Mychef iCOOK Operating manual
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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iCOOK | iBAKE | COOK
BAKE | SNACK
BAKERSHOP
Technical Support Service Manual
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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INDEX
1. DISASSEMBLY FOR SERVICE ACCESS..................................................................... 4
1.1. Removing the door............................................................................................................ 4
1.1.1. Side-opening ovens ................................................................................................ 4
1.1.2. Front-opening ovens .............................................................................................. 5
1.2. Removing the top panel.................................................................................................... 6
1.3. Removing the real panel ................................................................................................... 7
1.3.1. COOK, iCOOK, BAKE, iBAKE ................................................................................ 7
1.3.2. BAKERSHOP 6 and 10 600x400 trays ................................................................... 8
1.3.3. BAKERSHOP and SNACK of 3 and 4 trays............................................................ 9
1.4. Removing the side panel .................................................................................................. 9
1.5. Removing the convection fan cover plate..................................................................... 10
1.6. Accessing 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
2.3.3. The oven does not heat up .................................................................................. 21
2.3.4. The oven turns itself off or the electronics do not respond ............................. 22
2.3.5. The oven burns the food ...................................................................................... 23
2.3.6. The oven does not produce steam ..................................................................... 23
2.3.7. The drain is clogged ............................................................................................. 24
2.4. Automatic error detection .............................................................................................. 26
2.4.1. Mychef COOK/ iCOOK/BAKE/iBAKE/BAKERSHOP/SNACK ........................... 26
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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3. SETTINGS MENU .................................................................................................. 29
3.1. Access password.............................................................................................................. 29
3.2. Mychef COOK / BAKE / BAKERSHOP / SNACK ........................................................... 29
3.2.1. Oven configuration ............................................................................................... 30
3.3. Mychef iCOOK / iBAKE ................................................................................................... 36
3.3.1. Oven configuration ............................................................................................... 38
4. FIRMWARE UPDATE............................................................................................. 43
4.1. Firmware ........................................................................................................................... 43
4.2. Wi-Fi module .................................................................................................................... 44
5. REPLACEMENT OF ELEMENTS ............................................................................. 45
5.1. Replacing the chamber light .......................................................................................... 45
5.2. Replacement of the chamber probe ............................................................................. 47
5.3. Replacement of the relay board..................................................................................... 49
5.4. Replacement of contactors ............................................................................................. 51
5.5. Replacement of the control board................................................................................. 51
5.6. Replacement 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........................................................................................... 64
5.16. Replacing the door sensor ........................................................................................... 64
5.16.1. iCOOK/iBAKE/COOK/BAKE............................................................................ 64
5.16.2. SNACK/BAKERSHOP ........................................................................................ 66
5.17. Replacement of the door magnet ............................................................................... 67
5.18. Replacement of the cooling fan................................................................................... 68
6. GENERAL WIRING DIAGRAM ............................................................................... 69
6.1. Mychef 9 relays board ..................................................................................................... 69
6.2. Mychef 17 relay board..................................................................................................... 70
6.3. Mychef COOK, BAKE, BAKERSHOP, AND SNACK controls....................................... 71
6.4. Mychef iCOOK and iBAKE controls ............................................................................... 71
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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1. DISASSEMBLY FOR SERVICE ACCESS
Warning: Before proceeding to disassemble any component, 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)
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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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)
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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1.2. Removing the top panel
For side-opening 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.
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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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
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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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
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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1.3.3. BAKERSHOP 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
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TECHNICAL SUPPORT SERVICE MANUAL iCOOK | iBAKE | COOK | BAKE | SNACK | BAKERSHOP - DT.MS.CB.2202.2
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To remove the screws on the upper side, the upper side of the oven must first be removed,
as they are the same. See Figure 2.
Open the side panel at the rear and pull it backwards. At this point the side panel 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 cooking chamber. Unscrew and
proceed in the same way to remove the guides.
Removing the tray supports (screw models)
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