Frigidaire Professional
Frigidaire Professional Refrigerators Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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CF
Display shows CF; refrigerator may not respond correctly to commands or may not cool.
Communication Failure Between Boards
CL
Display shows CL; controls may be locked and buttons unresponsive.
Control Lock (Child Lock) Activated
dF
Refrigerator displays dF; unit may run defrost too often or not enough, causing frost buildup or temperature swings.
Defrost System Fault
dO
Display shows dO or door icon; alarm beeps indicating door open even when doors appear closed.
Door Switch or Door Ajar Detection Fault
EF
Display shows EF; refrigerator may not defrost correctly or may have fan issues depending on model.
Evaporator Fan or Defrost Feedback Error
FF OP
Fresh food temperature display shows OP or dashes; refrigerator section may be too warm or too cold.
Fresh Food Thermistor Open Circuit
FF SH
Fresh food temperature display shows SH; refrigerator section may be too cold or control unstable.
Fresh Food Thermistor Short Circuit
FZ OP
Freezer temperature display shows OP or dashes; freezer temperature not controlled correctly.
Freezer Thermistor Open Circuit
FZ SH
Freezer temperature display shows SH; freezer may run too cold or control may be erratic.
Freezer Thermistor Short Circuit
H1
Display shows H1 for freezer or refrigerator; compartment is too warm.
High Temperature Alarm
H2
Display shows H2; ice maker or ice compartment temperature is too high, ice production is poor or stopped.
Ice Compartment High Temperature
HI
Display shows HI for temperature; compartment is above the set point and alarm may sound.
High Temperature Alarm (Extended)
ICE OP
Ice compartment or ice maker temperature display shows OP; ice production is inconsistent.
Ice Compartment Thermistor Open Circuit
ICE SH
Ice compartment or ice maker temperature display shows SH; ice maker may overcool or malfunction.
Ice Compartment Thermistor Short Circuit
LO
Display shows LO for temperature; compartment may be too cold or sensor reading is out of range.
Low Temperature or Sensor Out-of-Range
OP
Refrigerator displays OP; temperature readings may be inaccurate or dashes appear on the display.
Open Temperature Sensor Circuit
PF
Display shows PF; refrigerator recovered from a power failure.
Power Failure Notification
Sb
Display shows Sb; refrigerator appears to be in Sabbath mode and some functions are disabled.
Sabbath Mode Activated
SH
Refrigerator displays SH; temperature reading may be extremely low or dashes; cooling may be erratic.
Shorted Temperature Sensor Circuit
SY CE
Refrigerator displays SY CE and may not cool properly; controls may be unresponsive or intermittent.
User Interface to Main Control Communication Error
SY CF
Refrigerator displays SY CF; unit may not cool or may behave erratically.
Main Control to User Interface Communication Failure
SY EF
Refrigerator beeps and displays SY EF; fresh food section warming while freezer may still be cold.
Evaporator Fan Motor Failure
Symptom
Clicking or popping noises from inside cabinet during operation.
Normal Thermal Expansion and Defrost Noises
Symptom
Dispenser not dispensing ice; auger motor does not run when paddle is pressed.
Ice Dispenser Auger Failure
Symptom
Display and lights are on but refrigerator does not run or cool; controls may be unresponsive.
Main Control Board Failure
Symptom
Freezer cold but refrigerator section warm; frost pattern only on part of the evaporator coil.
Partial Sealed System Restriction or Low Refrigerant Charge
Symptom
Ice maker not making ice; water dispenser works normally.
Ice Maker Fill or Harvest Failure
Symptom
Interior lights stay on when doors are closed, causing heat and possible melting near light housing.
Door Switch or Light Control Failure
Symptom
Loud grinding or squealing noise from freezer area, especially when doors are closed.
Evaporator Fan Motor or Fan Blade Obstruction
Symptom
Refrigerator and freezer both warm; lights work but compressor is not running.
Compressor Start Failure
Symptom
Refrigerator door alarm sounds frequently even when doors are closed; interior lights may flicker.
Door Switch or Hinge Wiring Issue
Symptom
Refrigerator has strong musty or sour odor that does not go away after cleaning.
Persistent Odor from Drain, Liner, or Insulation
Symptom
Refrigerator making loud buzzing or rattling noise from rear.
Condenser Fan or Compressor Vibration Noise
Symptom
Refrigerator not cooling in fresh food section but freezer is cold; no error code displayed.
Evaporator Frost Blockage / Airflow Restriction
Symptom
Refrigerator not dispensing water; ice may still be produced.
Water Dispensing Failure
Symptom
Refrigerator runs constantly and is too cold; food freezing in fresh food section.
Temperature Control / Thermistor / Damper Malfunction
Symptom
Refrigerator trips the household circuit breaker or GFCI outlet.
Electrical Short or Ground Fault
Symptom
Refrigerator vibrating excessively or rattling against cabinets.
Improper Leveling or Loose Components
Symptom
Warm air or condensation around door gaskets; doors not closing properly.
Door Gasket Seal Failure or Door Misalignment
Symptom
Water leaking from bottom front of refrigerator onto floor.
Defrost Drain Clog or Drain Pan Overflow
Symptom
Water leaking from rear of refrigerator near water line connections.
