Haier refrigerator error codes explained!
HAIER Refrigerator Error Codes
Remember to always unplug the refrigerator and exercise caution when attempting any repairs.
F1: Refrigerator defrost sensor error.
Causes:
- This error code occurs when systems detect a sensor being open or shorted.
- Misplaced Wires.
- Faulty refrigerator defrost sensor
- Faulty main PCB
Solutions:
- Check the harness connector.
- Check the resistance of the refrigerator defrost sensor; refer to the sensor temperature chart; if the sensor is open or shorted, replace the sensor.
| Electric part name | Temperature | Ohmic Value |
|---|---|---|
| Defrost sensor | 25°C/77°F | 1.960 KΩ |
- Check the main PCB and replace it if necessary.
F2: Ambient temperature sensor error.
Causes:
- This error code occurs when systems detect a sensor being open or shorted.
- Misplaced Wires.
- Faulty ambient temperature sensor
- Faulty main PCB
Solutions:
- Check the harness connector.
- Check the resistance of the ambient temperature sensor; refer to the sensor temperature chart if the sensor is open or shorted; replace the sensor.
| Electric part name | Temperature | Ohmic Value |
|---|---|---|
| Ambient sensor | 0°C/32°F | 6.350 KΩ |
- Check the main PCB and replace it if necessary.
F3: Refrigerator sensor error.
Causes:
- This error code occurs when systems detect a sensor being open or shorted.
- Misplaced Wires.
- Faulty refrigerator sensor
- Faulty main PCB
Solutions:
- Check the harness connector.
- Check the resistance of the refrigerator sensor; refer to the sensor temperature chart; if it is open or shorted, replace the sensor.
| Electric part name | Temperature | Ohmic Value |
|---|---|---|
| Refrigerator sensor | 0°C/32°F | 6.350 KΩ |
- Check the main PCB and replace it if necessary.
F4: Freezer sensor error.
Causes:
- This error code occurs when systems detect a sensor being open or shorted.
- Misplaced Wires.
- Faulty freezer sensor
- Faulty main PCB
Solutions:
- Check the harness connector.
- Check the resistance of the freezer sensor; refer to the sensor temperature chart; if it is open or shorted, replace the sensor.
| Electric part name | Temperature | Ohmic Value |
|---|---|---|
| Freezer sensor | 0°C/32°F | 6.48 KΩ |
- Check the main PCB and replace it if necessary.
F5: variable temperature sensor error.
Causes:
- This error code occurs when systems detect a sensor being open or shorted.
- Misplaced Wires.
- Faulty variable temperature sensor.
- Faulty main PCB
Solutions:
- Check the harness connector.
- Check the resistance of the variable temperature sensor; refer to the sensor temperature chart; if the sensor is open or shorted, replace the sensor.
| Electric part name | Temperature | Ohmic Value |
|---|---|---|
| variable T. sensor | 0°C/32°F | 6.48 KΩ |
- Check the main PCB and replace it if necessary.
F6: Freezer defrost sensor error.
Causes:
- This error code occurs when systems detect a sensor being open or shorted.
- Misplaced Wires.
- Faulty freezer defrost sensor
- Faulty main PCB
Solutions:
- Check the harness connector.
- Check the resistance of the freezer defrost sensor; refer to the sensor temperature chart; if it is open or shorted, replace the sensor.
| Electric part name | Temperature | Ohmic Value |
|---|---|---|
| Freeze D. sensor | 0°C/32°F | 6.48 KΩ |
- Check the main PCB and replace it if necessary.
Fr: Main sensor error.
Causes:
- This error code occurs when systems detect a sensor being open or shorted.
- Misplaced Wires.
- Faulty main sensor
- Faulty main PCB
Solutions:
- Check the harness connector.
- Check the resistance of the main sensor; refer to the sensor temperature chart; if the sensor is open or shorted, replace the sensor.
| Electric part name | Temperature | Ohmic Value |
|---|---|---|
| Main sensor | 0°C/32°F | 6.48 KΩ |
- Check the main PCB and replace it if necessary.
