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Error code reference

Whirlpool Air Conditioner Error Code E5

Timed ice making

Whirlpool codesWhirlpool air conditioner codes

Timed ice making - ice storage temperature is satisfactory but the ice mold remains in freeze state too long; possible ice maker mold thermistor anomaly.

First step from the service manual

Check ice maker mold thermistor.

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
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What E5 means on a Whirlpool air conditioner

The E5 error code on a Whirlpool air conditioner with an ice-making function indicates a timed ice-making fault. Specifically, the control system has detected that the ice storage compartment temperature is within an acceptable range, but the ice mold itself has remained in the freeze state for an excessive period. This signals that the mold is not completing its harvest cycle within the expected timeframe, which the control board monitors through the ice maker mold thermistor.

The ice maker mold thermistor is a temperature-sensing resistor mounted directly on or near the ice mold. It provides continuous resistance-based temperature readings to the control board. During normal operation, as the mold freezes and then warms during harvest, the thermistor's resistance changes predictably. If the thermistor is faulty, its resistance values may be stuck, drifting, or out of the expected range, causing the control board to misread the mold's thermal state and conclude the freeze cycle has run too long.

Beyond a failed thermistor, wiring harness issues between the thermistor and the control board can produce the same symptom. A damaged connector, corroded terminal, or broken wire will disrupt the resistance signal and trigger E5. In some cases, a legitimate mechanical issue with the ice maker assembly, such as a stuck heater or failed harvest motor, can cause the mold to genuinely remain frozen too long, making the error accurate rather than sensor-related.

Source: manufacturer service documentation.

Common causes of E5

  1. 01

    Faulty ice maker mold thermistor

    Part replacement

    The thermistor may have failed internally, causing it to send incorrect or fixed resistance readings to the control board. Checking the thermistor's resistance with a multimeter and comparing it to the expected value at a known temperature will confirm whether it has failed.

  2. 02

    Damaged thermistor wiring or connector

    Wiring / connection

    Corroded terminals, a broken wire, or a loose connector in the thermistor harness can interrupt the resistance signal and mimic a failed sensor. Inspect the wiring from the thermistor to the control board for visible damage or poor contact.

  3. 03

    Failed ice maker harvest heater

    Part replacement

    If the heater that warms the mold to release ice cubes is not functioning, the mold will genuinely remain frozen too long, triggering E5. The heater can be tested for continuity with a multimeter.

  4. 04

    Ice maker harvest motor failure

    Part replacement

    A failed or stalled harvest motor prevents the mechanical completion of the ice release cycle, causing the freeze state to persist beyond its timed limit. Listen for the motor during the harvest phase and test it for proper operation.

  5. 05

    Control board fault

    Part replacement

    If the thermistor and all associated wiring test correctly, the control board itself may be misinterpreting or failing to process the thermistor signal properly. This is a less common cause and should be considered only after ruling out the sensor and wiring.

See the test procedure for each cause

Frequently asked questions about E5

What does E5 mean on a Whirlpool air_conditioner?
E5 indicates a timed ice-making fault where the ice storage temperature is acceptable but the ice mold has stayed in its freeze state longer than the control system allows. The most likely cause is an anomaly with the ice maker mold thermistor, which monitors the temperature of the mold throughout the freeze and harvest cycle. The unit flags E5 when the thermistor signal suggests the mold is not progressing through its cycle normally.
How do I fix the E5 error on my Whirlpool unit?
Start by inspecting and testing the ice maker mold thermistor using a multimeter to check its resistance output. Also examine the wiring harness and connectors between the thermistor and the control board for corrosion or damage. If the thermistor tests faulty, replacing it is the most common fix. If the sensor and wiring are intact, further diagnosis of the harvest heater and motor is needed.
Is the E5 error on a Whirlpool air conditioner a safety concern?
The E5 error is not typically a safety hazard in terms of electrical or fire risk. It is an ice-making system fault that disrupts ice production but does not affect the core cooling function of the unit. You can continue using the air conditioning function while the ice maker fault is being diagnosed and repaired.
How much does it cost to repair an E5 error on a Whirlpool air conditioner?
If the repair requires only a thermistor replacement, parts and labor typically range from around $50 to $150, depending on part availability and service rates in your area. If the harvest heater, motor, or control board also needs replacement, total repair costs could range from $100 to $300 or more. Getting a diagnostic estimate from a certified technician before committing to parts is recommended.
Will resetting my Whirlpool unit clear the E5 error code?
A power reset may temporarily clear the E5 code, but if the underlying cause such as a faulty thermistor or damaged wiring has not been addressed, the error will return once the ice-making cycle runs again. Resetting is useful for confirming whether the fault is intermittent, but it is not a substitute for diagnosing and correcting the root cause.

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