Westinghouse Oven / Range Error Codes

Complete Westinghouse Oven / Range Guide

This guide explains all Westinghouse Oven / Range error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.

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.
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.
F10
Temperature Probe Fault
  • Check oven probe connection.
  • Test probe resistance with multimeter.
  • Inspect wiring harness for breaks or damage.
  • Replace temperature probe if readings are incorrect.
F4
Door Switch Issue
  • Ensure oven door closes properly.
  • Inspect door switch alignment and wiring.
  • Test switch continuity.
  • Replace door switch if faulty.
F11
Door Lock Failure
  • Check door latch mechanism for damage.
  • Inspect locking motor or solenoid.
  • Verify wiring connections.
  • Replace lock assembly if required.
F5
Heating Element Failure
  • Test heating element continuity.
  • Inspect wiring harness connections.
  • Check for visible burn damage.
  • Replace heating element if defective.
F12
Ignition Failure (Gas Models)
  • Check gas supply is open and stable.
  • Inspect igniter for cracks or wear.
  • Clean burner ports for blockage.
  • Replace igniter if no ignition detected.
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.
F13
Cooling Fan Speed Error
  • Check fan rotation for obstruction.
  • Inspect fan sensor or tachometer.
  • Verify wiring connections.
  • Replace fan motor if unstable speed detected.
F7
Keypad Error
  • Check keypad ribbon cable connection.
  • Inspect for moisture or dirt on panel.
  • Reset power to system.
  • Replace control panel if unresponsive.
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.
F14
Power Supply Instability
  • Check household voltage stability.
  • Inspect power cord and plug condition.
  • Avoid using extension cords.
  • Test outlet with another appliance.
F9
Communication Error
  • Reset appliance power.
  • Inspect wiring harness between modules.
  • Check connectors for corrosion or looseness.
  • Replace main PCB if issue persists.
F15
Control System Sync Error
  • Perform full power reset (10 minutes off).
  • Check communication cables between boards.
  • Inspect for moisture or damage on PCB.
  • Replace main control board if failure continues.
E5
Temperature Detection Fault
  • Allow unit to reach proper operating temperature.
  • Check oven environment stability.
  • Inspect sensor wiring and connection.
  • Restart after 10–15 minutes.

Frequently Asked Questions


Why does my Westinghouse oven / range show system messages or error codes?
System messages usually indicate temperature sensor faults, overheating protection, door switch issues, heating element failure, fan problems, ignition faults (gas models), or control board errors. Restart the appliance and inspect the related components if the message returns.
Why does my Westinghouse oven / range stop working suddenly?
Sudden stoppages may be caused by overheating protection, unstable power supply, faulty thermostat, door lock failure, or internal control board issues. Turn off the unit, allow it to cool, then restart after checking power and ventilation.
Why is my Westinghouse oven not heating properly?
Heating issues may be caused by a faulty heating element, temperature sensor failure, thermostat issues, or wiring problems. Check settings and inspect heating components.
Why is my Westinghouse oven overheating?
Overheating is commonly caused by a stuck relay, faulty thermostat, blocked ventilation, or defective temperature sensor. Allow the oven to cool and inspect airflow and sensors.
Why does my Westinghouse oven show temperature sensor errors?
Sensor errors may be caused by damaged thermistors, loose wiring, corrosion, or control board communication faults. Inspect wiring and test sensor resistance.
Why is my oven temperature inaccurate?
Inaccurate temperature readings may be caused by faulty probes, sensor calibration issues, or control board drift. Recalibration or sensor replacement may be required.
Why does my Westinghouse oven door not lock or close properly?
Door issues may be caused by misalignment, faulty door switch, latch failure, or mechanical wear. Inspect hinges and locking mechanism.
Why does my oven show a door error?
Door errors occur when the latch is not engaged, wiring is damaged, or the switch fails to detect closure. Close the door firmly and inspect the lock system.
Why is my Westinghouse oven not baking evenly?
Uneven baking may be caused by faulty heating elements, fan circulation issues, or temperature sensor problems. Check convection fan and heating distribution.
Why is my oven heating element not working?
A failed heating element may result from burnout, wiring failure, or control board relay issues. Test continuity and inspect for visible damage.
Why is my Westinghouse oven fan not working?
Fan issues may be caused by motor failure, wiring problems, or control board faults. Inspect fan blades and test motor operation.
Why is my oven making loud noises?
Noises may come from fan bearings, loose components, or thermal expansion of parts. Inspect internal components for wear or obstruction.
Why does my Westinghouse oven keep restarting or losing power?
This may be caused by unstable voltage, faulty wiring, control board issues, or overloaded circuits. Check power supply and avoid extension cords.
Why does my oven not turn on at all?
Check circuit breaker, power outlet, internal fuse, and control board. A faulty power supply is the most common cause.
How do I reset Westinghouse oven system messages?
Turn off the oven, unplug it or switch off power for 5–10 minutes, then restart. This can clear temporary system faults.
When should I service my Westinghouse oven / range?
Service is recommended if heating fails, error codes persist, door issues continue, overheating occurs repeatedly, or the oven does not respond after reset.
Important: Westinghouse oven/range system messages are designed to protect key components such as heating elements, temperature sensors, fans, door locks, ignition systems (gas models), and control boards. If problems continue after troubleshooting, disconnect power and contact a qualified appliance technician.