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Service & Parts Manual original Instructions

Part Number 32Z3812 US

Issue 1

3

SAFE

TY & 

REGUL

ATIONS

PR

ODUC

DE

TAILS

TESTING 

COMPONENT

S

SER

VICING

SP

ARES & 

REPL

A

CEMENT

FA

UL

T FINDING

ELEC

TRIC

AL 

CIR

CUIT

S

COMMISSIONING

CONTENTS

SAFETY & REGULATIONS

1  SAFETY REQUIREMENTS 

4

1.1  Important: 

4

PRODUCT DETAILS

2  PRODUCT OVERVIEW & FUNCTIONS 

5

3  MAIN FEATURES 

6

4  TECHNICAL SPECIFICATIONS 

7

4.1  Specifications 

7

4.2  Serial Number (Rating Plate): 

7

5  INSTALLATION 

8

5.1  OVEN LOCATION AND POSITIONING 

8

6  ELECTRICAL INSTALLATION 

9

7  QUICK START GUIDE: QUICK SERVICE OVEN 

10

7.1  START UP 

10

7.2  USING A COOKING PROGRAM 

11

8  OPERATING GUIDE: FULL SERVICE OVEN 

12

8.1  easyToUCH MAIN MENU & KEYBOARD SCREEN 

12

8.2  DEVELOPMENT MODE: CREATING A COOK PROGRAM 

13

8.3  PRESS & GO 

14

8.4  USING A COOKBOOK PROGRAM 

14

8.5  CHANGING THE OVEN TEMPERATURE 

15

8.6  VIEWING & EDITING PROGRAMS 

15

8.7  ADDING A NEW PROGRAM GROUP 

16

8.8  MOVE A PROGRAM WITHIN A PROGRAM GROUP 

16

8.9  ADDING A PROGRAM TO A GROUP 

17

8.10  MANAGING PROGRAM GROUPS 

17

9  OVEN CONTROL SETTINGS 

18

9.1  Oven mode/navigation settings (A) 

18

9.2  Language options (B) 

18

9.3  Oven temperature settings and labels (C) 

18

9.4  Recipe counters (E) 

19

9.5  Date and Time settings (F) 

19

9.6  Sound levels (G) 

19

9.7  Oven Timer (H) 

19

9.8  USB oven programs (J) 

20

9.9  Restore Factory Defaults (K) 

20

9.10  Temperature Band (L) 

20

9.11  Change Password (M) 

20

10  COOLING THE OVEN DOWN BEFORE CLEANING 

21

10.1  Oven cool down 

21

10.2  Preparing to clean the oven 

21

11  Cold oven CLEANING INSTRUCTIONS e3 

22

SERVICING

12  SERVICING THE OVEN 

23

12.1  Servicing Procedure: 

23

12.2  Enter Service mode: 

23

13  ERRORS & DIAGNOSTICS 

24

13.1  ERROR MESSAGES 

24

13.2  COPYING ERROR MESSAGES: 

24

13.3  ERROR LOG 

24

13.4  OVEN COUNTERS 

24

13.5  VISUAL VIEW 

25

14  FIRMWARE UPDATES 

26

TESTING COMPONENTS

15  OVEN TESTING 

28

15.1  Equipment required 

28

15.2  Earth/Insulation Test: 

28

15.3  Screen calibration: 

28

15.4  OVEN TESTS 

29

15.5  Microwave Power Test 

29

15.6  Microwave Leakage Test 

30

15.7  Temperature Control Test 

31

15.8  Soak Test 

32

15.9  Recommission Test 

32

16  HIGH VOLTAGE COMPONENTS 

33

16.1  Power Transformer Test 

33

16.2  High Voltage Rectifier Test (Diode Board) 

33

16.3  High Voltage Capacitor Test 

34

16.4  High Voltage Magnetron Test 

34

17  MAINS VOLTAGE COMPONENTS 

35

17.1  Door Interlock Adjustment 

35

SPARES & REPLACEMENT

18  OVEN COMPONENTS 

36

19  SRB & BTS Circuit Boards 

38

19.1  SRB replacement 

38

19.2  BTS replacement 

38

19.3  PM (Personality Module) replacement 

39

20  SPARE PARTS EXPLODED VIEW 

40

21  SPARE PARTS 

41

FAULT FINDING

