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Error code reference

Miele Refrigerator Error Code 1-2-3

Icemaker

Miele codesMiele refrigerator codes

Icemaker: Motor faulty.

First step from the service manual

Switch appliance off and on; if fault returns, replace icemaker because motor is not replaceable.

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

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What 1-2-3 means on a Miele refrigerator

Error code 1-2-3 on a Miele refrigerator indicates a fault within the icemaker motor. The icemaker assembly relies on a small drive motor to rotate the ice ejector mechanism, which pushes formed ice cubes out of the mold and into the storage bin. When the control board detects that this motor is not operating correctly, whether due to a stall condition, an open circuit, or a failure to reach the correct rotational position within the expected time window, it logs this fault code and halts icemaker operation to prevent mechanical damage.

The motor in Miele's icemaker unit is integrated directly into the icemaker assembly and is not available as a standalone replacement component. This means that if the motor itself has failed, the entire icemaker module must be replaced. Before committing to that repair, the recommended first step is a full power cycle: switch the refrigerator completely off, wait a brief period, and then switch it back on. If the fault was caused by a temporary stall due to an ice jam or a momentary control signal issue, the reset may clear the code. If the 1-2-3 code returns after the power cycle, the icemaker assembly should be considered faulty and replaced as a unit.

Source: manufacturer service documentation.

Common causes of 1-2-3

  1. 01

    Failed icemaker drive motor

    Part replacement

    The motor that rotates the ice ejector has burned out or seized internally. Since the motor is not a separately replaceable part, this requires replacing the full icemaker assembly.

  2. 02

    Ice jam causing motor stall

    Wiring / connection

    A buildup of ice in the ejector mechanism can physically block the motor from turning, triggering this fault. Inspect the icemaker tray and bin for clumped or jammed ice that may have caused a temporary stall.

  3. 03

    Wiring or connector fault at the icemaker

    Wiring / connection

    A loose, corroded, or damaged wiring harness connection between the control board and the icemaker motor can interrupt the signal or power supply. Check the connector at the icemaker assembly for secure seating and signs of corrosion.

  4. 04

    Control board failure to command the motor

    Part replacement

    If the main control board is not sending the correct output signal to the icemaker motor circuit, the motor will not run and this code will be triggered. This is less common but should be considered if wiring and the icemaker assembly both check out.

See the test procedure for each cause

Frequently asked questions about 1-2-3

What does 1-2-3 mean on a Miele refrigerator?
Error code 1-2-3 on a Miele refrigerator indicates that the icemaker motor has been detected as faulty. The control board monitors the icemaker drive motor and logs this code when the motor fails to operate correctly. The icemaker will stop producing ice until the fault is resolved. A power cycle is the first recommended step, and if the code returns, the icemaker assembly requires replacement.
Will resetting my Miele refrigerator clear the 1-2-3 error code?
A power cycle, switching the appliance fully off and then back on, may clear the 1-2-3 code if the fault was caused by a temporary condition such as an ice jam or a brief signal interruption. However, if the motor has genuinely failed, the code will return after the reset. A persistent 1-2-3 code after a power cycle confirms that the icemaker assembly needs to be replaced.
Can I fix the 1-2-3 icemaker motor fault myself?
The initial step, power cycling the refrigerator, is straightforward and can be done by any homeowner. Beyond that, clearing an ice jam from the icemaker tray is also manageable without special tools. However, if the motor itself has failed, replacing the icemaker assembly requires disconnecting electrical connectors and removing the module, which is typically within reach of experienced DIYers but may warrant a professional technician for those unfamiliar with appliance repair.
Is it safe to keep using my refrigerator when error code 1-2-3 is displayed?
Yes, the 1-2-3 fault code is specific to the icemaker motor and does not affect the refrigerator or freezer cooling functions. Your food will remain safe and temperatures will be maintained normally. The only impact is that the icemaker will not produce ice until the fault is corrected.
How much does it cost to fix a Miele refrigerator showing error code 1-2-3?
If a power cycle resolves the issue, there is no parts cost involved. If the icemaker assembly must be replaced, costs typically include both the part and labor if a technician is hired, and the total can range from a few hundred dollars into the higher hundreds depending on the specific Miele model and local labor rates. Because the motor is not sold separately, the full icemaker module is the required replacement part.

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