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Error code reference

U-Line Ice Maker Error Code E13

Auger error.

U-Line codesU-Line ice maker codes

Auger error.

First step from the service manual

Check auger motor connections (blue, black, white wires) and gear motor operation.

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

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What E13 means on a U-Line ice maker

The E13 error code on a U-Line ice maker indicates an auger fault. The auger is the spiral-shaped mechanism responsible for moving ice from the storage bin toward the dispensing chute. It is driven by a gear motor, which reduces rotational speed while increasing torque to push ice through the system. When the control board detects that the auger motor is not operating within expected parameters, such as drawing incorrect current, failing to complete a rotation cycle, or receiving no signal at all, it triggers the E13 fault to halt operation and protect the system.

The most logical starting point for diagnosing E13 is a thorough inspection of the auger motor wiring harness. The motor connects via blue, black, and white wires, and any of these connections can become loose, corroded, or damaged over time due to the cold, humid environment inside an ice maker. A broken or intermittent connection will prevent the motor from receiving power or sending feedback to the control board. Beyond the wiring, the gear motor itself can fail mechanically if internal gears strip or seize, or electrically if the motor windings burn out.

Additional causes include ice jams blocking auger rotation and putting excessive load on the motor, as well as a faulty control board that is incorrectly commanding or reading the auger circuit. Technicians should verify wiring integrity first, then test gear motor operation directly before condemning the board.

Source: manufacturer service documentation.

Common causes of E13

  1. 01

    Loose or damaged auger motor wiring

    Wiring / connection

    The blue, black, or white wires connecting the auger gear motor can become loose, corroded, or broken. Inspect each connector carefully for signs of corrosion, fraying, or a poor-fitting connection.

  2. 02

    Ice jam blocking auger rotation

    Wiring / connection

    A buildup of ice or a large ice chunk can mechanically obstruct the auger, causing the motor to stall and trigger E13. Defrost the unit and clear any ice obstruction before restarting.

  3. 03

    Failed auger gear motor

    Part replacement

    The gear motor itself can fail due to stripped internal gears or burned-out motor windings. If wiring checks out but the motor does not run or runs erratically when tested directly, the gear motor will need replacement.

  4. 04

    Seized auger assembly

    Part replacement

    The auger shaft or bearing can seize due to debris, ice buildup, or wear, preventing rotation even when the motor is functioning. Inspect the auger for physical resistance when manually turned.

  5. 05

    Control board fault

    Part replacement

    If wiring, the gear motor, and the auger mechanism all test correctly, the control board may be failing to properly drive or read the auger circuit. This is the least common cause and should be diagnosed last.

See the test procedure for each cause

Frequently asked questions about E13

What does E13 mean on a U-Line ice_maker?
E13 indicates an auger error, meaning the control board has detected a problem with the auger motor or its operation. The auger is the component that moves ice from the storage bin to the dispenser. The machine stops operation when this fault is detected to prevent further damage. Diagnosis begins with checking the auger motor connections, specifically the blue, black, and white wires, and verifying gear motor function.
Can I fix the E13 error on my U-Line ice maker myself?
Some causes of E13 can be addressed without professional help, such as clearing an ice jam or reseating a loose wire connection. However, testing the gear motor for electrical faults and replacing internal components requires basic electrical knowledge and the right tools. If you are not comfortable working with appliance wiring, a qualified technician is recommended.
Is it safe to continue using my U-Line ice maker when E13 is displayed?
No, the unit should not be forced to continue running while E13 is active. The error code is a protective shutdown to prevent the auger motor and related components from sustaining further damage. Continuing to operate the machine without resolving the fault could result in more extensive and costly repairs.
Will resetting the U-Line ice maker clear the E13 error?
A reset may temporarily clear the E13 code, but if the underlying cause has not been fixed, the error will return. A reset is a useful step to confirm whether the fault is intermittent, but it does not repair a failed motor, a wiring problem, or a mechanical jam. The root cause must be identified and corrected for the unit to operate reliably.
How much does it cost to repair an E13 auger error on a U-Line ice maker?
Repair costs vary depending on the cause. If the fix is simply reseating a connector or clearing an ice jam, costs are minimal. Replacing an auger gear motor typically ranges from around $150 to $350 or more depending on parts and labor in your area. A control board replacement is generally at the higher end of the repair cost spectrum, often ranging from $200 to $500 or beyond.

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