Sub-Zero Classic Series (BI) Control Faults | Flash Memory Bad | Error 90 0 72
- Error code 90 0 72
- Classic series (BI) shows 90 0 72
- 90 0 72
- Control fault miscellaneous flash memory bad
- Flash failure
- Turn the home circuit breaker to the unit off for 30 seconds then back on again.
- Retest the unit operation.
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