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Error code reference

Thermador Refrigerator Error Code 3-2-2

Icemaker

Icemaker: Icemaker motor faulty.

First step from the service manual

Switch the appliance off and on; if fault code reappears, replace the ice maker (motor not replaceable).

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What 3-2-2 means on a Thermador refrigerator

Error code 3-2-2 on a Thermador refrigerator indicates a fault within the icemaker motor circuit. The control board has detected that the icemaker motor is not operating within expected parameters, either failing to respond to drive signals or drawing incorrect current during its harvest cycle. The icemaker motor drives the ejector blades that push formed ice cubes out of the mold tray and rotates the mechanism through its harvest sequence. When this motor fails or becomes electrically open or shorted, the control system flags the 3-2-2 code and halts icemaker operation to prevent further damage.

The root cause is typically internal motor failure within the icemaker assembly itself. Thermador's diagnostic approach confirms this by noting that the motor is not a separately replaceable component. This means the motor is integrated into the icemaker module, and individual motor replacement is not a supported repair path. If the fault code clears after a power cycle, it may indicate a transient electrical issue such as a voltage spike or temporary communication fault. However, if the 3-2-2 code returns after switching the appliance off and back on, the icemaker assembly requires full replacement. Attempting to operate the unit with a confirmed motor fault will result in continued icemaking failure and potential ice jam buildup inside the unit.

Source: manufacturer service documentation.

Common causes of 3-2-2

  1. 01

    Failed icemaker motor (internal)

    Part replacement

    The motor integrated within the icemaker module has burned out or seized, preventing the ejector mechanism from completing its harvest cycle. This is the most likely cause when the 3-2-2 code persists after a power cycle.

  2. 02

    Transient electrical fault or voltage spike

    Wiring / connection

    A brief power fluctuation can cause the control board to register a false motor fault. If the code clears after cycling power and does not return, no part replacement may be needed.

  3. 03

    Ice jam or mechanical obstruction in ejector

    Wiring / connection

    An ice jam blocking the ejector blades can prevent the motor from turning, causing the control board to detect a motor fault. Inspecting the icemaker tray for lodged ice cubes before replacing the unit is a reasonable first step.

  4. 04

    Wiring harness or connector issue

    Wiring / connection

    A loose, corroded, or damaged connector between the icemaker assembly and the control board can interrupt motor signals and trigger this code. Inspect the wiring harness at the icemaker plug for visible damage or poor seating.

  5. 05

    Defective icemaker control module

    Part replacement

    In some cases the onboard circuitry within the icemaker assembly that drives the motor can fail, producing a motor fault code even if the motor windings are intact. Since the motor is not individually replaceable, the full assembly still requires replacement.

See the test procedure for each cause

Frequently asked questions about 3-2-2

What does 3-2-2 mean on a Thermador refrigerator?
Error code 3-2-2 on a Thermador refrigerator indicates that the icemaker motor has been detected as faulty by the refrigerator's control system. The motor drives the ejector mechanism responsible for pushing formed ice out of the mold during the harvest cycle. When this motor fails electrically or mechanically, the control board logs the 3-2-2 code and stops icemaker operation. The refrigerator's cooling functions are not affected by this fault.
Will resetting the refrigerator clear error code 3-2-2?
Switching the refrigerator off and back on is the recommended first step for the 3-2-2 code, and it may clear the fault if the cause was a transient electrical glitch. If the code reappears after the power cycle, the icemaker motor has a confirmed hardware failure and the reset will not provide a permanent fix. In that case, the icemaker assembly must be replaced.
Can I still use my Thermador refrigerator when the 3-2-2 code is showing?
Yes, the refrigerator's cooling and freezing functions will continue to operate normally when the 3-2-2 fault is active. The error only disables icemaker operation and does not affect temperature control or food preservation. You will not have automatic ice production until the icemaker assembly is replaced.
Can I fix error code 3-2-2 myself, or do I need a technician?
The initial troubleshooting step, cycling the power, can be done by any homeowner. Checking for ice jams or inspecting the wiring harness connection at the icemaker is also within reach for a confident DIYer. However, replacing the icemaker assembly involves working inside the freezer compartment and disconnecting electrical connectors, which many technicians recommend having a qualified repair professional handle to avoid damaging adjacent components.
How much does it cost to fix a Thermador refrigerator showing error code 3-2-2?
Since the motor inside the icemaker is not separately replaceable, the fix requires a full icemaker assembly replacement. Parts cost for a Thermador icemaker assembly typically ranges from around $150 to $400 or more depending on the specific model. Adding professional labor, total repair costs generally fall in the range of $250 to $600. Getting a quote from an authorized service provider before proceeding is recommended.

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