Sub-Zero Classic Series (BI) Control Faults | Lighting | FET Power Output Fault | Error 90 L 38
- Error code 90 L 38
- Classic Series (BI) displays 90 L 38
- 90 L 38
- Control fault lighting FET power output fault
- Turn the home circuit breakers to the unit off for 30 seconds then back on again.
- Retest the unit operation.
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