22  ERROR CODES DISPLAYED 

43

ELECTRICAL CIRCUITS

23  SRB & BTS Circuit Boards 

45

23.1  BTS LEDs 

45

23.2  BTS Terminal Locations 

45

23.3  SRB LED’s 

46

23.4  SRB Terminal Locations: 

47

24  CIRCUIT DIAGRAMS 

48

24.1  e3 EE 

48

24.2  e3 XE : e3 XX 

50

24.3  POWER CONNECTIONS e3 

52

24.4  CONTROL CIRCUIT e3EE, e3XE & e3XX 

53

24.5  HEATER CIRCUIT e3EE 

54

24.6  HEATER CIRCUIT e3XE & e3 XX 

55

24.7  MICROWAVE CIRCUIT e3EE 

56

24.8  MICROWAVE CIRCUIT e3XE & e3XX 

57

COMMISSIONING

25  Commissioning the oven 

58

25.1  Initial installation 

58

25.2  After Service 

58

Summary of Contents for E3

Page 1: ... original Instructions Part Number 32Z3812 US Issue 1 1 eikonTM CAUTION MICROWAVE EMISSIONS DO NOT BECOME EXPOSED TO EMISSIONS FROM THE MICROWAVE GENERATOR OR PARTS CONDUCTING MICROWAVE ENERGY Service Parts Manual eikon e3 ...

Page 2: ...es WARNING This symbol is shown if there is a possible risk of personal physical injury or if damage may occur to the equipment The relevant safety precautions MUST be observed and implemented at all times INFORMATION This symbol is used to highlight useful or important information For example The manual consists of main sections tab markers on the extreme left and right of the pages followed by t...

Page 3: ... 21 10 2 Preparing to clean the oven 21 11 Cold oven CLEANING INSTRUCTIONS e3 22 SERVICING 12 SERVICING THE OVEN 23 12 1 Servicing Procedure 23 12 2 Enter Service mode 23 13 ERRORS DIAGNOSTICS 24 13 1 ERROR MESSAGES 24 13 2 COPYING ERROR MESSAGES 24 13 3 ERROR LOG 24 13 4 OVEN COUNTERS 24 13 5 VISUAL VIEW 25 14 FIRMWARE UPDATES 26 TESTING COMPONENTS 15 OVEN TESTING 28 15 1 Equipment required 28 15...

Page 4: ...hing the Metalwork Casing Panels etc of the Oven with your Body Only use electrically rated screwdrivers for adjusting 1 1 11 Pots etc ensuring the tool touches nothing else Ensure the Test Equipment is set correctly before use 1 1 12 Test equipment such as meter test leads or clamps 1 1 13 must be fitted and removed whilst the unit is dead for each and every test Do not undertake functional Magne...

Page 5: ...Safety system oven cavity overheat detection How it works Air in the oven cavity is cleaned by being drawn through the catalytic convertor 1 by the convection fan 2 and then passes over the heater element and is circulated into the oven cavity 3 at the set temperature e3C models only Start up Sequence With the oven switch in the OFF position and the mains power ON the BTS SRB boards boot up When t...

Page 6: ...ting it in opposite directions when the motor torque reaches maximum The tray and turntable require cleaning as per instructions OVEN DOOR 6 The twin skinned door has a thermally insulated inner section to lower the surface temperature and incorporates a microwave choke DOOR SEAL 7 Provides a tight seal around the door and must be kept clean The seal must be checked regularly and replaced if worn ...

