Sub-Zero Classic Series (BI) Control Faults | Condenser | Triac Short | Error 90 3 56
- Error code 90 3 56
- Classic Series (BI) shows 90 3 56
- 90 3 56
- Condenser triac short
- Condenser fan triac shorted
- Turn the home circuit breaker to the unit off for 30 seconds then back on again.
- Retest the unit operation.
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