This guide explains all GE Refrigerator error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.
FF
Fresh Food Temperature Sensor Error
- Check fresh food thermistor wiring.
- Inspect sensor for frost buildup.
- Test resistance values.
- Replace sensor if faulty.
T1
Freezer Thermistor Fault
- Inspect freezer sensor connection.
- Check wiring harness for damage.
- Test thermistor resistance.
- Replace sensor if needed.
T2
Fresh Food Thermistor Fault
- Check fresh food sensor wiring.
- Ensure proper placement inside compartment.
- Test resistance reading.
- Replace if readings are abnormal.
HRS
High Refrigerator Temperature
- Check door sealing and gasket.
- Inspect condenser coil cleanliness.
- Ensure compressor is running.
- Reduce internal load and recheck cooling.
Er
General System Error
- Power cycle the refrigerator for 10 minutes.
- Check control board connections.
- Inspect for moisture or electrical damage.
- Replace PCB if error persists.
88
Communication Error Between Boards
- Inspect wiring between main and display boards.
- Check for loose connectors.
- Restart system after power reset.
- Replace control board if needed.
CI
Ice Maker Fault
- Check water supply line.
- Inspect ice maker motor assembly.
- Ensure freezer temperature is adequate.
- Reset ice maker module.
dE
Defrost System Failure
- Check defrost heater continuity.
- Inspect defrost sensor wiring.
- Test defrost control board.
- Replace faulty components if needed.
PF
Power Failure Detected
- Check household power supply.
- Reset refrigerator after outage.
- Inspect outlet and breaker.
- Ensure stable voltage supply.
SY EF
Evaporator Fan Failure
- Check evaporator fan for ice blockage.
- Inspect fan motor wiring.
- Test fan motor operation.
- Replace fan motor if not running.
SY CF
Condenser Fan Failure
- Inspect condenser fan blades for obstruction.
- Check motor connection and wiring.
- Clean dust buildup around condenser area.
- Replace condenser fan motor if faulty.
SY CE
Communication Error
- Inspect wiring between main control boards.
- Check for loose connectors.
- Reset power for 10 minutes.
- Replace control board if communication fails.
SY EF1
Evaporator Sensor Fault
- Check evaporator sensor wiring.
- Inspect for frost buildup.
- Test thermistor resistance.
- Replace sensor if readings are incorrect.
SY DF
Defrost Heater Failure
- Check heater continuity with multimeter.
- Inspect wiring harness for burns.
- Test defrost cycle activation.
- Replace heater if no continuity detected.
SY HI
High Temperature Alarm
- Check door sealing and gasket condition.
- Ensure compressor is running properly.
- Inspect condenser coil cleanliness.
- Reduce internal load and monitor cooling.
SY LO
Low Temperature Warning
- Check temperature settings.
- Inspect thermostat sensor accuracy.
- Ensure airflow is not blocked.
- Reset control system if needed.
SY OP
Door Open Alarm
- Ensure refrigerator door is fully closed.
- Inspect door switch alignment.
- Check gasket for damage or gaps.
- Replace door switch if faulty.
SY IC
Ice Maker Communication Error
- Check wiring to ice maker module.
- Inspect connector pins for corrosion.
- Reset power to system.
- Replace ice maker control module if needed.
FF
Fresh Food Temperature Sensor Error
- Check fresh food thermistor wiring.
- Inspect sensor for frost or moisture buildup.
- Test resistance with a multimeter.
- Replace sensor if readings are out of range.
T1
Freezer Thermistor Fault
- Inspect freezer sensor connection.
- Check wiring harness for damage or corrosion.
- Test thermistor resistance values.
- Replace sensor if faulty.
T2
Fresh Food Thermistor Fault
- Check fresh food sensor placement.
- Inspect wiring connections.
- Test resistance readings.
- Replace sensor if unstable readings occur.
HRS
High Refrigerator Temperature
- Check door seals for air leaks.
- Inspect condenser coils for dust buildup.
- Ensure compressor is running properly.
- Reduce internal load and monitor cooling.
Er
General System Error
- Power cycle refrigerator for 10 minutes.
- Inspect main control board connections.
- Check for moisture or corrosion on PCB.
- Replace control board if error persists.
88
Communication Error Between Boards
- Inspect wiring between display and main board.
- Check connectors for looseness or corrosion.
- Restart system after full power reset.
- Replace control board if communication fails.
CI
Ice Maker Fault
- Check water supply line for blockage.
- Inspect ice maker motor assembly.
- Verify freezer temperature is below -18°C.
- Reset ice maker module.
dE
Defrost System Error
- Check defrost heater continuity.
- Inspect defrost sensor wiring.
- Test defrost control board operation.
- Replace faulty components if needed.
PF
Power Failure Detected
- Check household power supply and breaker.
- Reset refrigerator after outage.
- Inspect outlet for voltage stability.
- Ensure proper grounding.
SY EF
Evaporator Fan Failure
- Check evaporator fan for ice blockage.
- Inspect fan motor wiring connection.
- Test fan motor operation.
- Replace fan motor if not spinning.
SY CF
Condenser Fan Failure
- Inspect condenser fan for dust or obstruction.
- Check motor wiring and voltage supply.
- Clean condenser coil area.
- Replace condenser fan motor if faulty.
SY OP
Door Open Alarm
- Ensure door is fully closed.
- Inspect door switch alignment.
- Check gasket for air leaks.
- Replace door switch if defective.
SY HI
High Temperature Alarm
- Check compressor operation.
- Inspect condenser coil cleanliness.
- Ensure proper door sealing.
- Reduce internal load and monitor cooling.
SY HS
Humidity Sensor Error
- Inspect humidity sensor wiring.
- Check for moisture damage.
- Test sensor resistance.
- Replace sensor if readings are unstable.