Page 7: ...N CUSTOMER ACCESSORY COUNTRY i e e4C S V 08 6 D F U 1 GM US e4CSV086DFU1GMUS model e4C 3200W 1500W 208V 60Hz 2P GND 30A moulded Hubbell plug USB 1 General Market USA Description unit Touch screen controls programs Ambient operating temperature C External HxWxD mm External HxWxD inches Internal HxWxD mm Internal HxWxD inches Cooking chamber Ltr cu ins Power output microwave Watts Power output conve...

Page 8: ...earance A of 2 inches 50mm around the oven for hot air to escape Allow sufficient clearance B in front of the oven for the door to open fully The air intake is located at the lower front of the oven 1 and it is important that the airflow is as cool as possible and not preheated by other appliances such as burners stoves ranges fryers grills and griddles as this will deteriorate the life and perfor...

Page 9: ... circuit conductors and connected to the equipment grounding terminal or lead on the appliance ELECTRICAL INSTALLATION 6 In case of Radio or Television Interference This equipment generates and uses radio frequency energy and if not installed and operated correctly in strict accordance with the manufacturer s instructions may cause harmful interference to authorized radio communication services Th...

Page 10: ...ows at the bottom of the screen indicates there are more temperature choices not shown on screen if necessary use the scroll arrows then select the temperature required to start preheating the oven 4 During preheating the display shows the progress as the oven heats up to the set temperature To stop the oven heating touch the red X symbol 5 The oven is ready to use when the COOKBOOK is displayed D...

Page 11: ...yed usually with an audible sound open the door or touch the red X to return to the cook program Note opening the oven door during cooking stops the cooking program and displays a warning Closing the door allows the user to continue or cancel the cooking program Taking all the necessary precautions to ensure you do not burn yourself open the oven door to place the food into the hot oven and close ...

Page 12: ...ure to be changed and the oven to be prepared for cleaning with reminders displayed to assist during the cleaning process 5 SETTINGS are used to control the oven settings and functions including time and language loading cooking programs and for service and maintenance purposes 6 KEYBOARD SCREEN is used to enter an authorised password to enter data for programs and may restrict operator access to ...

Page 13: ... The temperature displays the set preheated oven temperature To increase or decrease the temperature required select the temperature symbol 2 enter the temperature in the keypad within the limits displayed and select OK 3 Select and set the cooking time up to a maximum of 10 minutes For example Enter 110 1minute and 10 seconds 4 Select and set the Microwave Power 0 5 100 5 Select and set a Fan spe...

Page 14: ...he upper list and the lower list shows other menu items which are available Both lists can be scrolled up or down using the arrows on the extreme right 3 Select an item then choose whether to change its order within the menu or to remove it into the lower list 4 Select an item to move into the upper list making it available in the PRESS GO menu 5 Select backspace to return to the menu screen when ...

Page 15: ...ing message appears 6 The cooking timer counts down to zero and makes a sound to indicate an operator action is required at the end of a cooking stage or the end of a cooking program Once the cooking program has finished opening the oven door to remove the food returns the display to the COOKBOOK screen Note opening the oven door during cooking stops the cooking program and displays a warning Clos...

Page 16: ...ws for more pictures 6 Select OK to save the Program Group to the Cookbook Select backspace to return to the COOKBOOK MOVE A PROGRAM WITHIN A 8 8 PROGRAM GROUP Example moving the position of the 4 BURGERS cooking program within the program group called BURGERS 1 Select COOKBOOK from the main menu screen 2 Select the BURGERS program group 3 Select EDIT COOKBOOK 4 Use the up down scroll arrows on th...

Page 17: ...o delete a Program Group Select the Program Group Select the DELETE Program Group symbol Select OK to Delete the Group Scroll to show Program Groups Move the selected Program Group Edit the selected Program Group name Delete the selected Program Group ADDING A PROGRAM TO A GROUP 8 9 To add a cooking program to an existing PROGRAM GROUP Example add Program 4 BURGERS to the program group BURGERS 1 S...

