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Error code reference

Thermador Refrigerator Error Code 1-1-1

Icemaker

Icemaker: Ice production cycle is interrupted (mechanical blockage or motor fault).

First step from the service manual

Start icemaker self test and observe if ice tray rotates; check for mechanical blockage.

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

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What 1-1-1 means on a Thermador refrigerator

Error code 1-1-1 on a Thermador refrigerator signals an interruption in the icemaker's ice production cycle. This code is generated when the control system detects that the ice tray has failed to complete its rotation sequence within the expected time window. The icemaker module relies on a small motor to drive the ice tray through its twist-and-eject cycle, and if that rotation is blocked or the motor fails to generate sufficient torque, the cycle halts and the fault is logged.

The two primary failure categories behind this code are mechanical blockage and motor fault. A mechanical blockage can occur when ice cubes freeze together into a clump inside the tray, when a foreign object enters the icemaker compartment, or when ice builds up around the ejector arms and prevents rotation. A motor fault points to the internal drive motor losing continuity, seizing, or drawing abnormal current. Both conditions result in the same outcome: the tray does not rotate and the production cycle cannot complete.

The recommended starting point is running the icemaker self-test mode and observing whether the ice tray physically rotates. If the tray does not move at all, the fault is likely electrical or motor-related. If the tray attempts to move but stalls, a mechanical obstruction is the more probable cause. Inspecting the tray cavity for ice bridges, clumped cubes, or debris should follow immediately. Clearing any blockage manually and re-running the self-test will confirm whether the motor itself is functional or needs replacement.

Source: manufacturer service documentation.

Common causes of 1-1-1

  1. 01

    Ice clump or bridge blocking tray rotation

    Wiring / connection

    Ice cubes that partially melt and refreeze can fuse together into a solid mass that prevents the tray from completing its rotation. Inspect the ice tray and ejector area for fused cubes or an ice bridge and clear the blockage manually.

  2. 02

    Ice buildup around ejector arms

    Wiring / connection

    Frost or excess ice accumulation around the ejector arms can physically lock the mechanism in place. A manual defrost of the icemaker compartment using a hair dryer on low heat or warm water can resolve this condition.

  3. 03

    Icemaker drive motor failure

    Part replacement

    The motor responsible for rotating the ice tray can seize or lose electrical continuity, preventing any tray movement during the production cycle. If the tray does not rotate at all during the self-test and no blockage is present, motor replacement is indicated.

  4. 04

    Foreign object in icemaker compartment

    Wiring / connection

    Small items such as food packaging or displaced shelf components can enter the icemaker area and obstruct tray movement. A visual inspection of the full icemaker cavity should be performed to rule this out.

  5. 05

    Icemaker module or wiring harness fault

    Part replacement

    A failure in the icemaker control module itself or a damaged wiring harness connection to the drive motor can prevent the motor from receiving the signal to rotate. Check connector integrity and inspect the harness for pinching, corrosion, or breaks.

See the test procedure for each cause

Frequently asked questions about 1-1-1

What does 1-1-1 mean on a Thermador refrigerator?
Error code 1-1-1 on a Thermador refrigerator indicates that the icemaker ice production cycle has been interrupted. The control system detected that the ice tray did not complete its rotation, which is required to eject finished cubes and reset for the next cycle. The cause is either a mechanical blockage inside the icemaker compartment or a failure of the tray drive motor.
How do I fix error code 1-1-1 on my Thermador refrigerator?
Start by running the icemaker self-test and watching whether the ice tray rotates. If the tray is physically blocked by clumped ice or frost buildup, clear the obstruction manually and re-run the self-test. If the tray does not move at all and no blockage is present, the drive motor or icemaker module likely needs to be replaced by a qualified technician.
Is it safe to use my Thermador refrigerator while error code 1-1-1 is active?
Yes, error code 1-1-1 is isolated to the icemaker system and does not affect the refrigerator or freezer compartment temperatures. Your food will remain safely stored while the fault is present. However, the icemaker will not produce ice until the underlying issue is resolved and the error is cleared.
How much does it cost to repair a Thermador refrigerator showing error code 1-1-1?
If the fix is simply removing a blockage or clearing ice buildup, there is no parts cost involved. If the drive motor or icemaker module needs replacement, parts and labor typically range from $150 to $400 depending on the specific component required and your local service rates. Getting a diagnostic call from a certified Thermador technician will confirm the exact repair needed before committing to parts.
Will resetting my Thermador refrigerator clear error code 1-1-1?
A power reset may temporarily clear the error code display, but the code will return if the underlying mechanical or motor fault has not been corrected. The icemaker needs to successfully complete a full production cycle to confirm the problem is resolved. Always address the root cause first before relying on a reset to clear the fault.

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