EH: Temperature sensor error.
Causes:
- This error code occurs when systems detect a sensor being open or shorted.
- Misplaced Wires.
- Faulty temperature sensor.
- Faulty main PCB
Solutions:
- Check the harness connector.
- Check the resistance of the temperature sensor; if it is open or shorted, replace the sensor.
- The voltage of the temperature sensor at the hinge connector should be between 4.5 and 0.9 volts; if not, replace the main PCB.
E0: Display board failure communication.
Causes:
- Damaged wire harness.
- Faulty display board.
- Faulty main PCB
Solutions:
- Check the harness connector.
- Check the display board.
- Check the main PCB
- If there is no problem, it is desirable to replace the main PCB and the display board at the same time.
E1: Freezer fan motor error.
Causes:
- Faulty freezer fan motor
- Faulty main PCB
Solutions:
- Check the voltage of the freezer fan motor at the main PCB connector; it should be within 7V~12Vdc if 0Vdc replaces the main PCB.
- Check the fan feedback voltage.
| Electric part name | Main voltage value | Feedback voltage value |
|---|---|---|
| Freezer fan motor | 11.3 Vdc | 2.4 Vdc |
- carefully inspect the evaporator fan motor behind the rear panel. Ensure it’s not frozen or blocked by ice buildup that could prevent it from spinning freely.
E2: Condenser fan motor error
Causes:
- Faulty condenser fan motor.
- Faulty main PCB
Solutions:
- Check the voltage of the condenser fan motor at the main PCB connector; it should be within 7V~12Vdc if 0Vdc replaces the main PCB.
- Check the fan feedback voltage.
| Electric part name | Main voltage value | Feedback voltage value |
|---|---|---|
| Condenser fan motor | 11.3 Vdc | 2.4 Vdc |
- Visually inspect the blades for any buildup of dust, hair, pet fur, or food debris.
- Gently rotate the fan blades.
- The blades should spin freely without any grinding, catching, or excessive resistance.
E6: Refrigerator fan motor error.
Causes:
- Faulty refrigerator fan motor
- Faulty main PCB
Solutions:
- Check the voltage of the refrigerator fan motor at the main PCB connector; it should be within 7V~12Vdc if 0Vdc replaces the main PCB.
- Check the fan feedback voltage.
| Electric part name | Main voltage value | Feedback voltage value |
|---|---|---|
| Refrigerator fan motor | 11.3 Vdc | 2.4 Vdc |
- Visually inspect the evaporator fan blades in the refrigerator compartment for any thick ice buildup or other obstructions.
E9: Variable temperature fan motor error
Causes:
- Faulty variable-temperature fan motor
- Faulty main PCB
Solutions:
- Check the voltage of the variable-temperature fan motor at the main PCB connector; it should be within 7V~12Vdc if 0Vdc replaces the main PCB.
- Check the fan feedback voltage.
| Electric part name | Main voltage value | Feedback voltage value |
|---|---|---|
| Variable temperature fan motor | 11.3 Vdc | 2.4 Vdc |
- Visually inspect the evaporator fan blades in the variable-temperature compartment for any thick ice buildup or other obstructions.
FD: Freezer Defrosting Error
Causes:
- Damaged wire harness
- Faulty thermo-fuse.
- A faulty freezer defrost heater circuit is open or shorted.
- Faulty main PCB
Solutions:
- Check for 220 volts of AC from the freezer defrost connector.
- If 220 VAC is not present, check the defrost circuit.
- Remove power from the main PCB and check the resistance from the connector to the short prong on the line cord. You are checking the heater and thermofuse.
- If resistance is higher than normal or the circuit is open, remove the freezer evaporator cover and check the heater and thermofuse.
