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Kitchenaid Refrigerator Error Codes

All Kitchenaid refrigerator error codes with step-by-step troubleshooting, multimeter specs, and OEM part numbers.

4 error codes

CodeMeaning
COOLING-FAILUREThe fridge or freezer temps climb above the set point because something in the heat exchange or airflow chain broke down. Could be dirty coils that can't dump heat, a dead fan that won't move air, or a compressor that can't start.
highintermediate
FILTER-RESETThe fridge hit its built-in threshold, either 200 gallons filtered or 6 months elapsed, and it's flagging you to swap the cartridge. There's no actual water quality sensor in there. It's just a timer and a gallon counter on the control board that needs a manual reset after you change the filter.
lowbeginner
HUBKitchenAid runs on the Whirlpool control platform, so when a fault trips, the board logs a code that points to whichever sensor or circuit threw the flag. PO just means the board lost power and came back. Other codes point to specific circuits like the evaporator thermistor, the defrost heater, or the ice maker module.
lowbeginner
KA-AIRFLOW-ERRYour freezer's making cold air just fine, but it's not getting to the fridge section. Something's blocking the path, whether that's ice on the evaporator coils, a dead fan motor that won't move the air, or a stuck damper that's supposed to open but isn't.
highintermediate