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Error code reference

GE Refrigerator Error Code I/M FUNCTION ERROR

Ice tray has not returned to level after an ice harvest; error displayed after three failed attempts.

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Ice tray has not returned to level after an ice harvest; error displayed after three failed attempts.

First step from the service manual

Replace Ice Maker.

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

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
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What I/M FUNCTION ERROR means on a GE refrigerator

The I/M FUNCTION ERROR on a GE refrigerator indicates that the ice maker's ice tray failed to return to its level (home) position following an ice harvest cycle. During a normal harvest, the tray motor rotates the tray to twist and release ice cubes, then drives the tray back to its horizontal resting position to begin refilling with water. The control monitors tray position via a sensor or switch feedback signal. When the tray does not reach the home position within the expected time window, the control logs a failed attempt. After three consecutive failed attempts, the I/M FUNCTION ERROR code is displayed on the refrigerator.

This error points directly to a failure within the ice maker assembly itself. The most likely culprits are a seized or failed tray motor, a stripped gear within the ice maker drive mechanism, or a position switch that is stuck or not signaling correctly. Ice buildup around the tray or in the ejector mechanism can also physically block the tray from returning to level, preventing the home position signal from being satisfied. Because these components are integrated into the ice maker module, isolating the exact failed part often requires disassembling the unit.

The primary diagnostic path, as indicated by the error definition, leads directly to ice maker replacement. While it is possible to inspect for ice obstruction or a jammed tray as a preliminary step, the three-strike failure logic means the control has already confirmed a persistent mechanical or electrical fault. Attempting a reset without addressing the root cause will typically result in the error returning after the next harvest cycle.

Source: manufacturer service documentation.

Common causes of I/M FUNCTION ERROR

  1. 01

    Failed Ice Maker Tray Motor

    Part replacement

    The motor that rotates the ice tray during harvest and drives it back to the home position may have seized or burned out. A failed motor will prevent the tray from completing its return travel, triggering the error after three attempts.

  2. 02

    Stripped or Broken Drive Gear

    Part replacement

    The internal gear mechanism within the ice maker module can strip or crack over time, causing the motor to run without actually moving the tray. You may hear the motor running but the tray will not rotate or return to level.

  3. 03

    Ice Jam or Frost Buildup Around the Tray

    Wiring / connection

    Excessive ice accumulation or frost around the tray or ejector fingers can physically obstruct tray movement. Inspect the ice maker compartment for visible ice buildup and attempt to clear it before concluding the module itself has failed.

  4. 04

    Faulty Home Position Switch or Sensor

    Part replacement

    If the switch or sensor that confirms the tray has returned to the level position is stuck or defective, the control will never receive the completion signal even if the tray is physically moving correctly. This is typically integrated into the ice maker module assembly.

  5. 05

    Defective Ice Maker Module Assembly

    Part replacement

    When individual component failures are internal to the ice maker housing and cannot be serviced separately, full replacement of the ice maker assembly is the recommended corrective action, consistent with the primary diagnostic step for this error code.

See the test procedure for each cause

Frequently asked questions about I/M FUNCTION ERROR

What does I/M FUNCTION ERROR mean on a GE refrigerator?
The I/M FUNCTION ERROR means the ice maker's ice tray failed to return to its level home position after completing a harvest cycle. The refrigerator's control monitors tray position and logs a failure each time the tray does not reach the home position within the expected timeframe. After three consecutive failed attempts, the error code is displayed and ice production stops. The error points to a mechanical or electrical fault within the ice maker assembly.
Can I fix the I/M FUNCTION ERROR myself on a GE refrigerator?
A knowledgeable DIYer can start by inspecting the ice maker compartment for ice jams or frost buildup that may be physically blocking the tray from returning to level, since clearing the obstruction requires no parts. However, if the tray motor, drive gear, or position sensor has failed, the repair typically requires replacing the ice maker assembly. Ice maker replacement on GE refrigerators is a moderately involved repair that requires disconnecting a wiring harness and removing mounting hardware.
Will resetting my GE refrigerator clear the I/M FUNCTION ERROR?
A reset may temporarily clear the error code, but if the underlying mechanical or electrical fault in the ice maker is not corrected, the error will return after the next harvest cycle attempt. The control will again allow three attempts before redisplaying the code. Resetting is only useful as a diagnostic step to confirm the fault is persistent, not as a fix.
Is the I/M FUNCTION ERROR on a GE refrigerator a safety concern?
This error does not represent a safety hazard to the refrigerator or your household. The error is isolated to the ice maker system and does not affect the refrigerator or freezer compartment temperatures. You can continue using the refrigerator normally while the ice maker is non-functional, though ice production will be suspended until the fault is resolved.
How much does it cost to fix the I/M FUNCTION ERROR on a GE refrigerator?
If the repair requires a full ice maker assembly replacement, parts typically range from $50 to $150 depending on the specific GE model. If you hire a technician, labor costs can add $100 to $200 to the total, bringing the complete repair range to roughly $150 to $350. Costs will be lower if the issue turns out to be a simple ice jam that can be cleared without any replacement parts.

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