Westinghouse Oven / Range Error Codes
Complete Troubleshooting & Repair Guide
Control System Errors
F1
Control Board Fault
- Reset power by unplugging unit for 5–10 minutes.
- Inspect control board for burn marks or damage.
- Check wiring connections for looseness or corrosion.
- Replace main control board if issue persists.
Temperature Errors
F2
Over-Temperature Condition
- Allow oven to cool completely before restart.
- Check temperature sensor (thermistor) condition.
- Inspect heating element for sticking ON issue.
- Replace control board if overheating continues.
F3
Sensor Error
- Check sensor wiring for disconnection or damage.
- Test sensor resistance with multimeter.
- Inspect connector terminals for corrosion.
- Replace temperature sensor if faulty.
Door System Errors
F4
Door Switch Issue
- Ensure oven door closes properly.
- Inspect door switch alignment and wiring.
- Test switch continuity.
- Replace door switch if faulty.
Heating System Errors
F5
Heating Element Failure
- Test heating element continuity.
- Inspect wiring harness connections.
- Check for visible burn damage.
- Replace heating element if defective.
Cooling & Fan Errors
F6
Fan Malfunction
- Check cooling fan for obstruction or dust buildup.
- Inspect fan motor wiring.
- Test fan operation directly.
- Replace fan motor if not working.
User Interface Errors
F7
Keypad Error
- Check keypad ribbon cable connection.
- Inspect for moisture or dirt on panel.
- Reset power to system.
- Replace control panel if unresponsive.
Relay & Power Errors
F8
Relay Failure
- Inspect relay on control board for burn marks.
- Check wiring connections.
- Test output voltage to components.
- Replace control board if relay is faulty.
Communication Errors
F9
Communication Error
- Reset appliance power.
- Inspect wiring harness between modules.
- Check connectors for corrosion or looseness.
- Replace main PCB if issue persists.
Important: If error codes persist after troubleshooting, disconnect power and contact a certified Westinghouse technician.