Frigidaire Refrigerator Error Codes

Complete Frigidaire Refrigerator Guide

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

SY CE
Communication Error Between Control Boards
  • Power cycle the refrigerator for 5–10 minutes.
  • Inspect wiring between main control board and UI board.
  • Check for loose or corroded connectors.
  • Replace main PCB if communication fails.
SY CE
Communication Error Between Control Boards
  • Power cycle the refrigerator for 5–10 minutes.
  • Inspect wiring between main control board and UI board.
  • Check for loose or corroded connectors.
  • Replace main PCB if communication fails.
SY CE1
Main Control Communication Failure
  • Reset appliance power supply.
  • Inspect main control board connections.
  • Check harness continuity between modules.
  • Replace control board if error persists.
SY CF
Condenser Fan Failure
  • Check condenser fan for dust or obstruction.
  • Inspect fan motor wiring and voltage supply.
  • Ensure proper airflow around rear unit.
  • Replace condenser fan motor if not running.
SY EF
Evaporator Fan Failure
  • Check evaporator fan blade for ice blockage.
  • Inspect fan motor and wiring connections.
  • Defrost unit if ice buildup is present.
  • Replace evaporator fan motor if faulty.
5Y EF
Evaporator Fan Circuit Error
  • Inspect evaporator fan wiring harness.
  • Check control board output voltage.
  • Look for moisture or corrosion near fan circuit.
  • Replace fan motor or control board if needed.
SY FF
Freezer Sensor Fault
  • Test freezer thermistor resistance with multimeter.
  • Check sensor wiring for damage or looseness.
  • Ensure correct placement inside freezer compartment.
  • Replace sensor if readings are abnormal.
SH
Shorted Humidity Sensor
  • Inspect humidity sensor wiring connections.
  • Check for moisture or water intrusion.
  • Test sensor resistance using a multimeter.
  • Replace humidity sensor if shorted.
SY CF1
Compressor Fan Issue
  • Check compressor fan for obstruction or debris.
  • Inspect fan motor wiring and capacitor (if applicable).
  • Ensure proper ventilation around compressor area.
  • Replace compressor fan motor if faulty.
OP
Door Open Alert
  • Ensure refrigerator door is fully closed.
  • Inspect door gasket for dirt or damage.
  • Remove any obstruction preventing sealing.
  • Test door switch for proper operation.
SY DF
Defrost System Failure
  • Check defrost heater continuity.
  • Inspect defrost thermostat and wiring.
  • Verify control board defrost cycle operation.
  • Replace heater or control board if needed.
SY dH
Defrost Heater Fault
  • Test defrost heater resistance.
  • Inspect wiring harness for damage.
  • Check for ice buildup in evaporator area.
  • Replace heater if no continuity is found.
SY tS
Temperature Sensor Error
  • Check thermistor resistance values.
  • Inspect wiring for damage or looseness.
  • Ensure sensor is properly positioned.
  • Replace sensor if readings are unstable.
SY LO
Low Temperature Warning
  • Check temperature settings.
  • Inspect thermostat and sensor operation.
  • Ensure proper door sealing.
  • Allow system to stabilize.
SY HI
High Temperature Warning
  • Check for door left open or poor sealing.
  • Clean condenser coils.
  • Verify evaporator fan operation.
  • Allow unit to cool down.
SY PF
Power Failure Detected
  • Check household power supply.
  • Reset refrigerator by unplugging for 5 minutes.
  • Verify outlet stability.
  • Restore settings after reboot.
SY ER
General System Error
  • Perform full power reset.
  • Check all wiring connections.
  • Inspect control board for damage.
  • Replace main PCB if error persists.
SY dF1
Defrost Sensor Failure
  • Test defrost sensor resistance.
  • Check wiring for breaks or corrosion.
  • Inspect evaporator area for ice buildup.
  • Replace sensor if readings are incorrect.
SY CO
Compressor Overload Protection
  • Allow compressor to cool down.
  • Check condenser coils for dirt buildup.
  • Verify voltage supply stability.
  • Replace compressor overload relay if needed.
SY FL
Airflow Restriction Fault
  • Remove food blocking air vents.
  • Check evaporator fan operation.
  • Clean internal airflow channels.
  • Ensure proper spacing inside compartments.
SY LS
Light Switch Failure
  • Check door light switch operation.
  • Inspect wiring for damage.
  • Test switch continuity.
  • Replace switch if faulty.
SY UC
Unexpected Control Reset
  • Check power stability.
  • Inspect control board for faults.
  • Look for loose wiring connections.
  • Replace PCB if resets continue.
SY CE1
Main Control Communication Failure
  • Reset appliance power supply.
  • Inspect main control board connections.
  • Check harness continuity between modules.
  • Replace control board if error persists.
SY CF
Condenser Fan Failure
  • Check condenser fan for dust or obstruction.
  • Inspect fan motor wiring and voltage supply.
  • Ensure proper airflow around rear unit.
  • Replace condenser fan motor if not running.
SY EF
Evaporator Fan Failure
  • Check evaporator fan blade for ice blockage.
  • Inspect fan motor and wiring connections.
  • Defrost unit if ice buildup is present.
  • Replace evaporator fan motor if faulty.
5Y EF
Evaporator Fan Circuit Error
  • Inspect evaporator fan wiring harness.
  • Check control board output voltage.
  • Look for moisture or corrosion near fan circuit.
  • Replace fan motor or control board if needed.
SY FF
Freezer Sensor Fault
  • Test freezer thermistor resistance with multimeter.
  • Check sensor wiring for damage or looseness.
  • Ensure correct placement inside freezer compartment.
  • Replace sensor if readings are abnormal.
SH
Shorted Humidity Sensor
  • Inspect humidity sensor wiring connections.
  • Check for moisture or water intrusion.
  • Test sensor resistance using a multimeter.
  • Replace humidity sensor if shorted.
SY CF1
Compressor Fan Issue
  • Check compressor fan for obstruction or debris.
  • Inspect fan motor wiring and capacitor (if applicable).
  • Ensure proper ventilation around compressor area.
  • Replace compressor fan motor if faulty.
OP
Door Open Alert
  • Ensure refrigerator door is fully closed.
  • Inspect door gasket for dirt, damage, or deformation.
  • Remove any obstruction preventing proper sealing.
  • Test door switch for correct operation.
SY DF
Defrost System Failure
  • Check defrost heater continuity.
  • Inspect defrost thermostat and wiring.
  • Verify control board defrost cycle activation.
  • Replace heater or control board if needed.
SY dH
Defrost Heater Fault
  • Test defrost heater resistance.
  • Inspect wiring harness for breaks or corrosion.
  • Check for ice buildup in evaporator area.
  • Replace heater if no continuity is found.
SY tS
Temperature Sensor Error
  • Check thermistor resistance values.
  • Inspect wiring for damage or loose connections.
  • Ensure sensor is properly positioned in compartment.
  • Replace sensor if readings are unstable.
SY LO
Low Temperature Warning
  • Check temperature settings on control panel.
  • Inspect thermostat and sensor operation.
  • Ensure door seals are tight and intact.
  • Allow system to stabilize after adjustments.
SY HI
High Temperature Warning
  • Check for door left open or poor sealing.
  • Inspect condenser coils for dust buildup.
  • Verify evaporator fan is operating.
  • Allow unit to cool after resolving issue.
SY PF
Power Failure Detected
  • Check household power supply and breaker.
  • Reset refrigerator by unplugging for 5 minutes.
  • Verify outlet stability and voltage.
  • Restore settings after reboot.
SY ER
General System Error
  • Perform full power reset of the refrigerator.
  • Check all wiring harness connections.
  • Inspect control board for damage or corrosion.
  • Replace main PCB if error persists.

