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Error code reference

Prodigy Ice Maker Error Code 3

Slow water fill; water supply is inadequate and the reservoir did not fill within the 5-minute maximum fill…

Prodigy codesProdigy ice maker codes

Slow water fill; water supply is inadequate and the reservoir did not fill within the 5-minute maximum fill time.

First step from the service manual

Check water supply and inlet water solenoid valve.

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

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What 3 means on a Prodigy ice maker

Error code 3 on a Prodigy ice maker indicates a slow water fill condition, meaning the unit's reservoir failed to reach the required water level within the 5-minute maximum fill time allowed by the control system. During normal operation, the ice maker opens the inlet water solenoid valve and monitors the fill progress. If the reservoir does not fill to the target level before the 5-minute timer expires, the control board registers this fault and halts the ice-making cycle to prevent the unit from attempting to produce ice with insufficient water.

The most likely causes center on the incoming water supply or the inlet solenoid valve itself. Inadequate water pressure, a partially closed supply shutoff valve, a kinked or undersized supply line, or a clogged inlet screen can all restrict flow enough to trigger this fault. The inlet water solenoid valve can also develop internal scale buildup or a weakened coil that prevents it from opening fully, further reducing flow rate into the reservoir.

Diagnosis should begin with confirming that the water supply line is fully open and delivering adequate pressure to the unit. Inspect the inlet solenoid valve for debris at the inlet screen and test the valve coil for proper electrical function. If supply pressure and line condition check out, the solenoid valve itself is the primary suspect and may need cleaning or replacement to restore normal fill times.

Source: manufacturer service documentation.

Common causes of 3

  1. 01

    Insufficient water supply pressure

    Wiring / connection

    Low incoming water pressure is the most frequent trigger for this fault. Check that the supply shutoff valve is fully open and that the line pressure is adequate for the unit's requirements.

  2. 02

    Clogged inlet solenoid valve screen

    Wiring / connection

    A debris or mineral scale buildup on the inlet screen of the water solenoid valve restricts flow significantly. Remove and inspect the screen for blockage and clean or replace it as needed.

  3. 03

    Faulty inlet water solenoid valve

    Part replacement

    A solenoid valve with a weakened coil or internal damage may not open fully, reducing flow into the reservoir. If cleaning the screen does not resolve the issue, the valve should be tested electrically and replaced if it is not operating correctly.

  4. 04

    Kinked or undersized supply line

    Part replacement

    A kinked water supply line or a line with an undersized inner diameter can restrict flow below what the machine needs to fill within the allotted time. Inspect the full length of the supply line and replace it if damaged or improperly sized.

  5. 05

    Partially closed supply shutoff valve

    Wiring / connection

    A shutoff valve that is not fully open, either due to accidental partial closure or internal wear, can reduce flow enough to cause a fill timeout. Confirm the valve is turned completely to the open position.

See the test procedure for each cause

Frequently asked questions about 3

What does 3 mean on a Prodigy ice_maker?
Error code 3 on a Prodigy ice maker means the unit experienced a slow water fill condition. The reservoir did not reach the required water level within the 5-minute maximum fill time allowed by the control system. This indicates the water supply to the machine is inadequate or the inlet water solenoid valve is not functioning properly.
How do I fix error code 3 on my Prodigy ice maker?
Start by checking that the water supply shutoff valve is fully open and that the supply line is free of kinks or damage. Next, inspect the inlet solenoid valve's screen for clogs from debris or mineral scale and clean it if necessary. If the supply and screen are both clear but the fault persists, the inlet water solenoid valve may need to be tested and replaced.
Will resetting my Prodigy ice maker clear error code 3?
Resetting the unit may temporarily clear the fault display, but the error will return if the underlying water supply issue is not resolved. The control system will detect another fill timeout during the next ice-making cycle and display the code again. Address the root cause before relying on a reset.
Is error code 3 on a Prodigy ice maker a safety concern?
Error code 3 is not a safety hazard in itself. The unit halts the ice-making cycle when it detects insufficient water fill, which prevents it from running without adequate water. However, leaving the issue unresolved means the machine will not produce ice and prolonged operation attempts could stress the solenoid valve or related components.
How much does it cost to repair error code 3 on a Prodigy ice maker?
If the fix is simply cleaning the inlet screen or fully opening a shutoff valve, there may be little to no parts cost involved. If the inlet water solenoid valve needs replacement, parts and labor combined can typically range from around $75 to $200 or more depending on the specific valve and local labor rates. Getting a diagnosis first helps avoid unnecessary parts replacement.

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