GE Oven Error Codes

Complete GE Oven Guide

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

F0
Function Key Stuck
  • Press each keypad button individually.
  • Clean control panel surface.
  • Disconnect power for 5 minutes.
  • Replace keypad if button remains stuck.
F1
Electronic Control Failure
  • Power cycle the oven.
  • Inspect control board connections.
  • Check for burn marks or damage.
  • Replace electronic control board if needed.
F2
Over-Temperature Condition
  • Turn off oven immediately.
  • Allow appliance to cool completely.
  • Check cooling fan operation.
  • Inspect temperature sensor accuracy.
F3
Temperature Sensor Open
  • Inspect oven sensor wiring.
  • Check sensor resistance values.
  • Ensure connector is secure.
  • Replace sensor if circuit is open.
F4
Temperature Sensor Shorted
  • Disconnect power before inspection.
  • Check for damaged sensor wires.
  • Test sensor for short circuit.
  • Replace defective temperature sensor.
F5
Control Board Hardware Issue
  • Disconnect appliance power.
  • Inspect PCB for visible damage.
  • Check internal wiring harnesses.
  • Replace faulty control board.
F6
Power Supply Instability
  • Check circuit breaker and outlet condition.
  • Avoid using extension cords.
  • Test oven on stable power source.
  • Contact electrician if voltage fluctuates.
F7
Keypad Failure
  • Inspect ribbon cable connection.
  • Clean keypad contacts carefully.
  • Restart appliance after reset.
  • Replace keypad assembly if unresponsive.
F8
Cooling Fan Failure
  • Inspect cooling fan blades for obstruction.
  • Check fan motor wiring.
  • Verify fan spins freely.
  • Replace cooling fan motor if faulty.
F9
Door Lock Malfunction
  • Inspect door latch assembly.
  • Check lock motor operation.
  • Ensure door alignment is correct.
  • Replace defective door lock mechanism.
F10
Relay Control Failure
  • Disconnect power immediately.
  • Inspect relay contacts on control board.
  • Check for burnt components.
  • Replace control board if relay is faulty.
F11
Heating Element Failure
  • Test heating element continuity.
  • Inspect wiring for burns or damage.
  • Check oven power output.
  • Replace heating element if no continuity.
F12
Door Switch Fault
  • Check door switch alignment.
  • Test switch continuity.
  • Inspect wiring harness connections.
  • Replace door switch if faulty.
F13
Cooling System Overheat
  • Allow oven to cool completely.
  • Check ventilation airflow.
  • Inspect cooling fan operation.
  • Clean blocked vents.
F14
Internal Memory Error
  • Power cycle oven for 10 minutes.
  • Check control board for moisture damage.
  • Inspect wiring connections.
  • Replace PCB if error persists.
F15
General System Error
  • Reset oven power supply.
  • Check all wiring connections.
  • Inspect control board condition.
  • Replace main PCB if needed.
F16
Sensor Calibration Error
  • Reset oven to factory settings if possible.
  • Inspect sensor mounting position.
  • Check thermistor readings.
  • Replace sensor if calibration fails.
F0
Function Key Stuck
  • Press each keypad button individually.
  • Clean control panel surface.
  • Disconnect power for 5 minutes.
  • Replace keypad if button remains stuck.
F1
Electronic Control Failure
  • Power cycle the microwave.
  • Inspect control board connections.
  • Check for burn marks or damage.
  • Replace electronic control board if needed.
F2
Over-Temperature Protection
  • Turn off microwave immediately.
  • Allow unit to cool completely.
  • Check cooling fan operation.
  • Inspect ventilation openings for blockage.
F3
Humidity Sensor Error
  • Inspect humidity sensor wiring.
  • Clean sensor area inside cavity.
  • Check connector for corrosion.
  • Replace humidity sensor if faulty.
F4
Sensor Circuit Open
  • Inspect sensor wiring for breaks.
  • Test continuity with multimeter.
  • Reconnect loose harness.
  • Replace sensor if circuit remains open.
F5
Door Switch Fault
  • Ensure door closes completely.
  • Inspect door latch alignment.
  • Check door switch continuity.
  • Replace door switch if defective.
F6
Relay Board Failure
  • Disconnect power before inspection.
  • Inspect control board relays.
  • Check for burned components.
  • Replace main control board if needed.
F7
Keypad Communication Error
  • Inspect ribbon cable connection.
  • Clean keypad contacts carefully.
  • Restart microwave after reset.
  • Replace keypad assembly if unresponsive.
F8
Cooling Fan Failure
  • Check fan blades for obstruction.
  • Inspect motor wiring connections.
  • Verify fan spins freely.
  • Replace fan motor if needed.
F9
Door Lock Error
  • Inspect door latch assembly.
  • Check lock mechanism alignment.
  • Ensure door closes properly.
  • Replace door lock switch if faulty.
F10
High Voltage Transformer Fault
  • Disconnect power immediately.
  • Inspect high-voltage transformer.
  • Check diode and capacitor condition.
  • Replace HV components if failed.
F11
Magnetron Failure
  • Check for heating function loss.
  • Inspect magnetron wiring.
  • Test high-voltage system.
  • Replace magnetron if defective.
F12
Power Supply Error
  • Check outlet and breaker.
  • Inspect internal fuse.
  • Test power input voltage.
  • Replace power board if needed.
F13
Internal Memory Fault
  • Power cycle microwave for 10 minutes.
  • Check control board for moisture.
  • Inspect firmware corruption.
  • Replace main PCB if issue persists.
F14
Turntable Motor Failure
  • Check turntable alignment.
  • Inspect motor connection.
  • Remove debris under tray.
  • Replace motor if not rotating.
F15
Inverter Board Fault
  • Disconnect power supply.
  • Inspect inverter PCB for damage.
  • Check wiring to magnetron.
  • Replace inverter board if faulty.

Frequently Asked Questions


Why is my GE oven not heating properly?
Check if the oven is set to the correct baking mode and temperature. Inspect the heating elements for damage, ensure the door is fully closed, and verify stable power supply.
Why is my GE oven not turning on?
Check the circuit breaker and power outlet. Ensure the oven is properly plugged in, verify the control panel is responsive, and inspect the internal fuse if needed.
Why is my GE oven temperature inaccurate?
Recalibrate the oven settings if available. Inspect the temperature sensor for faults, ensure proper door sealing, and avoid frequent door opening during cooking.
Why does my GE oven shut off during cooking?
Check for overheating due to blocked vents or faulty cooling fan. Ensure stable power supply and inspect thermostat or safety cutoff system.
Why is my GE oven door not closing properly?
Inspect door hinges and gasket for damage. Remove any obstructions, ensure proper alignment, and replace door seal if worn out.
Why is my GE oven making loud noises?
Check the convection fan for obstruction or damage. Inspect internal components for loose parts and ensure racks are properly positioned.
Why is my GE oven display not working?
Check power supply and reset the unit. Inspect control board connections and ribbon cables. If the display remains blank, the control panel may need replacement.
Why is my GE oven not responding to controls?
Restart the oven by turning off power for a few minutes. Check for control lock activation, inspect keypad for faults, and ensure stable electrical supply.
Why is my GE oven producing smoke?
Clean any grease or food residue inside the oven. Avoid excess oil use and ensure no packaging or foreign objects are inside during operation.
How do I reset my GE oven?
Turn off the oven and unplug or switch off the breaker for 5–10 minutes. Restore power, reset the clock, and test with a short heating cycle.
Important: If the error code continues after troubleshooting, disconnect power immediately and contact a certified GE technician.