Sub-Zero Classic Series (BI) Control Faults | Bad Flash Write | Error 90 0 70
Topics:
- Error code 90 0 70
- Classic Series (BI) shows 90 0 70
- 90 0 70
- Control faults miscellaneous bad flash write
Cause:
- Flash failure
Troubleshooting:
- Turn the home circuit breaker to the unit off for 30 seconds then back again.
- Retest the unit operation.
Answer:
If these steps do not resolve the issue, no further customer troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.
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