Page 18: ...DISCARD any changed settings 4 OVEN CONTROL SETTINGS 9 Oven mode navigation settings A 9 1 Select the oven mode navigation symbol A 9 1 1 from the Settings menu Select Quick Serve Mode for cooking only 9 1 2 or Full Serve Mode for cooking development programs Select Enable Settings to display an unlock 9 1 3 symbol on the Quick Serve Cookbook screen to allow access to the Settings menu Language op...

Page 19: ... OK Select MIN enter the correct Minutes on the 9 5 7 keypad and select OK Select the AM or PM checkbox for a 12 Hour 9 5 8 clock or select 24 for a 24 Hour clock Select the day name shown to cycle through to 9 5 9 display the correct weekday Sound levels G 9 6 Select the speaker symbol to display the 9 6 1 volume levels Select a sound level suitable for the 9 6 2 environment from none OFF to the ...

Page 20: ...estarts and commences heating up to the PREHEAT temperature ready to cook Remove the USB and keep in a safe place 9 8 7 Reposition the USB cover Restore Factory Defaults K 9 9 Select the factory symbol to replace the 9 9 1 existing oven settings with the original factory default settings Note this action cannot be undone Select OK or select the red cross to cancel 9 9 2 and keep the existing setti...

Page 21: ... continue 4 The cooling progress is displayed and takes approximately 30 minutes 5 The oven is now ready for cleaning Select OK on the screen after completing each stage COOLING THE OVEN DOWN BEFORE CLEANING 10 Preparing to clean the oven 10 2 For the oven to operate at peak efficiency the cavity door air filter and grease filter must be kept clean A daily cleaning routine will ensure that you com...

Page 22: ...c proprietary branded Oven Cleaner onto all the internal surfaces of the oven except the door seal A DO NOT spray directly into the fan opening at the rear inside of the oven 3 For difficult areas leave to soak for 10 minutes with the oven door open Use a non abrasive nylon scrub pad sponge to clean the cavity roof and the inside of the door Do not scrub the door seal or use metallic scourers 4 Wa...

Page 23: ...VICE 4 on the keyboard and select OK to display the error log service information and test options Check the Error Log for details of any logged 12 2 1 oven errors See Errors Diagnostics Servicing section for more details Check the Oven Counters to find the usage 12 2 2 of components and the Controls area temperature within the cabinet Errors Diagnostics Servicing section Check the operational per...

Page 24: ...y stick The upload progress is shown followed by the upload status Select backspace 3 times to return to the 13 2 6 main menu Remove the USB memory stick and replace 13 2 7 the USB cover ERROR LOG 13 3 Enter Service Mode and select ERROR LOG 13 3 1 C to display a listing of oven component errors Error details include component description error caused Date Time of the Error with details of Failure...

Page 25: ...section for details close the door and check the colour on the display Green indicates the door adjustment is ok red indicates that the Door Interlock Adjustment procedure must be completed With the oven door open select the 13 5 4 turntable symbol to check it is freely rotating and stops when deselected Select the cooling fan and cycle through the 13 5 5 settings to check it s operation Place a m...

Page 26: ... if the green tick symbol is not displayed Select the USB symbol 3 or the same 14 5 3 position if it is not displayed Select one of the USB options 4 or the same 14 5 4 position if it is not displayed Firmware for BTS SRB updates and Recipe for Icons Install the SRB update first the BTS update second and Icons third Select the firmware to install and select OK 14 5 5 5 to confirm or the same posit...

Page 27: ...B file required 7 14 5 13 Check the file information is correct before 14 5 14 selecting OK 8 Update progress is displayed 9 14 5 15 Select backspace 10 3x to return to the 14 5 16 USB screen shown 11 If the firmware versions are far apart an SRB 14 5 17 conflict could cause an error message 12 to be displayed BTS FIRMWARE UPDATE Select the BTS file 13 with the correct file 14 5 18 version number ...

