itch SW1 will short out the microwave circuit blowing the fuse if both primary and secondary microswitches fail You should adjust the microswitches after replacing old with new door hinges Note Micro switch alignment is NOT required if just refitting the same door Important note In the event that the monitor switch causes the microwave circuit fuse to blow the secondary SW2 and monitor SW1 microsw...

Page 133: ... the backplate until microswitch SW2 just activates Then secure all screws 7 Remove the spacers then open and close the appliance door 5 10 times Important checks Check if the switches operate in the following sequence as microswitch SW3 must switch the load current Closing the door SW1 opens first SW2 closes second SW3 closes third oven door open Opening the door SW3 opens first SW2 opens second ...

Page 134: ...ge plate 1 The impinger plate rests on brackets in the upper part of the cavity To assist removal a larger hole is provided at the front of the impinger plate big enough to insert a finger 2 Remove the impinger plate from the cavity by pulling forward and slightly downward Fitting the impinger plate The impinger plate is fitted with the reverse action to removal pushing until the plate slots into ...

Page 135: ...stirrer is positioned inside the top of the oven cavity To access the stirrer the impinger plate is first removed see above Removing the stirrer 1 Removing the impinger plate see above reveals the partition plate Unfasten the nine M7 hex nuts that secure the partition plate 2 The partition plate features a rubber gasket on its upper side which adheres to the upper surface of the cavity The rubber ...

Page 136: ...irrer can then be removed by turning clockwise Remove the remains of the old gasket before fitting the new impinger plate comes with gasket Fitting the stirrer Follow the steps in the reverse order to fit the stirrer When refitting the partition plate fasten the screws on opposite corners sides in turns and do NOT proceed stringently clockwise or counterclockwise Tighten the partition plate screws...

Page 137: ...v PZ1 screwdriver Loctite thread adhesive Replacement partition plate Component location The stirrer motor is positioned on top of the oven cavity between the magnetron and SRB board To remove the motor the stirrer must first be freed from the motor spindle inside the cavity To do this the impinger plate and stirrer are removed as described above Removing the stirrer motor 1 With the stirrer remov...

Page 138: ...s have been taken to ensure the power cannot be switched on again The appliance is cool The casing of the appliance has been removed The high voltage capacitors are discharged before commencing work Anti static precautions have been taken Tools required M7 hex socket wrench Pozidriv PZ1 screwdriver Component location The convection motor is positioned on the rear of the cavity The element connecti...

Page 139: ...embly the silver insulation blanket must be peeled back to give access to the 10 x M7 nuts located at the positions indicated in this picture Note Any high temperature tape compromised when peeling back the insulation will need to be replaced The figure below shows the convection fan assembly and element component arrangement ...

Page 140: ... The appliance is cool The casing of the appliance is removed The high voltage capacitors are discharged before commencing work Anti static precautions have been taken Tools required M8 hex socket wrench Component location The high voltage transformer is located at the rear of the oven below the cavity Removing a transformer high voltage 1 Unplug all electric connections of the transformer s 2 Dis...

Page 141: ...ansformer is heavy Wear safety shoes to protect your feet from a transformer falling down Fitting a transformer high voltage Follow the steps in the reverse order to fit the high voltage transformer s If the electric connections have not been restored properly this may lead to malfunction damage of the oven ...

Page 142: ...asing of the appliance is removed The high voltage capacitors are discharged before commencing work Anti static precautions have been taken Tools required M7 hex socket wrench Pozidriv PZ2 screwdriver Component location The convection fan motor speed controller board is located below the cavity towards the rear of the oven on the left hand side Removing the convection fan motor speed controller 1 ...

Page 143: ... mains supply cable Electromagnetic Compatibility EMC Filter The EMC filter is located on the base panel at the rear of the appliance on the right hand side Diode s high voltage The high voltage diode is located on top of the cavity behind the magnetron Note When replacing the high voltage diode ensure it is installed in the correct orientation Cavity temperature sensor thermocouple The cavity tem...

Page 144: ...switches the oven off should overheating occur The thermostat uses a temperature sensor which is pinned within a holder located towards the rear of the top left edge of the cavity Transformer low voltage The low voltage transformer is located behind the front panel in the top right corner of the appliance Capacitor s high voltage The high voltage capacitor is located on top of the cavity behind th...

Page 145: ... guide 3G Circuit boards and diagrams QTS circuit board assembly Item Name 1 LD5 2 Power Run P Bus C Bus 3 X6 speaker 4 X5 USB socket 5 X4 Communications to SRB 6 X11 Screen backlight 7 X13 Touch pad 8 X9 Display screen PCB PM Module ...

Page 146: ...e to heaters 10 X102a Mains input neutral for magnetron transformers and monitor door switch 11 X102b Mains output neutral to magnetron transformer and monitor door switch 12 X4a Door switch signal from secondary door switch live for magnetron transformer 13 X14 Cavity temperature sensor thermocouple 14 X10 Connector block for door switches 15 X18c Cavity overheat thermostat 16 X18d Magnetron over...

Page 147: ...147 eikon e1s Service and Repair Guide Circuit diagrams ...

Page 148: ...rowave Combination Oven Welbilt is one of the world s largest manufacturers and suppliers of professional gastronomic appliances We supply our customers with energy saving reliable and market leading technologies from a single source If you want to find out more about Welbilt and its company brands please visit us at www welbilt com ...

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