Mychef Bake Technical & Service Manual Download Page 61

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5.12.

Replacement of the resistor

Remove the convection fan cover plate (see 1.5) and the rear part (see 1.1).

Disconnect the 6 wires at the rear of the oven (red).

Convection heater (rear)

Inside the oven, remove the screws that hold the heating element to the cooking chamber.

Replacement of the resistor

Summary of Contents for Bake

Page 1: ...mychefcooking com TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 1 iCOOK iBAKE COOK BAKE SNACK BAKERSHOP Technical Support Service Manual ...

Page 2: ...the siphon 12 2 TROUBLESHOOTING 14 2 1 Checking electrical elements 14 2 2 Checking power supplies 14 2 2 1 Three phase models 14 2 2 2 Single phase models 15 2 2 3 Safety thermostat 15 2 2 4 Safety contactor 16 2 2 5 Relay board LED status 18 2 2 6 Communication cable 18 2 2 7 Control board 19 2 3 Solutions to common problems 19 2 3 1 The oven does not turn on 19 2 3 2 The oven does not start 20 ...

Page 3: ...eplacement of solenoid valves 54 5 7 Replacement of the safety thermostat 55 5 8 Replacement of the steam injection pipe 56 5 9 Replacement of the oven motor turbine 57 5 10 Replacement of the oven motor 58 5 11 Replacement of the oven motor seal 60 5 12 Replacement of the resistor 61 5 13 Replacement of the suction solenoid 62 5 14 Replacement of the latch hook 63 5 15 Replacing the door handle 6...

Page 4: ...t make sure that the equipment is disconnected from the power supply 1 1 Removing the door Before removing the door disconnect the communications cable attached to the oven control See chapter 5 5 1 1 1 Side opening ovens The following picture shows how to remove the door on side opening models Remove the 3 screws in the picture and pull the door upwards Removing the door side opening models ...

Page 5: ...E MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 5 1 1 2 Front opening ovens On front opening ovens turn the locking tabs on the right and left hinges Then lift the door until it is released Removing the door front opening models ...

Page 6: ...ng ovens the door must first be removed On the upper part of the oven remove the 6 M5 screws the door plate and the brackets holding it in place circled below in red Upper top panel screws Front opening ovens have the top panel attached to the sides Remove the rear panel see next chapter and then remove all the screws from the side of the top panel ...

Page 7: ... iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 7 1 3 Removing the real panel 1 3 1 COOK iCOOK BAKE iBAKE The following picture shows how to remove the rear panel Remove the M5 screws circled in red and pull the rear panel downwards Removing the rear panel ...

Page 8: ...ICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 8 1 3 2 BAKERSHOP 6 and 10 600x400 trays For the 600x400 size BAKERSHOP model remove the screws at the rear of the oven Removing the rear panel ...

Page 9: ...OP and SNACK of 3 and 4 trays On BAKERSHOP and SNACK models with 3 and 4 trays remove the screws at the rear of the oven Removing the rear panel 1 4 Removing the side panel The following picture shows how to remove the side panel Remove the 4 screws circled in red from the bottom of the left side Lower screws on the side ...

Page 10: ...anel should release from the tabs on the chamber frame 1 5 Removing the convection fan cover plate The part that separates the cooking chamber with the fan and the heating element can be removed to clean this area First remove the tray supports Move them upwards and then towards the inside of the oven Removing the tray supports bolt on models On some models the guide supports are screwed to the co...

Page 11: ...he supports have been removed repeat the same operation with the part that separates the cooking chamber from the fan and the heating element A flat blade screwdriver or other levering tool can be used to pry and make it easier Removing the protective plate bolt on models Removing the protective plate screw models ...

Page 12: ...ss has been completed replace the chamber fan suction part in reverse order 1 6 Accessing the siphon In ovens equipped with a siphon COOK PRO BAKE iCOOK and iBAKE the siphon can be accessed from the inside of the cooking chamber or from the bottom of the oven To access the siphon cooling pipes or the front water tray drain remove the side panel Oven models that do not have a siphon condensation co...

Page 13: ...mychefcooking com TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 13 Recirculation siphon Drain pipe Recirculation pipe ...

Page 14: ... solenoid light etc To check the relays see chapter 3 2 1 5 To check the door sensor and the motor safety thermostat see section 3 3 1 7 2 2 Checking power supplies Before starting a troubleshooting process verify that the voltages are correctly reaching the relay board contactor three phase models only and control board Dismantle the rear part to access the electronics see 1 3 2 2 1 Three phase m...

