ApplianceField Lab
Intermittent failed-parts case · KitchenAid

Random Fill Events Survived an Ice Maker and Main Board

The freezer flooded in separate, irregular doses. Without observing voltage at the valve during an unwanted fill, a mechanically leaking valve and an unwanted electrical command could not be separated.

KitchenAid kssc48qvs05 Ice Maker Intermittent Overfill
Case snapshot

What the source establishes

  • The ice maker added water in separate portions at irregular intervals.
  • It could remain dry for an hour and then fill several times ten to fifteen minutes apart.
  • Water and ice accumulated throughout the freezer.
  • The main board and ice maker had already been replaced.
  • No technician observed whether voltage was present at the valve during an unwanted fill.

A similar symptom can have a different cause on another appliance or model.

Diagnostic process

How the evidence narrowed the diagnosis

Pattern

The fill intervals were irregular

The machine could wait an hour, then add water several times within minutes.

Failed attempts

Ice maker and main board were already new

The unchanged complaint made another unmeasured board assumption expensive.

Missing distinction

Valve voltage was never captured during the event

That observation would separate an electrical command from a valve that leaks or fails to close.

What the evidence supports

What the evidence supports

The water valve remains a plausible cause, particularly if it seeps without being energized, but the source does not confirm it. The intermittent pattern and failed prior parts make event-time voltage the decisive missing evidence.

What to do next

What should be verified next

Record the exact time and duration of each fill and whether the valve is energized during an unwanted event. A technician can then distinguish a leaking valve from a control or harness command before ordering another board.

Continue with comparable evidence

Cases closest to this diagnosis

Same component Liebherr Ice-Maker Fill Tube Kept Freezing A Liebherr ice-maker fill tube kept freezing. The case separates slow inlet-valve seepage from board, sensor and fill-line defrost branches. Same appliance family GE Café Dispenser Flap Opens When the Lower Door Closes A GE Café dispenser flap opens when a lower door closes. Failed boards and dispenser parts gave way to a confirmed embedded door-switch fault. Same appliance family GE Monogram ZISS480DMAS: 30°F Inside, 60°F on the Display A GE Monogram ZISS480DMAS measured 30°F while displaying 60°F. A new board did not help, leaving sensor stability and signal interpretation to verify.
Water and electrical safety: shut off the water supply if the freezer is flooding. Do not test an energized inlet-valve circuit without qualified service.
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