A reference guide to diagnose cooling faults, clicking compressors, and error codes for major refrigerator brands including Haier, Bosch, and Godrej.
Haier Refrigerator Troubleshooting
Common issues include the evaporator fan motor failing or defrost sensor issues.
| Error Code | Meaning / Fault | Troubleshooting Fix |
|---|---|---|
| F1 | Refrigerator Sensor Fault | Check wire harness and replace refrigerator thermistor. |
| F2 | Freezer Sensor Fault | Check connections and replace freezer sensor. |
| E1 | Freezer Fan Motor Fault | Check fan blades for frost obstruction. Replace fan motor if necessary. |
| E2 | Defrost Heater Failure | Check bimetal thermostat and defrost heater resistance (typically 200-400 ohms). |
Bosch Refrigerator Troubleshooting
| Error Code | Meaning / Fault | Troubleshooting Fix |
|---|---|---|
| E01 | Fresh food room temp sensor fault | Replace fresh food compartment temperature sensor. |
| E02 | Freezer room temp sensor fault | Replace freezer temperature sensor. |
| E10 | Control module/display board error | Reset power. Check wires to door hinge. Replace main board. |
| E20 | Communication fault | Inspect wiring harness between main board and user interface. |
Godrej Refrigerator Troubleshooting
Clicking compressor issue (Godrej / LG / Voltas):
If you hear a distinct clicking sound from the bottom rear every few minutes but the compressor doesn't run, check the **Start Relay (PTC)** and **Overload Protector (OLP)**. A failed start capacitor will also prevent the motor from starting.