GE Air Conditioner Error Codes

Complete Troubleshooting & Repair Guide

Control Board Errors
E0
EEPROM Parameter Error
  • Disconnect power for 10 minutes.
  • Inspect control board connections.
  • Check for firmware corruption.
  • Replace PCB if error persists.
Temperature Sensor Errors
E1
Room Temperature Sensor Failure
  • Inspect room sensor wiring.
  • Clean dust around sensor area.
  • Test thermistor resistance values.
  • Replace faulty sensor if needed.
E2
Indoor Coil Sensor Error
  • Check evaporator coil sensor wiring.
  • Inspect for frost buildup.
  • Test sensor continuity.
  • Replace defective sensor if necessary.
Communication Errors
E3
Outdoor Unit Communication Failure
  • Inspect indoor-to-outdoor wiring.
  • Check communication cable connections.
  • Reset system power completely.
  • Replace communication PCB if needed.
Compressor Protection Errors
E4
Compressor Overload Protection
  • Turn OFF the air conditioner immediately.
  • Inspect refrigerant pressure levels.
  • Check compressor wiring connections.
  • Allow system to cool before restarting.
P2
Compressor Temperature Protection
  • Inspect condenser coil cleanliness.
  • Ensure outdoor airflow is unrestricted.
  • Check refrigerant system operation.
  • Restart unit after cooling down.
Fan System Errors
E5
Fan Motor Malfunction
  • Inspect fan blades for obstruction.
  • Check motor wiring connections.
  • Test fan motor capacitor.
  • Replace faulty fan motor if needed.
Power Protection Errors
P1
Voltage Protection Activated
  • Check incoming voltage stability.
  • Inspect circuit breaker and outlet.
  • Use voltage stabilizer if necessary.
  • Restart unit after voltage normalizes.
Important: If the error code continues after troubleshooting, disconnect power immediately and contact a certified GE technician.