Page 28: ...ontinuity meter Door Spacer Kit Part No SA1109 Microwave safe 600ml glass beaker Microwave safe 2 litre container Earth Insulation Test 15 2 Disconnect isolate the oven from the power 15 2 1 supply Connect the mains lead from the oven to a 15 2 2 P A T Portable Application Tester Connect the Earth from the P A T to the oven 15 2 3 hinge A Place the P A T in an open area such as the 15 2 4 floor aw...

Page 29: ...2 temperature reading is as close to 0 C as possible Fill a microwave safe container glass or plastic 1 with one litre 1 78 pints of tap water at about 20 C 68 F Measure and record the water temperature in 2 the container using a thermometer capable of reading 0 1 degree increments Place the container centrally inside the oven 3 Select Microwave Power Test C from the 4 service mode tests Microwave...

Page 30: ... not exceed 5mW cm Procedure Add 275ml of cold water into a 600ml 15 6 1 microwave safe container Place the 600ml container in the centre of 15 6 2 oven and close the door Enter Service mode and select Microwave 15 6 3 leakage test A from the oven tests Set the leakage meter to the appropriate 15 6 4 scale range Move the survey meter probe across all 15 6 5 casework joins and vent areas including ...

Page 31: ...different to the 15 7 5 maximum set point scroll up C to select TEMP COMP Temperature Compensation D and enter the password Enter the figure from the temperature reader 15 7 6 on the keypad E and select OK to calibrate the SRB to the thermocouple Retest to check that the oven cavity 15 7 7 temperature reading is the same as the oven maximum set point temperature If the temperature reading is unsta...

Page 32: ...ecommission tests are performed following the completion of a service or repair to ensure the oven is operational before handing back to the customer Some of the tests have a countdown timer where failing to carry out a test within the time limit will cause a test failure and the Recommission test will have to be restarted Procedure Select Recommission Test A from the 15 9 1 service mode oven test...

Page 33: ... windings Results should be as follows Mains winding between tags approx 1 1 Ω 1 High Voltage winding approx 60 Ω 2 Filament winding between terminals less than 3 1 Ω Using a Megger test the insulation resistance 16 1 7 between Primary winding and chassis pass if reading is over 10 MΩ Filament winding and chassis pass if reading is over 10 MΩ One end of the High Voltage winding is connected to the...

Page 34: ...ischarged before commencing work RemoveallconnectionsfromtheHighVoltage 16 3 5 Capacitor Using a D M M check for continuity between 16 3 6 the terminals Results should be as follows Between Terminals pass if approx 10 MΩ 1 Between Terminals and case pass if open circuit 2 Using a Megger test the insulation resistance 16 3 7 between the Terminals and case pass if reading is over 100 MΩ High Voltage...

Page 35: ...owave circuit to operate when the door is closed and the door seal expands Door Interlock Adjustment procedure 17 1 1 Disconnect and isolate the oven from the 17 1 2 electricity supply Allow the oven to cool down 17 1 3 Remove the oven casing 17 1 4 Ensure that the High Voltage Capacitor is 17 1 5 discharged before commencing work Position red 2mm spacers over the top corners 1 of the door seal an...

Page 36: ...serve and follow all safety precautions including those described under the Safety Regulations section of this manual before attempting a service or repair CAUTION MICROWAVE EMISSIONS DO NOT BECOME EXPOSED TO EMISSIONS FROM THE MICROWAVE GENERATOR OR PARTS CONDUCTING MICROWAVE ENERGY OVEN COMPONENTS 18 4 Microswitch SW1 SW2 11 Magnetron 14 Overheat stat Magnetron 82 Transformer 81 HV capacitor 2 F...

Page 37: ...nge assembly door LH 17 BTS Touch Screen Assy 69 Wave guide 47 Overheat stat oven cavity 76 Cooling duct Magnetron 58 Vent steam outlet 45 Temperature sensor Thermocouple oven cavity 38 Heater element connectors shown 68 Motor assembly convection fan 5 Switch oven ON OFF rear connection 21 Connector Terminal block Mains power supply 83 60Hz multi voltage model Voltage selection relay 50Hz EE model...

