This guide explains all Frigidaire Oven error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.
F10
Temperature Runaway Detected
- Turn off oven immediately and allow it to cool completely.
- Check oven temperature sensor resistance with a multimeter.
- Inspect heating relay for stuck ON condition.
- Replace control board or sensor if overheating persists.
F11
Shorted Keypad
- Clean control panel surface to remove grease or moisture.
- Check for stuck or damaged buttons.
- Disconnect ribbon cable and inspect connectors.
- Replace keypad assembly if fault continues.
F13
Control Board Failure
- Reset power by switching breaker OFF for 5 minutes.
- Inspect control board for burn marks or damage.
- Check wiring harness connections.
- Replace main PCB if fault is confirmed.
F14
Oven Sensor Error
- Inspect temperature sensor wiring connections.
- Test sensor resistance using a multimeter.
- Check connector pins for corrosion or looseness.
- Replace temperature sensor if readings are abnormal.
F15
Door Lock Failure
- Check door latch alignment and condition.
- Inspect door lock motor wiring connections.
- Ensure oven door closes fully and securely.
- Replace door lock assembly if faulty.
F30
Communication Error
- Inspect wiring between control board and components.
- Check connectors for corrosion or looseness.
- Perform a full power reset of the oven.
- Replace control board if communication fails.
F31
Relay Stuck Error
- Inspect heating relay for stuck contacts.
- Check control board for burnt components.
- Test output voltage to heating elements.
- Replace control board if relay is defective.
F32
Temperature Overshoot Error
- Check temperature sensor calibration.
- Inspect heating element for continuous operation.
- Verify relay switching behavior.
- Replace sensor or control board if needed.
F33
Cooling Fan Failure
- Inspect cooling fan for obstruction or dust buildup.
- Check fan motor wiring connections.
- Test fan motor operation.
- Replace cooling fan if it does not run.
F34
High Temperature Sensor Fault
- Inspect high-limit sensor wiring.
- Test sensor resistance values.
- Check for overheating damage.
- Replace sensor if readings are incorrect.
F35
Touch Control Failure
- Clean touch panel surface thoroughly.
- Check for moisture or grease under keypad.
- Inspect ribbon cable connections.
- Replace touch control board if unresponsive.
F36
Power Supply Error
- Check household voltage supply.
- Inspect breaker and outlet condition.
- Verify power cord integrity.
- Contact electrician if voltage is unstable.
F37
Probe Sensor Fault
- Inspect meat probe connection.
- Check probe wiring for damage.
- Test probe resistance.
- Replace probe if readings are incorrect.
F38
EEPROM Memory Error
- Reset oven power for 5–10 minutes.
- Inspect control board for corrosion.
- Check wiring harness connections.
- Replace control board if memory failure persists.
F39
Configuration Error
- Verify oven configuration settings.
- Reset control system if possible.
- Check programming data integrity.
- Reprogram or replace control board if needed.
F40
Power Relay Failure
- Inspect power relay on control board.
- Check wiring to heating elements.
- Test relay switching operation.
- Replace control board if relay is faulty.
F10
Temperature Runaway Detected
- Turn off oven immediately and allow it to cool completely.
- Check oven temperature sensor resistance with a multimeter.
- Inspect heating relay for stuck ON condition.
- Replace control board or sensor if overheating persists.
F11
Shorted Keypad
- Clean control panel surface from moisture or grease.
- Check for stuck or damaged buttons.
- Inspect ribbon cable connection to control board.
- Replace keypad assembly if unresponsive.
F13
Control Board Failure
- Reset power by turning breaker OFF for 5 minutes.
- Inspect control board for burn marks or damage.
- Check wiring harness connections.
- Replace main PCB if fault is confirmed.
F14
Oven Sensor Error
- Inspect temperature sensor wiring connections.
- Test sensor resistance using a multimeter.
- Check connector pins for corrosion or looseness.
- Replace temperature sensor if readings are abnormal.
F15
Door Lock Failure
- Check door latch alignment and condition.
- Inspect door lock motor wiring connections.
- Ensure oven door closes fully and securely.
- Replace door lock assembly if faulty.
F30
Communication Error
- Inspect wiring between control board and components.
- Check connectors for corrosion or looseness.
- Perform a full power reset of the oven.
- Replace control board if communication fails.
F31
Relay Stuck Error
- Inspect heating relay for stuck contacts.
- Check control board for burnt components.
- Test output voltage to heating elements.
- Replace control board if relay is defective.
F32
Temperature Overshoot Error
- Check temperature sensor calibration.
- Inspect heating element for continuous operation.
- Verify relay switching behavior.
- Replace sensor or control board if needed.
F33
Cooling Fan Failure
- Inspect cooling fan for obstruction or dust buildup.
- Check fan motor wiring connections.
- Test fan motor operation directly.
- Replace cooling fan if it does not run.
F34
High Temperature Sensor Fault
- Inspect high-limit sensor wiring.
- Test sensor resistance values.
- Check for overheating damage.
- Replace sensor if readings are incorrect.
F35
Touch Control Failure
- Clean touch panel surface thoroughly.
- Check for moisture or grease under keypad.
- Inspect ribbon cable connections.
- Replace touch control board if unresponsive.
F36
Power Supply Error
- Check household voltage supply stability.
- Inspect breaker and outlet condition.
- Verify power cord integrity.
- Contact electrician if voltage is unstable.
F37
Probe Sensor Fault
- Inspect meat probe connection.
- Check probe wiring for damage.
- Test probe resistance.
- Replace probe if readings are incorrect.
F38
EEPROM Memory Error
- Reset oven power for 5–10 minutes.
- Inspect control board for corrosion.
- Check wiring harness connections.
- Replace control board if memory failure persists.
F39
Configuration Error
- Verify oven configuration settings.
- Reset control system if possible.
- Check programming data integrity.
- Reprogram or replace control board if needed.
F40
Power Relay Failure
- Inspect power relay on control board.
- Check wiring to heating elements.
- Test relay switching operation.
- Replace control board if relay is faulty.
F90
Door Lock Motor Issue
- Check door lock motor operation.
- Inspect wiring harness for damage.
- Reset oven power supply.
- Replace door lock assembly if needed.
F90
Door Lock Motor Issue
- Check door lock motor operation.
- Inspect wiring harness for damage.
- Reset oven power supply.
- Replace door lock assembly if needed.