Sub-Zero Classic Series (BI) Control Faults | Dispenser | No Communication | Error 90 9 80
- Error code 90 9 80
- Classic Series (BI) displays 90 9 80
- 90 9 80
- Control fault dispenser no communication
- No communications with door dispenser
- Turn the home circuit breaker to the unit off for 30 seconds then back on again.
- Retest the unit operation.
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