Error code reference

Wolf Oven Error Code 3A20

Auxiliary bank wiring fault (lights, MDL, convection fans, cooling fan not energized).

SourceWolf M Series PTS 22607000 (Original 826666): Prior to Serial 22607000: Service Manualp. 4-15

Diagnostic procedure

The full 3A20 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Measure voltage from P5-1 to ground, P5-9 to ground, and on double ovens J6-1 to ground. If no 120V, verify L1/L2 supply, repair wiring, or replace relay board.

SourceWolf M Series PTS 22607000 (Original 826666): Prior to Serial 22607000: Service Manualp. 4-15

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

6 manuals in the MyPros+ library document this code for Wolf oven.

Models covered by the manuals that document this code

More models are covered than are listed here.

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