Page 15: ...his is not the case check the customer s power cable and electrical installation 2 2 2 Single phase models Single phase models do not have a general contactor so the voltage must be measured at the relay board terminals Checking input voltages single phase models Check that the voltage N L is 230VAC 2 2 3 Safety thermostat Depending on the model the reset button is located on the rear or bottom of...

Page 16: ...K iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 16 Reset safety thermostat lower Reset safety thermostat rear 2 2 4 Safety contactor The contactor is controlled by the safety thermostat on three phase ovens With the oven switched on press the power switch ...

Page 17: ...CB 2202 2 17 ON OFF switch Open the rear of the oven and check that the safety contactor is armed Safety contactor checks If not check that the voltage between poles A1 and A2 is 230VAC If not check the condition of the safety thermostat the ON OFF switch and the wiring between the three elements ...

Page 18: ...he LEDs on the power supply green and on the relay board red are lit up Correct voltage LED on power supply and Mychef relay board If not check the wiring condition between the contactor power supply and relay board 2 2 6 Communication cable Check that the Modbus communication cable linking the relay board and the control board is correctly inserted ...

Page 19: ...and standby when the oven ON OFF switch is pressed When doing so in three phase ovens we must listen to the interlocking of the general safety contactor See chapter 2 2 4 To start the oven press the START STOP button on the front panel of the oven If this is not the case check the following points step by step Before doing so check that the power supply cable is properly connected and that no safe...

Page 20: ...area If the oven responds and the motor and resistor start the problem is that the door is too far away from the strut Door sensor COOK BAKE iCOOK and iBAKE If placing a magnet next to the door sensor does not start the oven check that the door sensor is connected properly and that no wires are loose or cut The BAKERSHOP and SNACK models are equipped with a mechanical micro switch Check by manuall...

Page 21: ...2202 2 21 Door sensor wiring 2 3 3 The oven does not heat up Having started the oven and with a program running check that the power contactor is armed If not check that the voltage between poles A1 and A2 is 230VAC If not check the wiring between the relay board and the contactor Door sensor cable ...

Page 22: ...thermostat trips before change the safety thermostat If it trips at over 350ºC the problem may be a contactor or the control plate not regulating the temperature correctly If the oven turns off and it is not because the safety thermostat has tripped the problem will be the temperature on the control or relay board To check the temperature on the control board with the oven on press the time button...

Page 23: ...ed to let the oven cool down for a reasonable time 2 3 6 The oven does not produce steam Check that the water system is correctly connected and that the stopcock is open If this is all correct check the water pump using the relay test Activate the solenoid valve relay and check that it actually pumps water see 3 2 1 5 If it does not check the voltage to the solenoid valve and make sure it is not o...

Page 24: ...SHOP DT MS CB 2202 2 24 Steam system 2 3 7 The drain is clogged In COOK BAKE iCOOK and iBAKE ovens if the water is not draining away it is highly likely that the drain is clogged You will then need to use a spring drain cleaner to remove the material blocking the drain 0 15L m 0 15L m ...

Page 25: ...mychefcooking com TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 25 Oven drain ...

Page 26: ...s available in the oven errors may occur due to equipment failure If this is the case the display on the COOK BAKE BAKERSHOP and SNACK models will show Er followed by the error or alarm number Error indicator For the iCOOK and iBAKE versions the display will show an error message according to the following image for more information about the error it is possible to view the description by clickin...

Page 27: ...ication between boards is not responding Check wiring 4 8 PROOFER ERROR Communication between boards is not responding or sensors not responding Check wiring 4 9 STATIC OVEN ERROR Communication between boards is not responding or sensors not responding Check wiring 5 EEPROM ERROR Processor and EEPROM communication does not work Check the control board 6 ENGINE ERROR Motor error Check motor wiring ...

Page 28: ...ROGRAM NOT TERMINATED Reserved Not used 26 ERROR CLEANING PROGRAM NOT TERMINATED The oven has been switched off by running a self cleaning programme Perform a rinse Not used 27 ERROR CLEANING TEMPERATURE TOO HOT The oven temperature during a self cleaning programme has risen above a maximum temperature Not used 28 ALARM RECOVERY TEMP TOO LOW The oven has recovered from a power failure and the temp...

Page 29: ...rently disabled 3 2 Mychef COOK BAKE BAKERSHOP SNACK To access the settings menu with the oven turned off press the following simultaneously COOK convection start stop BAKERSHOP SNACK P1 start stop COOK UP PRO and BAKE PRO Panel BAKERSHOP and SNACK AIR and AIR S Panel MASTER control panel When you enter the settings menu the three indicators on the top of the oven will all light up at the same tim...

