Model reference

Wolf WALLOVEN2

Oven

1 document18 error codes5 service modes

Available documentation

Service Manual

Wall Oven Series Technical Service Manual83 pg
Covers this model

MyPros+ Max

Diagnose your Wolf WALLOVEN2.

Step-by-step diagnostics from the service manual
Test values, resistance specs, and wiring references
Verified part numbers when replacement is needed

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M+

M+ Max·Wolf Oven

CHECKSUM on my Wolf WALLOVEN2

M+

EEPROM checksum is incorrect, checked

From Service Manual 153290, p.22:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part WPW10804018

Electronic control board

Error codes (18)

CodeMeaning

CHECKSUMEEPROM checksum is incorrect, checked at power up and when OVEN OFF key is…COMM ERRCommunication lost with the oven controller (reported by Oven Controller).CONTROL COMCommunication lost with the oven controller (reported by the display)…COOL FANCooling fan failure, indicating a failure of the cooling fan or circuit.EEPROMCannot read or write to the EEPROM, indicating an Oven Controller failure.F1Door lock or unlock switches not sensed within 60 seconds while driving the…FUSES WRONGController configuration settings incorrect or code protection is disabled.KEY COMMFailure in communication between the Oven Controller and the Control Panel…KEYBOARD ERRORKey communication error reported by the display board.LOWER RELAYLower oven shift register feedback has indicated a failure.OVER TEMPOver temperature occurs when the oven reaches 630°F for an unlocked door or…PROBE SHORTEDMeat probe sensed as being shorted, occurs if the meat probe is not inserted…RELAY CALRelay phase calibration failed, indicating a relay timing problem with the…RELAY STUCKPower relay shorted RTD OPENOpen circuit detected on the RTD oven temperature sensor.RTD SHORTEDShorted circuit detected on the RTD oven temperature sensor.SENSOR CALAnalog to digital error during calibration phase, indicating an Oven Controller…SPI COM ERRSPI communication lost with main controller reported by the display head…

Service modes (5)

Diagnostic Mode["Oven must be OFF.","Press and hold the TEMPERATURE key and the 0 (ZERO) key simultaneously for 3…
Diagnostic Mode - Lower Oven (Double Oven)1
Diagnostic Mode - Single Oven1
Diagnostic Mode - Upper Oven (Double Oven)1
Field Option Mode1

Full entry steps, exit procedures, and test sequences are available in Max.

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