External Water Line or Valve Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Display shows CF; refrigerator may not respond correctly to commands or may not cool.
|
Communication Failure Between Boards | View Details |
| CL |
Display shows CL; controls may be locked and buttons unresponsive.
|
Control Lock (Child Lock) Activated | View Details |
| dF |
Refrigerator displays dF; unit may run defrost too often or not enough, causing frost buildup or temperature swings.
|
Defrost System Fault | View Details |
| dO |
Display shows dO or door icon; alarm beeps indicating door open even when doors appear closed.
|
Door Switch or Door Ajar Detection Fault | View Details |
| EF |
Display shows EF; refrigerator may not defrost correctly or may have fan issues depending on model.
|
Evaporator Fan or Defrost Feedback Error | View Details |
| FF OP |
Fresh food temperature display shows OP or dashes; refrigerator section may be too warm or too cold.
|
Fresh Food Thermistor Open Circuit | View Details |
| FF SH |
Fresh food temperature display shows SH; refrigerator section may be too cold or control unstable.
|
Fresh Food Thermistor Short Circuit | View Details |
| FZ OP |
Freezer temperature display shows OP or dashes; freezer temperature not controlled correctly.
|
Freezer Thermistor Open Circuit | View Details |
| FZ SH |
Freezer temperature display shows SH; freezer may run too cold or control may be erratic.
|
Freezer Thermistor Short Circuit | View Details |
| H1 |
Display shows H1 for freezer or refrigerator; compartment is too warm.
|
High Temperature Alarm | View Details |
| H2 |
Display shows H2; ice maker or ice compartment temperature is too high, ice production is poor or stopped.
|
Ice Compartment High Temperature | View Details |
| HI |
Display shows HI for temperature; compartment is above the set point and alarm may sound.
|
High Temperature Alarm (Extended) | View Details |
| ICE OP |
Ice compartment or ice maker temperature display shows OP; ice production is inconsistent.
|
Ice Compartment Thermistor Open Circuit | View Details |
| ICE SH |
Ice compartment or ice maker temperature display shows SH; ice maker may overcool or malfunction.
|
Ice Compartment Thermistor Short Circuit | View Details |
| LO |
Display shows LO for temperature; compartment may be too cold or sensor reading is out of range.
|
Low Temperature or Sensor Out-of-Range | View Details |
| OP |
Refrigerator displays OP; temperature readings may be inaccurate or dashes appear on the display.
|
Open Temperature Sensor Circuit | View Details |
| PF |
Display shows PF; refrigerator recovered from a power failure.
|
Power Failure Notification | View Details |
| Sb |
Display shows Sb; refrigerator appears to be in Sabbath mode and some functions are disabled.
|
Sabbath Mode Activated | View Details |
| SH |
Refrigerator displays SH; temperature reading may be extremely low or dashes; cooling may be erratic.
|
Shorted Temperature Sensor Circuit | View Details |
| SY CE |
Refrigerator displays SY CE and may not cool properly; controls may be unresponsive or intermittent.
|
User Interface to Main Control Communication Error | View Details |
| SY CF |
Refrigerator displays SY CF; unit may not cool or may behave erratically.
|
Main Control to User Interface Communication Failure | View Details |
| SY EF |
Refrigerator beeps and displays SY EF; fresh food section warming while freezer may still be cold.
|
Evaporator Fan Motor Failure | View Details |
| – |
Clicking or popping noises from inside cabinet during operation.
|
Normal Thermal Expansion and Defrost Noises | View Details |
| – |
Dispenser not dispensing ice; auger motor does not run when paddle is pressed.
|
Ice Dispenser Auger Failure | View Details |
| – |
Display and lights are on but refrigerator does not run or cool; controls may be unresponsive.
|
Main Control Board Failure | View Details |
| – |
Freezer cold but refrigerator section warm; frost pattern only on part of the evaporator coil.
|
Partial Sealed System Restriction or Low Refrigerant Charge | View Details |
| – |
Ice maker not making ice; water dispenser works normally.
|
Ice Maker Fill or Harvest Failure | View Details |
| – |
Interior lights stay on when doors are closed, causing heat and possible melting near light housing.
|
Door Switch or Light Control Failure | View Details |
| – |
Loud grinding or squealing noise from freezer area, especially when doors are closed.
|
Evaporator Fan Motor or Fan Blade Obstruction | View Details |
| – |
Refrigerator and freezer both warm; lights work but compressor is not running.
|
Compressor Start Failure | View Details |
| – |
Refrigerator door alarm sounds frequently even when doors are closed; interior lights may flicker.
|
Door Switch or Hinge Wiring Issue | View Details |
| – |
Refrigerator has strong musty or sour odor that does not go away after cleaning.
|
Persistent Odor from Drain, Liner, or Insulation | View Details |
| – |
Refrigerator making loud buzzing or rattling noise from rear.
|
Condenser Fan or Compressor Vibration Noise | View Details |
| – |
Refrigerator not cooling in fresh food section but freezer is cold; no error code displayed.
|
Evaporator Frost Blockage / Airflow Restriction | View Details |
| – |
Refrigerator not dispensing water; ice may still be produced.
|
Water Dispensing Failure | View Details |
| – |
Refrigerator runs constantly and is too cold; food freezing in fresh food section.
|
Temperature Control / Thermistor / Damper Malfunction | View Details |
| – |
Refrigerator trips the household circuit breaker or GFCI outlet.
|
Electrical Short or Ground Fault | View Details |
| – |
Refrigerator vibrating excessively or rattling against cabinets.
|
Improper Leveling or Loose Components | View Details |
| – |
Warm air or condensation around door gaskets; doors not closing properly.
|
Door Gasket Seal Failure or Door Misalignment | View Details |
| – |
Water leaking from bottom front of refrigerator onto floor.
|
Defrost Drain Clog or Drain Pan Overflow | View Details |
| – |
Water leaking from rear of refrigerator near water line connections.
|
External Water Line or Valve Leak | View Details |
No matching codes found
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