KitchenAid Ice Maker Error Code 2 Blinks

The 2 Blinks code indicates a bin thermistor failure. The bin thermistor is the temperature sensor located in the ice storage bin, and it reports bin conditions to the control board. This code is triggered when the control board detects that the thermistor circuit is open, shorted, or not connected at all. The ice maker will not operate normally until the fault is resolved.

A reset will not permanently clear this error if the underlying fault still exists. The control board will detect the faulty or missing thermistor signal again as soon as it runs its diagnostic check and reissue the 2 Blinks code. The thermistor connection or the component itself must be corrected before normal operation can resume.

If the fix is simply reseating a disconnected connector, there is no parts cost involved. If the thermistor itself has failed and needs replacement, parts costs typically range from around $15 to $60 depending on the specific model. Adding professional labor for diagnosis and replacement, total repair costs can range from roughly $100 to $250.

Start by checking that the bin thermistor connector is fully plugged into the control box, as a loose connection is the simplest and most common cause. If the connector is secure, use a multimeter to test the thermistor itself for open or shorted conditions. A thermistor that reads infinite resistance or near-zero ohms has failed and needs to be replaced.

The ice maker is designed to stop normal operation when this fault is detected, so it will not produce ice reliably while the code is active. Continuing to run the unit without addressing the fault is not recommended, as the control board relies on bin thermistor data to manage the ice-making cycle properly. Resolving the fault before returning the unit to service is the correct approach.