Page 30: ...e keys The parameters to be configured MANDATORY when changing or reinstalling each control board are Oven type 6GN 1 1 10GN 1 1 etc P1 Number of TSC channels P2 Self cleaning P3 All parameters are presented below 3 2 1 Oven configuration This section allows to check the internal configuration parameters for the oven and diagnose faults and malfunctions as well as their solution by the technical a...

Page 31: ...chef Cook Pro or Bake Pro 1 TYPE_MYCHEF_BAKERSHOP Mychef Bakershop or Snack 2 TYPE_MYCHEF_COOK_NOMYCARE Mychef Cook Up 3 Reserved Reserved 4 Reserved Reserved 5 TYPE_MYCHEF_COOK_MASTER Mychef Cook Master or Bake Master 6 TYPE_AIR Mychef Bakershop and Snack AIR 7 TYPE_AIR_S Mychef Bakershop and Snack AIR S 8 Reserved Reserved 9 Reserved Reserved 10 TYPE_DEMO Demo Disables fan and resistor 11 TYPE_T...

Page 32: ...elf cleaning system The AIR AIR S and UP oven ranges do not have self cleaning The PRO and MASTER 1 1 electric oven ranges have non recirculated self cleaning The Master 6 2 1 electric and gas ovens have recirculated self cleaning The MAX and MASTER 10 2 1 electric and gas oven ranges have extended recirculated self cleaning Gas ovens have recirculated self cleaning NO MODEL MODE 0 AUTOCLEAN_DISAB...

Page 33: ...d that there are no electrical faults on the electronic board To activate them the following process must be carried out Press the convection key COOK BAKE or P1 BAKERSHOP SNACK and use the keys to select the P5 record Press the steam key COOK BAKE or P3 BAKERSHOP SNACK and use the keys to select the relay number to be activated Press the mixed key COOK BAKE or P2 BAKERSHOP SNACK button to activat...

Page 34: ...lay electronics board Tabla 4 Relay test allocations To activate them the following process must be carried out Select record 05 of block P3 and press the PROG button to edit the value Use the display to navigate through the 17 1 16 possibilities and choose the number related to the relay to be tested Press the STEP button to activate the relay The electrical contact will remain closed as long as ...

Page 35: ...ere x NO Sensor 0 Door sensor 1 Reserved 2 Trolley sensor MAX models only 3 Reserved 4 Reserved 5 Engine over temperature sensor Tabla 5 Sensor reading For example If everything is closed the value will be 0 If only the door is open the value shall be 1 If an overtemperature is detected in the motor and the door is open the value will be 20 25 that is 33 ...

Page 36: ...n the oven at user level such as date language volume lighting among others To carry out an advanced configuration of the oven parameters it is necessary to scroll to Advanced configuration and access Main menu Settings Advanced configuration The advanced configuration menu is structured in a block of registers and parameters containing all the oven information To navigate through the parameters a...

Page 37: ...BAKE SNACK BAKERSHOP DT MS CB 2202 2 37 Configuration Parameter settings The parameters to be configured MANDATORY when changing or reinstalling each control board are Oven type 6GN 1 1 10GN 1 1 etc Number of TSC channels Self cleaning All parameters are presented below ...

Page 38: ...f oven Below is a list of all the ovens and the value assigned to each of them in this field NO MODEL MODE 0 TYPE_MYCHEF_06123ML MyChef S 4GN1 1 and MyChef S 6GN2 3 1 TYPE_MYCHEF_06111ML MyChef S 6GN1 1 2 TYPE_MYCHEF_09111ML MyChef S 9GN1 1 3 TYPE_MYCHEF_06111MT MyChef S 6GN1 1 Transversal 4 TYPE_MYCHEF_06111ST MyChef L 6GN1 1 5 TYPE_MYCHEF_10111ST MyChef L 10GN1 1 6 TYPE_MYCHEF_20111ST MyChef L 2...

Page 39: ...27 TYPE_MYCHEF_BAKE_16 Mychef iBake 16 600x400 28 TYPE_MYCHEF_BS_3_23 Mychef Bakershop 3 GN 2 3 29 TYPE_MYCHEF_BS_3_11 Mychef Bakershop 3 GN 1 1 30 TYPE_MYCHEF_BS_4_23 Mychef Bakershop 4 GN 2 3 31 TYPE_MYCHEF_BS_4_11 Mychef Bakershop 4 GN 1 1 32 TYPE_MYCHEF_BS_6_11 Mychef Bakershop 6 GN 1 1 33 TYPE_MYCHEF_BS_10_11 Mychef Bakershop 10 GN 1 1 34 TYPE_DEMO Demo Disables fan and resistor 35 TYPE_TST T...

