ERR.184.02
Compressor Dome Temperature Protection — Low 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
- High indoor ambient in heat mode
Next checks to confirm
- Same diagnostic path as 184.01 but triggered at low speed
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.
Urgent
Fix now