KitchenAid Refrigerator Error Codes

Complete KitchenAid Refrigerator Guide

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

PO
Power Outage Detected
  • Check household power supply and circuit breaker.
  • Unplug refrigerator for 5–10 minutes.
  • Confirm display resets after restart.
  • Reprogram temperature settings if needed.
Er
General System Error
  • Perform full power reset.
  • Check control board connections.
  • Inspect wiring harness for looseness or damage.
  • Replace main PCB if error persists.
CF
Condenser Fan Failure
  • Clean condenser coils and fan blades.
  • Check fan motor for obstruction.
  • Inspect wiring connections.
  • Replace condenser fan motor if faulty.
rF
Evaporator Fan Error
  • Check evaporator fan for ice buildup.
  • Inspect fan motor operation.
  • Verify wiring harness connection.
  • Replace fan motor if not spinning.
AF
Airflow Blockage Detected
  • Check vents inside refrigerator and freezer.
  • Remove food blocking air channels.
  • Inspect evaporator cover for ice buildup.
  • Reset system after clearing airflow path.
dH
Defrost Heater Issue
  • Test defrost heater continuity.
  • Inspect defrost thermostat and wiring.
  • Check evaporator coil for heavy frost.
  • Replace heater assembly if faulty.
dF
Defrost System Failure
  • Inspect defrost timer or control board.
  • Check wiring to defrost components.
  • Manually defrost unit if ice buildup exists.
  • Replace control board if cycle fails.
rS
Refrigerator Sensor Fault
  • Check temperature sensor wiring.
  • Test thermistor resistance.
  • Inspect connector for corrosion.
  • Replace sensor if readings are abnormal.
FS
Freezer Sensor Fault
  • Inspect freezer thermistor wiring.
  • Check for ice damage or disconnection.
  • Test resistance with multimeter.
  • Replace sensor if faulty.
tS
Temperature Sensor Drift
  • Compare actual vs displayed temperature.
  • Check sensor placement inside cabinet.
  • Inspect wiring harness for damage.
  • Replace thermistor if inaccurate.
OP
Door Open Alert
  • Ensure door is fully closed.
  • Check gasket seal for damage or dirt.
  • Inspect door switch sensor.
  • Remove obstruction preventing closure.
dL
Door Switch Failure
  • Test door switch continuity.
  • Check alignment of door latch.
  • Inspect wiring connections.
  • Replace switch assembly if needed.
HI
High Temperature Warning
  • Check if doors were left open.
  • Inspect compressor operation.
  • Ensure condenser coils are clean.
  • Allow unit to stabilize temperature.
LO
Low Temperature Alert
  • Check thermostat settings.
  • Inspect temperature sensor accuracy.
  • Verify compressor cycling normally.
  • Reset control system if needed.
CL
Control Lock Active
  • Press and hold lock button for 3–5 seconds.
  • Check user settings for lock mode.
  • Reset control panel if unresponsive.
  • Consult manual for model-specific unlock steps.
SY
System Communication Error
  • Reset refrigerator power supply.
  • Check wiring between control modules.
  • Inspect connectors for corrosion.
  • Replace control board if failure persists.

Frequently Asked Questions


Why does my KitchenAid refrigerator not respond?
Check power supply, control lock status, and system connection. Ensure the unit is properly plugged in and reset the refrigerator system.
Why is my KitchenAid refrigerator not cooling?
Check temperature settings, condenser coils, and airflow inside the unit. Ensure doors are sealing properly and reset the system if needed.
Why is my KitchenAid refrigerator too warm inside?
Inspect evaporator fan, condenser fan, and air vents. Clean coils and ensure proper airflow throughout the refrigerator.
Why is my KitchenAid refrigerator freezing food?
Check thermostat settings and air damper control. Ensure temperature sensors are working correctly and food is not blocking vents.
Why is my KitchenAid refrigerator making unusual noises?
Inspect evaporator fan, condenser fan, and compressor. Remove any ice buildup or obstruction inside the system.
Why does my KitchenAid refrigerator stop cooling intermittently?
Check compressor operation, power supply, and control board. Reset the unit and inspect for airflow restrictions.
Why is my KitchenAid refrigerator not making ice?
Check water supply line, inlet valve, and ice maker assembly. Ensure freezer temperature is cold enough for ice production.
Why is my KitchenAid refrigerator leaking water?
Inspect defrost drain, water inlet line, and drain pan. Clear any blockages and ensure proper leveling of the unit.
Why is my KitchenAid refrigerator display not working?
Check power connection, control board, and display wiring. Restart system and inspect panel connections.
Why is my KitchenAid refrigerator showing an error code?
Note the error code displayed. Reset the refrigerator and inspect sensors, wiring, or control board if needed.
Why is my KitchenAid refrigerator door not sealing properly?
Check door gasket for dirt or damage. Ensure proper alignment and remove any obstruction preventing full closure.
Why is my KitchenAid refrigerator running constantly?
Check condenser coils for dust buildup. Inspect door seals and thermostat settings. Ensure proper airflow inside the unit.
How do I reset my KitchenAid refrigerator system messages?
Turn off power for 5–10 minutes, then restore power to reset system errors and clear temporary faults.
Important: If issues persist after troubleshooting, disconnect power and contact a certified KitchenAid technician for assistance.