Click on the brand name below to get assistance with your fault and error codes:
Thermador
Bosch
| Thermador – CT and CMT Ovens with Dreef Control Error Codes |
 |
| Error Code: |
E1 |
| Cause: |
Control Board |
| Example: |
Disables clean in both ovens; allow cooking |
| Corrective Action: |
Replace control board |
| Error Code: |
E2 |
| Cause: |
Sensor or Control Board |
| Example: |
Oven temp over 625F or clean temp over 890F |
| Corrective Action: |
Check sensor |
| Error Code: |
E3 |
| Cause: |
Open Sensor |
| Example: |
Disables cooking in affected oven |
| Corrective Action: |
Check sensor |
| Error Code: |
E4 |
| Cause: |
Shorted sensor |
| Example: |
Disables cooking in affected oven |
| Corrective Action: |
Check sensor |
| Error Code: |
E5 |
| Cause: |
Control Board |
| Example: |
Disables clean in both ovens; cooking useable |
| Corrective Action: |
Replace control board |
| Error Code: |
E6 |
| Cause: |
Selector Switch |
| Example: |
Disables individual cook modes in affected oven |
| Corrective Action: |
Check all functions; replace selector switch if one-piece Dreefs; replace control board |
| Error Code: |
E7 |
| Cause: |
Control Board |
| Example: |
Remains in display; oven unusable |
| Corrective Action: |
Replace control board |
| Error Code: |
E8 |
| Cause: |
Control Board |
| Example: |
Remains in display; oven unusable |
| Corrective Action: |
Replace control board |
| Error Code: |
E9 |
| Cause: |
Latch |
| Example: |
Latch motor may run but switches do not cycle |
| Corrective Action: |
Replace latch in affected oven |
| Error Code: |
E10 |
| Cause: |
Control Board |
| Example: |
Checksum error |
| Corrective Action: |
Replace Dreefs board |
| Error Code: |
E11 |
| Cause: |
Latch Problem |
| Example: |
Will not clean |
| Corrective Action: |
Replace latch in affected oven |
| Error Code: |
E12 |
| Cause: |
Latch Problem |
| Example: |
Will not clean |
| Corrective Action: |
Replace latch in affected oven |
| Error Code: |
E13 |
| Cause: |
Latch Problem |
| Example: |
Latch does not run |
| Corrective Action: |
Check for voltage to latch motor |
| Error Code: |
E14 |
| Cause: |
Latch Problem |
| Example: |
Loose latch switch |
| Corrective Action: |
Check latch for proper operation |
| Error Code: |
E15 |
| Cause: |
Control Board |
| Example: |
Remains in display; oven unusable |
| Corrective Action: |
Replace Dreefs board |
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| BOSCH – Error Cause Corrective Action |
|
| Error Code: |
F32 |
| Cause: |
Lower oven temperature sensor failure; An open or short circuit in the lower oven sensor wiring |
| Corrective Action: |
| 1. |
Check all connections, especially P24 on the power
board. |
| 2. |
Unplug the sensor connector and check sensor resistance (approximately 1080 ohms at room temperature with connector remove). Remember to reconnect it. |
| 3. |
Check that neither sensor wire is open or pinched to the appliance chassis. |
| 4. |
Check that the solder joints in header P24 on the power board are not broken. |
| 5. |
If sensor is OK, replace power board. |
|
| Error Code: |
F41 |
| Cause: |
Upper (or single) oven motorized latch will not lock; defective or jammed upper (or single) oven door or latch switches; Defective latch motor or its wiring. |
| Corrective Action: |
| 1. |
Check P24 connector on the power board. |
| 2. |
Ensure door latch switches are operating properly. |
| 3. |
Check that neither latch switch nor common wires are
pinched to the appliance chassis. |
| 4. |
Check that the solder joints in header P24 on the power board are not broken. |
| 5. |
Check P10 connector and check if latch motor wire is
pinched to the appliance chassis. |
|
| Error Code: |
F42 |
| Cause: |
Lower motorized latch will not lock; Defective or jammed lower oven door or latch switches; Defective latch motor or its wiring. |
| Corrective Action: |
| 1. |
Check P24 connector on the power board. |
| 2. |
Ensure door latch switches are operating properly. |
| 3. |
Check that neither latch switch nor common wires are
pinched to the appliance chassis. |
| 4. |
Check P10 connector and check if latch motor wire pinched to the appliance chassis. |
| 5. |
If F42 persists, replace power board.
|
|
| Error Code: |
F43 |
| Cause: |
Upper (or single) oven motorized latch will not unlock; Defective or jammed upper oven door or latch switches; Defective latch motor or its wiring. |
| Corrective Action: |
| 1. |
Check P24 connector on the power board. |
| 2. |
Ensure door latch switches are operating properly. |
| 3. |
Check that neither latch switch nor common wires are
pinched to the appliance chassis. |
| 4. |
Check P10 connector and check if latch motor wire is pinched to the appliance chassis. |
| 5. |
If F43 persists, replace power board
|
|
| Error Code: |
F44 |
| Cause: |
Lower motorized latch will not unlock; Defective or jammed lower oven door or latch switches; Defective latch motor or its wiring. |
| Corrective Action: |
| 1. |
Check P24 connector on the power board. |
| 2. |
Ensure door latch switches are operating properly. |
| 3. |
Check that neither latch switch nor common wires are pinched to the appliance chassis. |
| 4. |
Check P10 connector and check if latch motor wire is pinched to the appliance chassis. |
|
| Error Code: |
F45 |
| Cause: |
Upper (or single) oven latch both locked and unlocked; Defective or jammed upper oven door or latch switches. |
| Corrective Action: |
| 1. |
Check P4 connector on the power board. |
| 2. |
Ensure door latch switches are operating properly. |
| 3. |
Check that neither latch switch nor common wires are pinched to the appliance chassis. |
| 4. |
If F45 persists, replace power board. |
|
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Updated: 5/27/2016 12:36:00 PM - bmcabee@apdepot.com