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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:

  1. Turn the home circuit breaker to the unit off for 30 seconds then back again.
  2. 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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