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Error code reference

Prodigy Ice Maker Error Code 2

Maximum harvest time exceeded; flashing means retrying, steady means shutdown after 3 consecutive failures.

Prodigy codesProdigy ice maker codes

Maximum harvest time exceeded; flashing means retrying, steady means shutdown after 3 consecutive failures.

First step from the service manual

Check ice making section for lime scale build up, check condenser bypass valve, vapor inlet valve, headmaster, curtain switch, inlet water valve for leak through, and ice delivery chute for obstruction.

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

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What 2 means on a Prodigy ice maker

Error code 2 on a Prodigy ice maker indicates that the harvest cycle has exceeded its maximum allowable time limit. During normal operation, the machine cycles through a freeze phase and a harvest phase, with the harvest phase requiring the ice slab to release from the evaporator plate within a defined time window. When that window is exceeded, the control board logs the failure and triggers code 2. A flashing code 2 means the machine is actively retrying the harvest cycle, while a steady code 2 indicates the machine has shut down after three consecutive harvest failures.

The most common root cause of this error is lime scale accumulation on the evaporator plate or in the ice making section. Scale buildup acts as an insulating barrier between the refrigerant and the water, slowing ice formation and release. Beyond scale, the condenser bypass valve, vapor inlet valve, and headmaster are all refrigeration-side components that directly affect how efficiently heat is moved through the system during harvest. A faulty or stuck condenser bypass valve can prevent hot gas from reaching the evaporator quickly enough to release the ice slab in time.

On the water and mechanical side, a leaking inlet water valve can allow water to trickle onto the evaporator during harvest, refreezing the slab and extending harvest time. A malfunctioning or misaligned curtain switch may cause the controller to misread the harvest cycle status. An obstructed ice delivery chute can physically block ice from dropping, keeping the harvest cycle open indefinitely. All of these components should be inspected systematically before condemning any single part.

Source: manufacturer service documentation.

Common causes of 2

  1. 01

    Lime scale buildup on the evaporator

    Wiring / connection

    Mineral deposits accumulate on the evaporator plate over time, reducing heat transfer efficiency and preventing ice from releasing cleanly during harvest. Inspect the evaporator surface for white or grey scale deposits and check when the machine was last cleaned with an approved ice machine cleaner.

  2. 02

    Faulty or stuck condenser bypass valve

    Part replacement

    The condenser bypass valve routes hot gas to the evaporator during harvest to loosen the ice slab. If this valve sticks or fails to open fully, the harvest phase will run long or fail entirely.

  3. 03

    Leaking inlet water valve

    Part replacement

    An inlet water valve that does not fully close can allow water to seep onto the evaporator plate during the harvest cycle, partially refreezing the slab and extending harvest time beyond the allowable limit. Check for water dripping onto the evaporator when the valve should be closed.

  4. 04

    Vapor inlet valve or headmaster issue

    Part replacement

    The vapor inlet valve and headmaster regulate refrigerant flow during the harvest cycle. A malfunctioning headmaster or vapor inlet valve can result in insufficient hot gas delivery to the evaporator, slowing or preventing ice release.

  5. 05

    Ice delivery chute obstruction or curtain switch fault

    Wiring / connection

    A physical blockage in the ice delivery chute can prevent harvested ice from dropping, keeping the cycle active past its time limit. A misaligned or defective curtain switch may also cause the controller to receive incorrect cycle status signals, triggering a false harvest timeout.

See the test procedure for each cause

Frequently asked questions about 2

What does 2 mean on a Prodigy ice_maker?
Error code 2 means the machine exceeded its maximum allowed harvest time during the ice release cycle. A flashing code 2 means the unit is retrying the harvest cycle on its own. A steady code 2 means the machine has shut down after three consecutive harvest failures and will not resume making ice until the underlying problem is corrected.
How do I fix error code 2 on my Prodigy ice maker?
Start by inspecting the ice making section for lime scale buildup, which is the most common cause and can often be resolved with a thorough cleaning using an approved ice machine cleaner. Then check the condenser bypass valve, vapor inlet valve, and headmaster for proper refrigerant-side operation. Also verify the inlet water valve is not leaking through when closed, confirm the curtain switch is aligned and functional, and clear any obstructions from the ice delivery chute.
Is it safe to keep using my Prodigy ice maker when code 2 is showing?
If the code is flashing, the machine is still attempting to operate, but continued use without addressing the root cause can stress refrigeration components. If the code is steady, the machine has already shut itself down as a protective measure. It is best to stop using the unit and diagnose the issue before resuming operation to avoid further component damage.
Will resetting my Prodigy ice maker clear error code 2?
A reset may temporarily clear the error and allow the machine to attempt harvest cycles again, but if the underlying cause is not corrected, the machine will repeat the same failures and return to a steady code 2 shutdown after three more consecutive harvest timeouts. The error will keep returning until the root cause is identified and repaired.
How much does it cost to repair error code 2 on a Prodigy ice maker?
Repair costs vary widely depending on the cause. If lime scale is the issue, a professional cleaning service typically runs between $75 and $150. Replacing a faulty valve such as the inlet water valve, vapor inlet valve, or condenser bypass valve generally costs between $150 and $400 including parts and labor. Headmaster replacement or refrigeration-side repairs can run higher, often in the $300 to $600 range depending on the technician and parts availability.

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