Page 38: ...ction green are fitted the correct way round or the oven temperature readings will be wrong Refit the PM removed from the old SRB to the 2 new SRB Refer to the following PM replacement if a new PM is fitted BTS replacement 19 2 Disconnect and isolate the oven from the 19 2 1 electricity supply Allow the oven to cool down 19 2 2 Remove the oven casing 19 2 3 Ensure that the High Voltage Capacitor i...

Page 39: ...2 Enter the service password and select OK to 19 3 3 display the Settings menu see 3 Select the USB symbol 4 19 3 4 SlidetheMerrychefbadgeupwardsandinsert 19 3 5 the USB Memory Stick into the slot 5 Once the USB has stopped flashing select the 19 3 6 required USB recipe symbol 6 Select the Application Icons file to download 19 3 7 7 Note a tinted band over a file name indicates the file is not val...

Page 40: ...5 46 25 55 30 53 20 77 52 79 12 21 40 43 44 41 42 23 17 32 5 51 19 49 50 48 69 13 70 33 81 14 76 11 29 39 78 27 61 58 60 9 9 16 22 31 24 28 38 45 47 57 59 65 66 1 67 68 72 74 83 84 85 10 64 2 3 6 7 8 82 71 18 4 73 15 34 80 35 26 36 63 37 SPARES REPLACEMENT SPARE PARTS EXPLODED VIEW 20 ...

Page 41: ...9 SHEET COVER CAP 12MM DIA 6 EA 6 18 36 25 31Z1307 ETHERNET HOLE PLUG 1 EA 1 3 6 26 31Z4037 M5 KNURLED COIN SLOT THUMB NUT 3 EA 2 6 12 1 27 31Z4041 FAN BLADE 1 EA 1 3 6 28 31Z4042 MOTOR COOLING FAN BLADE 1 EA 1 3 6 29 31Z7086 REED SWITCH RETAIN CLIP 1 EA 1 3 6 1 30 32Z1066 DOOR HANDLE 1 EA 1 3 6 31 32Z7061 PERSONALITY MODULE SRB e3 1 EA 1 3 6 1 32 32Z7064 PERSONALITY MODULE BTS e3 1 EA 1 3 6 1 33 ...

Page 42: ...69 SA374 CAST WAVEGUIDE ASSY 1 EA 0 1 2 70 72 PSR101 EIKON DOOR HINGE KIT 1 EA 1 3 6 1 71 73 PSR102 EIKON M SWITCH BRACKET KIT 1 EA 1 3 6 1 74 PSX203 TURNTABLE DRIVE ASSY 1 EA 1 3 6 1 1 75 SX305 REAR CASEWORK ASSY 1 EA 0 1 2 76 SX306 MAG EXHAUST DUCT ASSY 1 EA 0 1 2 77 SX307 DOOR SEAL ASSY 1 EA 1 3 6 1 1 78 SX309 AIR FILTER ASSY 1 EA 1 3 6 1 1 79 SX314 WAVEGUIDE AIR DUCT 1 EA 0 1 2 80 SX315 CERAMI...

Page 43: ...voltage is outside specification The power supply to the oven voltage sensor on the SRB measures too high low Incorrect mains voltage Poor internal external wiring connections Faulty SRB Critical Display error message until system power cycled E 106 Cavity reaches 25 C above setpoint once it has been controlling at setpoint Detects if the cavity temperature has risen above limits The setpoint of t...

Page 44: ...not connected The thermocouple is broken open circuit Failed SRB Critical Display error message until system is power cycled N A Oven door open longer than 1 min Oven door open Oven inoperable Break in switched feed on SRB Door left open Failed door switch s or SRB Faulty wiring or connection Warning Display warning message until door is closed N A Air Filter removed Air filter not fitted Oven ino...

