ERR.184.01
Compressor Dome Temperature Protection — High Speed
This code typically points to
- Low charge
- Restricted metering device / high superheat
- Indoor expansion valve in cooling mode
- Outdoor expansion valve in heating mode
- Restricted condenser airflow in cooling
- Dome temperature sensor calibration issue
- High indoor ambient in heat mode
Next checks to confirm
- Check refrigerant charge
- Check metering device and superheat
- Verify condenser airflow
- Verify dome sensor calibration
- Increase indoor airflow
Escalation
15-minute soft lockout; 5 occurrences within approximately 5 hours result in Universal Hard Lockout (184.08)
Reset behavior
Soft lockout clears after timer; repeated occurrences escalate to 184.08 hard lockout.
Urgent
Fix now