ERR-CMP
Midea ERR-CMP Error Code – Compressor Top Temp Protection
Air Conditioner · CRITICAL Severity
What This Error Means
Compressor top temperature protection activated
Diagnostic & Repair Steps
1
Power Off - Allow Cooling
Turn off and allow 30 min cooling. ⚠️ Do not restart while hot
Turn off and allow 30 min cooling. ⚠️ Do not restart while hot
RESET
~30 min
2
Check Condenser Coil
Inspect for blockage.
Inspect for blockage.
INSPECT
~10 min
3
Clean Condenser Coil
Clean fins. ⚠️ No high pressure water
Clean fins. ⚠️ No high pressure water
CLEAN
~20 min
4
Check Refrigerant Charge
Low charge causes overheating. ⚠️ Certified technician only
Low charge causes overheating. ⚠️ Certified technician only
TEST
~20 min
5
Check Discharge Sensor
Test compressor discharge sensor.
Test compressor discharge sensor.
TEST
~15 min
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