Page 40: ...e register number allows you to 4configure whether the equipment has a self cleaning system The iBake and iCook 1 1 electric ovens have non recirculating self cleaning The ovens of the iCook 6 2 1 electric ranges have recirculated self cleaning MAX electric and gas ovens have extended recirculated self cleaning The iCook 10 2 1 electric and gas ovens have extended recirculated self cleaning Gas ov...

Page 41: ...oard The 230V relays are associated with a number from 1 to 15 In addition there are 2 12V outputs activated simultaneously with relays 1 and 3 Relay No Definition 1 Not used When this relay is activated relay 17 Cooling 12V is also activated 2 Contactor 3 Not used When this relay is activated relay 16 12V light is also activated 4 Fireplace 5 Steam solenoid valve 6 Condensate cooling solenoid val...

Page 42: ...ll relays are activated and deactivated correctly as well as to make sure that all elements connected to each relay such as lights pumps and motors are working properly GPIO testing This option displays information about the sensors Configuration GPIOs test For example If everything is closed the different options appear inactive If only the door is open the option will be active ...

Page 43: ...ing the credentials the server index is accessed It is necessary to be connected to the same Wi Fi network as the oven More information window Access to the server index Within the Server index access Program ESP32 PIC18 4 1 Firmware To load the firmware update click the Browse button in the PIC18 Programmer and select the hex file ConceptR3_V3 8 hex Click Update PIC18 firmware to install the new ...

Page 44: ...has been successful by checking the firmware version on the display 4 2 Wi Fi module To update the wifi module click on the Browse button in ESP32 Programmer and select the bin file Click on Update ESP32 and wait for the update process to finish To check the updated version disconnect the oven from the power supply and reconnect it In the Smart Control Version section Figure 37 the previously inst...

Page 45: ... chamber light The chamber light is located in the door frame To replace it open the inner door of the oven by pressing lightly on the fastening clips hinged models or removing the screws hinged models Then use two screwdrivers to press the LED light fixing and proceed to its replacement Inner door clips lateral models Inner door screws lateral models ...

Page 46: ...CHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 46 Replacement LED light COOK and BAKE For iCOOK and iBAKE models use a screwdriver to remove the fixing screws of the LED light assembly ...

Page 47: ...AKE SNACK BAKERSHOP DT MS CB 2202 2 47 LED light replacement iCOOK and iBAKE 5 2 Replacement of the chamber probe To replace the core probe the rear part must be removed see 1 3 From the inside of the oven remove the two screws that hold the probe to the cooking chamber ...

Page 48: ...onnector from the relay board Remove the probe to be replaced by pulling the end of the probe from inside the oven Chamber probe connector Then attach the new probe terminal to the cable gland Remember to pass the graphite gasket Pull the cable gland connect the terminal to the relay board and screw the two screws inside the firing chamber ...

Page 49: ...ee 1 3 Disconnect the multi terminal connectors located on the edges of the plate by pulling upwards Squeeze the tabs on the motor connector and pull it upwards until it is disconnected Disconnect the motor starting capacitor Disconnect the probes from the side Finally remove the communications cable Remove the six fixing brackets blue by pressing the tab on each bracket Disassembly of 9 relay boa...

Page 50: ...king com TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 50 Disassembly of 17 relay board Two screws holding the power supply must also be removed Dismantling power supply ...

Page 51: ...disconnect the wiring After the wiring is loose remove the contactor Contactors 5 5 Replacement of the control board Remove the clips from the inner door See Figure 21 Remove the screws on the back of the control Control fixing screws Then remove the control plate towards the front using a flat blade screwdriver To release the quick connectors press the tab on the quick connectors and pull out the...

Page 52: ...mychefcooking com TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 52 Release connectors COOK BAKE BAKERSHOP and SNACK See wiring diagram Figure 73 ...

Page 53: ...mychefcooking com TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 53 Connector release iCOOK iBAKE See wiring diagram Figure 74 ...

Page 54: ...ement of solenoid valves First of all remove the rear panel see 1 1 and then disconnect the FASTON terminals The solenoid valve system is an assembly of 3 valves and 3 solenoid coils and must be treated as a single part Solenoid valve system Remove the two retaining screws and remove the solenoid valve Fastening screws ...

Page 55: ...1 3 Remove the protective plate from the convection fan see 1 4 1 5 First remove the thermostat bulb At the rear of the oven pull the insulating fibre away from the bulb until you reach the bulb retaining nut Thermostat bulb Once the bulb has been removed we will disassemble the thermostat body To do this remove the two FASTON connectors and unscrew the fixing nut Thermostat body ...

