Across the Wolf M Series wall oven range, from the SO30TM and DO30PM to the SO3050 models, code 0D20 says the lower left convection fan triac is shorted, the alternate number for 0A32. The electronic switch…
Across the Wolf M Series wall oven range, from the SO30TM and DO30PM to the SO3050 models, code 0D20 says the lower left convection fan triac is shorted, the alternate number for 0A32. The electronic switch that should start and stop the fan is stuck closed. You will see 0D20 on the display, and the lower left fan can run on its own, which affects air movement in the lower oven.
1. End the cycle and wait for the heat to drop before doing anything else. 2. Let the control restart by cycling the breaker off and on. 3. Check whether 0D20 shows up on the next short run. 4. Should 0D20 appear again, stop using the oven and book a visit.
It reports that the lower left convection fan triac has shorted. Some ovens call this same condition 0A32, so either number can show up in your notes.
It may still heat, but the fan can run without control. We suggest limiting use until it is checked, mostly to protect the motor and keep cooling normal.
A breaker reset is the only safe try. If the code returns, it is a switching failure on the board, and we test and quote before touching anything.
A technician diagnoses it on site and gives you the price in writing before any work starts.