Frequently Asked Questions


Why is my Frigidaire refrigerator not cooling?
Check temperature settings in both compartments, ensure air vents are not blocked, clean condenser coils, and verify that door seals are closing properly.
Why is my Frigidaire refrigerator not turning on?
Check power outlet and circuit breaker, ensure plug is secure, inspect power cord for damage, and try resetting by unplugging for 5–10 minutes.
Why is my Frigidaire refrigerator making loud noise?
Ensure the unit is level, check evaporator fan for ice or obstruction, verify internal items are not vibrating, and note that compressor noise can be normal.
Why is water leaking inside my Frigidaire refrigerator?
Check for clogged defrost drain, ensure food is not blocking drainage paths, inspect water line connections, and remove ice buildup around the drain.
Why is my Frigidaire refrigerator freezing food?
Lower temperature settings if too cold, keep food away from air vents, check temperature sensor condition, and ensure proper airflow inside compartments.
Why is my Frigidaire fridge not making ice?
Ensure ice maker is enabled, check water supply line for blockage, confirm freezer temperature is adequate, and reset ice maker module if needed.
Why is my Frigidaire refrigerator running constantly?
Check door seals for air leaks, ensure doors are fully closed, clean condenser coils, and avoid placing hot food inside.
Why does my Frigidaire refrigerator smell bad?
Remove spoiled food, clean shelves and drawers, check drip pan for buildup, and use baking soda or odor absorbers.
Why is frost building up in my freezer?
Check door seals for gaps, avoid leaving door open too long, ensure defrost system is working, and do not block airflow.
How do I reset my Frigidaire refrigerator?
Unplug for 5–10 minutes, reconnect power, reset temperature settings, and allow several hours for cooling stabilization.
Why is my Frigidaire fridge not dispensing water?
Check water supply line, replace clogged filter, ensure dispenser lock is off, and inspect for frozen or blocked water lines.
Important: If errors persist after troubleshooting, disconnect power and contact a certified Frigidaire technician.