Model reference

Wolf SO36U/S

Oven

7 documents18 error codes2 service modes

Available documentation

Service Manual

Technical Service Manual Wall Oven Series83 pg
Covers this model
Wolf L Series: After Serial 11169283 — Service Manual78 pg
Covers this model
Wolf Original: Prior to Serial 11169283 — Service Manual68 pg
Covers this model

Parts Manual

Wolf L Series -2: Serials 11169283 to 15999999 — Parts Manual28 pg
Covers this model
Wolf L Series -4: After Serial 17125554 — Parts Manual14 pg
Covers this model
Wolf Original: Prior to Serial 11169283 — Parts Manual14 pg
Covers this model
Wolf L Series -3: Serials 16000000 to 17125553 — Parts Manual14 pg
Covers this model

MyPros+ Max

Diagnose your Wolf SO36U/S.

Step-by-step diagnostics from the service manual
Test values, resistance specs, and wiring references
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M+ Max·Wolf Oven

CHECKSUM on my Wolf SO36U/S

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EEPROM checksum is incorrect, checked

From Service Manual 461128, p.20:

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 board, indicating a Head Assembly…CONTROL COMCommunication lost with the oven control board, 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 between the Oven Controller and the Control Panel (Head) Assembly…KEYBOARD ERRORKey communication error reported by 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 probe is not inserted all the way…RELAY CALRelay phase calibration failed, indicating a relay timing problem with the…RELAY STUCKPower relay shorted RTD OPENOpen circuit detected on RTD oven temperature sensor.RTD SHORTEDShorted circuit detected on RTD oven temperature sensor.SENSOR CALAnalog to digital error during calibration phase, indicating an Oven Controller…SPI COMMSPI communication lost with main controller reported by the display head…

Service modes (2)

Diagnostic ModeWith the oven OFF, press and hold the TEMPERATURE key and the 0 (ZERO) key simultaneously for 3…
Field Option ModeWith the oven OFF, press and hold the TEMPERATURE key for 5 seconds.

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

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