- The defrost heater should read:
| Electric part name | Ohmic value |
|---|---|
| Heater for side-by-side refrigerator | ~270 Ω |
| Heater for multi-door refrigerator | ~403 Ω |
- The thermofuse should read closed.
| Electric part name | Ohmic value | abnormal value |
|---|---|---|
| thermo-fuse | 0.1 – 1 Ω | ∞ Ω / OL |
- Replace the defective component based on your readings.
- Enter forced defrost mode.
- Defrost is not functioning. Replace the main PCB.
- Defrosting is running; repair is complete.
RD: Refrigerator Defrosting Error.
Causes:
- Damaged wire harness
- Faulty thermo-fuse.
- A faulty refrigerator defrost heater circuit is open or shorted.
- Faulty main PCB
Solutions:
- Check for 220 volts of AC from the refrigerator defrost connector.
- If 220 VAC is not present, check the defrost circuit.
- Remove power from the main PCB and check the resistance from the connector to the short prong on the line cord. You are checking the heater and thermofuse.
- If resistance is higher than normal or the circuit is open, remove the refrigerator evaporator cover and check the heater and thermofuse.
- Defrost heater should read: ~403Ω.
- The thermofuse should read closed.
- Replace the defective component based on your readings.
- Enter forced defrost mode.
- Defrost is not functioning. Replace the main PCB.
- Defrosting is running; repair is complete.
HD: Refrigerator variable temperature defrosting error
Causes:
- Damaged wire harness
- Faulty thermo-fuse.
- Faulty refrigerator variable temperature defrost heater The circuit is open or shorted.
- Faulty main PCB
Solutions:
- Check for 220 volts of AC from the refrigerator variable temperature defrost connector.
- If 220 VAC is not present, check the defrost circuit.
- Remove power from the main PCB and check the resistance from the connector to the short prong on the line cord. You are checking the heater and thermofuse.
- If resistance is higher than normal or the circuit is open, remove the refrigerator variable-temperature evaporator cover and check the heater and thermofuse.
- Defrost heater should read: ~403Ω.
- The thermofuse should read closed.
- Replace the defective component based on your readings.
- Enter forced defrost mode.
- Defrost is not functioning. Replace the main PCB.
- Defrosting is running; repair is complete.
DF: Freezer door error.
Causes:
- Damaged wire harness
- faulty freezer door switch
Solutions:
- Check if the freezer door switch unit is loose or short.
- Measure the resistance on the freezer door switch terminals:
- When the freezer door is opened, the door switch contact should be closed; if not, replace the door switch.
- When the freezer door is closed, the door switch contact should be opened; if not, replace the door switch.
DR: Refrigerator door error.
Causes:
- Damaged wire harness
- faulty refrigerator door switch
Solutions:
- Check if the refrigerator door switch unit is loose or short.
- Measure the resistance on the refrigerator door switch terminals:
- When the refrigerator door is opened, the door switch contact should be closed; if not, replace the door switch.
- When the refrigerator door is closed, the door switch contact should be opened; if not, replace the door switch.
DH: Variable temperature door error
Causes:
- Damaged wire harness
- faulty variable-temperature door switch
Solutions:
- Check if the variable-temperature door unit is loose or short.
- Measure the resistance on the variable temperature door terminals:
- When the variable temperature door is opened, the
- Replace the door switch.
- When the variable temperature door is closed, the door switch contact should be opened; if not, replace the door switch.
- Measure the voltage of the variable temperature door switch at the main PCB connector:
- When the variable temperature door is opened, the voltage of the door switch should be 0 Vdc; if not, replace the door switch.
- When the variable temperature door is closed, the voltage of the door switch should be 5 volts; if not, replace the door switch.
Haier Temperature Sensor’s Location
I am a master Appliance Repair technician with over 35 years of experience in the field. I am passionate about helping people troubleshoot their appliances and fix common problems. My website, appliancemode.com, provides a wealth of information on troubleshooting common appliance issues and deciphering error codes. This website aims to empower people to tackle appliance repairs themselves and save money on service calls.
