36 / E36
Control encountered an abnormal condition during startup procedure
This code typically points to
- Blocked/restricted outdoor unit coil and/or lines
- Compressor wire lost phase
- Inconsistent compressor load
- Faulty control board
Next checks to confirm
- Check/clean outdoor unit coil and/or lines
- Check wire between control board and compressor
- Replace control board if necessary
Escalation
Startup fault / system start inhibited
Reset behavior
Clears after startup condition normalizes and cause is corrected.
Urgent
Fix now