Page 56: ...generation tubes fastening Once each silicone tube has been removed at the rear proceed to the extraction of the injection tube inside the chamber by removing the corresponding screws If the sealing gasket is in good condition keep it for later use if it is dry or burnt replace it Attention before replacing the silicone tube check that it is in good condition and pay special attention when tighten...

Page 57: ...he protective plate from the convection fan see 5 Then lock the blade and loosen the central screw by only 1 mm by turning it anticlockwise Once loosened position the extractor inserting it through the slot in the turbine shaft Turbine extractor Lock the shaft with a spanner and turn the release screw Once the blade is loose finish removing the central screw ...

Page 58: ...llows Replacement of the oven motor turbine Then remove the rear part see 1 3 On ovens with a single phase motor disconnect the motor connector by pressing on the retaining tabs and pulling firmly on both connectors Disconnection of the single phase motor Then remove the four nuts and lock washers that hold the engine in place The engine can now be removed ...

Page 59: ...mychefcooking com TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 59 Disassembly of the engine ...

Page 60: ... Replacement of the oven motor seal Proceed as follows Replacement of the oven motor turbine Then remove the rear panel see 1 1 and the oven roof see 1 2 Then remove the four nuts and lock washers securing the engine mounting plate Disassembly of the engine mounting plate Then replace the oil seal Engine oil seal ...

Page 61: ...02 2 61 5 12 Replacement of the resistor Remove the convection fan cover plate see 1 5 and the rear part see 1 1 Disconnect the 6 wires at the rear of the oven red Convection heater rear Inside the oven remove the screws that hold the heating element to the cooking chamber Replacement of the resistor ...

Page 62: ...heating element make sure that the gasket between the heating element and the chamber is replaced At the back of the oven make the wiring connections 5 13 Replacement of the suction solenoid Remove the rear of the oven see 1 1 Then cut the two solenoid wires leaving enough length to make a new splice Remove the two screws from the solenoid and remove it Remove the rubber seal and place it on the n...

Page 63: ...wo M5 screws on the front of the oven This will release the locking adjustment piece On the back of this part loosen the lock nut and remove the hook Disassembly of the locking hook When replacing the hook with a new one align the bottom of the hook with the door latch Make sure that the door closes tightly and does not leak Alignment of the locking hook ...

Page 64: ...o the door taking care that neither the screw nor the lock washer is inside the door The use of a magnetic key is recommended Door handle When fitting a new lever do not forget to fit the lock washers on the screws 5 16 Replacing the door sensor 5 16 1 iCOOK iBAKE COOK BAKE Remove the drip tray from the oven by removing the 4 lower screws and the 2 upper screws Upper drip tray screws ...

Page 65: ...ray screws Then pull hard on the front drip tray to break the silicone cord on the top of the drip tray This will expose the magnetic sensor Remove the two screws holding it in place to replace it Door sensor When reassembling the drip tray apply silicone to the top of the drip tray Silicone application on the drip tray ...

Page 66: ...AL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 66 5 16 2 SNACK BAKERSHOP Remove the front of the sensor by removing the 2 front screws Sensor front screws Then remove the entire sensor assembly by pulling it outwards Remove sensor assembly ...

Page 67: ...P DT MS CB 2202 2 67 Then remove the rear plastic housing and replace the sensor Replace door sensor 5 17 Replacement of the door magnet In iCOOK iBAKE COOK BAKE ovens the door magnet is located in the bottom left or right hand corner depending on which way the door is opened Door magnet ...

Page 68: ...ACK BAKERSHOP DT MS CB 2202 2 68 5 18 Replacement of the cooling fan Dismantle the rear of the oven see 1 23 Then remove the two cap screws that secure the fans to the mounting plate They must be disconnected from the motherboard and replaced Replacement of the convection fan ...

Page 69: ...mychefcooking com TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 69 6 GENERAL WIRING DIAGRAM 6 1 Mychef 9 relays board Wiring diagram 9 relays Mychef ...

Page 70: ...mychefcooking com TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 70 6 2 Mychef 17 relay board Wiring diagram 17 Mychef relays ...

Page 71: ...TECHNICAL SUPPORT SERVICE MANUAL iCOOK iBAKE COOK BAKE SNACK BAKERSHOP DT MS CB 2202 2 71 6 3 Mychef COOK BAKE BAKERSHOP AND SNACK controls Human interface 6 4 Mychef iCOOK and iBAKE controls Human interface iCOOK iBAKE ...

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