Page 45: ...e board has booted up Power Lit to show that there is a power supply from the SRB P Bus Irregular flashing indicating data communication with SRB C Bus Lit to show data being loaded from the PM onto the BTS LD5 Lit to show LD5 1 Power Run P Bus C Bus 2 BTS Terminal Locations 23 2 X6 Speaker 3 X5 USB socket 4 X4 Communications to SRB 5 X11 Screen backlight 6 X13 Touch pad 7 X9 Display Screen PCB 8 ...

Page 46: ...nd flash indicating that the board has booted up 12v 5v Lit to show voltage outputs from inboard transformer Relay Triac Lit to show that a signal has been sent to energise that component Cooling fan 1 Convection fan 2 Stirrers Turntable 3 5v supply 4 12v supply 5 Heater safety 6 Heater drive 7 P BUS flashes when data is being sent 8 received RUN 1 second flash Oven Door 9 Microwave safety relay 1...

Page 47: ...thernet Port 10 X12 C Bus Development PC Port 11 X11 P C Bus BTS Cable 12 X1 24V supply from Low Voltage Transformer 13 X8 Cooling Fan 14 X17 Convection fan 15 X20 Turntable motor 16 X9 Mains Output Magnetron stirrer motor 17 X103 1 Mains Output to Low Voltage 18 Transformer X103 Mains Input Live Neutral 19 X2 1 Mains Input Live for Heaters 20 X2 2 Mains Output Live to Heaters 21 X102a Mains Input...

Page 48: ...ck Heater M W only Motor feedback feedback Sch 1 2 3 X5 1 2 X18b 1 2 X18c 1 2 X18d 1 2 X18e SRB Transformer 1 2 3 X18a Convection Magnetron stirrer motor 1 Turntable 60 61 64 65 63 62 Safety Relay Heater Safety relay Sch Triac 16A output Triac output Sch Safety Relay M W Safety relay Sch Current Sense Current Sense Sch Hybrid Relay 1 Hybrid Relay Sch Door switch door switch detection Sch Lcs_Heate...

Page 49: ...51 52 58 59 62 63 M Stirrer motor 60 61 M Turntable X2 2 1 2 X4b 1 2 3 4 X101 1 2 3 X102b 1 2 X14 2 2 X11 X12 X13 1 2 3 X5 29 11 Heater 1 6kW 79 80 77 77 Heater 1 6kW 79 81 80 82 Heater half power relay Convection fan power Turntable 60 61 64 65 58 59 64 65 Convection fan blue black brown blue brown Cooling fan blue black brown blue brown F4 46 45 44 51 52 47 K1 49 50 48 T1 MW1 Diodboard 55 57 56 ...

Page 50: ...P Bus Sch P Bus C P Bus Sch Safety relay Supply Safety relay Sch Air filter feedback feedback Sch 12V X18e 2 MCU MCU Sch 8 4 6 X11 X12 X13 Power switch feedback Heater M W only Motor feedback feedback Sch 1 2 3 X5 Lcs_Heater Lcs_MW L cs_MW 1 2 X18b 1 2 X18c 1 2 X18d 1 2 X18e 1 2 3 X18a Delta L3 L2 L1 Star F1 7 8 9 F2 F3 4 1 5 2 6 3 15 14 13 12 11 10 6 4 3 2 1 18 19 16 17 8 5 1 2 PRI TR3 Heater Mic...

Page 51: ...otor 60 61 M Turntable X2 2 1 2 X4b 1 2 3 4 X101 1 2 3 X102b 1 2 X14 X11 X12 X13 1 2 3 X5 29 11 Heater 1 6kW 78 78 77 77 Heater 1 6kW 58 59 64 65 Convection fan blue black brown blue brown Cooling fan blue black brown blue brown F4 46 45 44 47 48 T1 MW1 Diodboard 55 57 56 F4 46 45 44 51 52 47 K1 49 50 48 T1 MW1 Diodboard 55 57 56 50Hz 60Hz 230 0 0 208 240 NC 25 26 On Off Air filter Cavity 69 70 Ca...

