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Error code reference

Bosch Refrigerator Error Code 1-1-4

Ice maker

Ice maker: Ice tray heater or icemaker electronic is faulty.

First step from the service manual

Heater and electronics are not replaceable; replace the ice maker.

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

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What 1-1-4 means on a Bosch refrigerator

Error code 1-1-4 on a Bosch refrigerator points to a fault within the ice maker unit, specifically identifying either the ice tray heater or the ice maker's internal electronics as the failed component. The ice tray heater is responsible for briefly warming the tray during harvest cycles, allowing formed ice cubes to release cleanly into the storage bin. When this heater fails, the harvest cycle cannot complete properly, and the control system logs a fault. Similarly, if the ice maker's onboard electronic control circuit fails, the unit loses the ability to manage timing, motor operation, temperature sensing, or heater activation.

Because the ice tray heater and the electronic control board are both integrated directly into the ice maker assembly, neither component is available as a standalone replacement part. Bosch does not service these sub-components individually. The entire ice maker unit must be replaced as a single assembly when code 1-1-4 appears. Attempting to diagnose or repair individual internal components is not a supported repair path.

This fault can develop due to heater element burnout, internal wiring failure within the assembly, or electronic circuit board failure caused by age, moisture exposure, or power surges. In all cases, the diagnostic and repair path is the same: confirm the error code is active, rule out any wiring harness issues at the ice maker connector, and proceed with full ice maker replacement.

Source: manufacturer service documentation.

Common causes of 1-1-4

  1. 01

    Ice tray heater failure

    Part replacement

    The internal heater element that warms the tray during ice harvest has burned out or shorted. This is the most frequent cause of 1-1-4 and prevents ice cubes from releasing properly.

  2. 02

    Ice maker electronic control board failure

    Part replacement

    The onboard circuit board inside the ice maker assembly has failed, disrupting timing, motor control, or heater activation signals. This can occur due to age, power surges, or moisture intrusion.

  3. 03

    Moisture or frost damage to internal components

    Part replacement

    Excessive frost buildup or water intrusion into the ice maker housing can short internal circuits or degrade the heater element over time. Inspect the ice maker compartment for signs of heavy frost or water pooling.

  4. 04

    Wiring harness fault at the ice maker connector

    Wiring / connection

    A loose, corroded, or damaged connector between the refrigerator wiring harness and the ice maker can mimic an internal component failure. Inspect and reseat the connector before replacing the assembly.

See the test procedure for each cause

Frequently asked questions about 1-1-4

What does 1-1-4 mean on a Bosch refrigerator?
Error code 1-1-4 indicates a fault with the ice maker, specifically identifying the ice tray heater or the ice maker's internal electronics as faulty. The ice tray heater releases formed ice during harvest cycles, and the electronics manage all ice maker functions. Because these components are not serviceable individually, the entire ice maker assembly must be replaced to resolve this code.
Can I fix error code 1-1-4 myself without replacing the ice maker?
The heater and electronics inside the ice maker are not available as separate replacement parts and cannot be repaired individually. The only supported fix is replacing the complete ice maker assembly. Before ordering a replacement, check that the wiring harness connector at the ice maker is fully seated and free of corrosion, as a loose connection can sometimes trigger this code.
Will resetting my Bosch refrigerator clear the 1-1-4 error code?
A power reset may temporarily clear the displayed code, but if the ice tray heater or internal electronics have actually failed, the fault will return once the ice maker attempts its next cycle. A reset is not a repair and should only be used to confirm whether the fault is persistent. If code 1-1-4 returns after a reset, ice maker replacement is required.
Is it safe to continue using my refrigerator with a 1-1-4 error code?
The refrigerator's cooling and food preservation functions are separate from the ice maker and should continue operating normally with this fault present. The ice maker will not produce ice while this code is active, but there is no safety risk to stored food. You can continue using the refrigerator while scheduling the ice maker repair.
How much does it cost to fix a Bosch refrigerator with error code 1-1-4?
The cost depends on whether you hire a technician or perform the replacement yourself. A replacement ice maker assembly for a Bosch refrigerator typically ranges from $80 to $200 depending on the model. Professional repair labor can add $100 to $250 on top of the parts cost, bringing total repair costs to a range of roughly $180 to $450 in most cases.

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