38 / E38
Control has detected a voltage-related issue with the compressor
This code typically points to
- High or low voltage from supply
- Compressor wire lost phase
- Faulty control board
Next checks to confirm
- Correct low/high line-voltage condition
- Check wire between control board and compressor
- Replace control board if necessary
Escalation
Compressor protection fault
Reset behavior
Clears after voltage/compressor wiring issue is corrected.
Urgent
Fix now