Page 52: ...00W e3XX Convection heater 3kW 1 5kW e3EE Convection heater 3kW e3XE e3XX Product e3XE e3XX Twin Phase Neutral Model Microwave 700W e3XE Microwave 1000W e3XX Convection heater 3kW e3XE e3XX Neutral Neutral Heater circuit Heater circuit Microwave circuit Microwave circuit Control circuit Control circuit Live L1 Phase 1 Heater circuit Heater circuit Microwave circuit Control circuit Control circuit ...

Page 53: ... 25 TR3 61 63 59 65 17 19 N L 70 71 28 26 15 3 14 9 L1 TWIN PHASE MODEL Filter 1 Connector view CONTROL CIRCUIT e3EE e3XE e3XX 24 4 Filter 1 Filter 1 Safety Aux Input detection for control in out Stirrer Turn table Cooling fan Convection fan Air filter Reed Cont CAV O H MW O H ON OFF switch Safety Relay supply controlled Fuse 3 L SINGLE PHASE MODEL 3 Amp ...

Page 54: ...10 7 11 11 1 N 4 7 10 x2 1 x14 1 x14 2 x2 2 29 29 79 82 81 80 77 Filter 3 normally closed Filter 3 Temperature thermocouple Heat half Power Relay Heater Element Filter 3 Connector view Processor controlled input for Safety Heater Relay Powered by Safety Supply relay Fuse 1 HEATER CIRCUIT e3EE 24 5 20 Amp L ...

Page 55: ...10 7 11 11 1 N 4 7 10 x2 1 x14 1 x14 2 x2 2 29 29 78 78 77 Filter 3 Filter 3 Temperature thermocouple Heater Element Filter 3 Connector view Processor controlled input for Safety Heater Relay Powered by Safety Supply relay Fuse 1 HEATER CIRCUIT e3XE e3 XX 24 6 20 Amp L1 TWIN PHASE MODEL L SINGLE PHASE MODEL ...

Page 56: ...47 45 48 46 81 82 Hybrid Relay Safety Relay Microwave Powered by Safety Supply relay Filter 2 LHS SW3 normally open Current Sense To SRB E101 Sense Fuse 4 RHS SW1 normally closed Door Switches shown in door open position RHS SW2 normally open Fuse 2 20 Amp 10 Amp Heat half Power Relay HV Transformer Diode Board Filter 2 Filter 4 Filter 4 Filter 4 Connector view Filter 2 Connector view MICROWAVE CI...

Page 57: ... Hybrid Relay Safety Relay Microwave Powered by Safety Supply relay Filter 2 LHS SW3 normally open Current Sense To SRB E101 Sense Fuse 4 RHS SW1 normally closed Door Switches shown in door open position RHS SW2 normally open Fuse 2 20 Amp 10 Amp HV Transformer Diode Board Filter 2 Filter 4 Filter 4 Filter 4 Connector view Filter 2 Connector view MICROWAVE CIRCUIT e3XE e3XX 24 8 L1 TWIN PHASE MODE...

Page 58: ...5 Instruct Users with an Overview of the equipment 26 Operation Safety Hazards Complete Service Report 27 After Service 25 2 Complete the following checks after the Oven has been Serviced Repaired Tested before connecting to the mains electricity power supply All internal electrical connections are correct see 25 2 1 wiring diagrams All wiring insulation is correct and is not touching 25 2 2 any s...

Page 59: ...Service Parts Manual original Instructions Part Number 32Z3812 US Issue 1 59 ...

Page 60: ...marking shown on the product or its literature indicates that it should not be disposed with other household wastes at the end of its working life To prevent possible harm to the environment or human health from uncontrolled waste disposal please separate this from other types of wastes and recycle it responsibly to promote the sustainable reuse of material resources Household users should contact...

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