Sub-Zero Classic Series (BI) Defrost Heater Faults | Freezer | Open | Error 20 2 00
- Error code 20 2 00
- Classic series (BI) shows 20 2 00
- 20 2 00
- Freezer defrost heater open
- Defrost bi-metal stuck open
- Turn the home circuit breaker to the unit off for 30 seconds then back on again.
- Retest the unit operation.
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