Marvel Biofilm / Contamination in Water Path

Ice maker emits a foul or musty odor; ice tastes bad.

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Possible Causes

Dirty reservoir, slime or mold in tubing, old water filter (if equipped), stagnant water from infrequent use

How to Fix / Troubleshooting

Steps:

  • Discard all existing ice from the bin.
  • Turn off the ice maker and shut off the water supply.
  • Prepare a cleaning solution using a Marvel‑approved nickel‑safe ice machine cleaner or a mild, food‑safe sanitizer as recommended in the user manual.
  • Remove the ice bin, reservoir cover, and any removable water distribution parts. Soak and scrub them in the cleaning solution, then rinse thoroughly.
  • Wipe down the interior surfaces of the ice compartment with the cleaning solution, then rinse with clean water and dry.
  • If your Marvel model has a water filter, replace it with a new Marvel‑specified filter.
  • Restore water and power, run at least one full cleaning cycle if available, then discard the first batch of ice.
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Repair Difficulty

Very Easy 1/5

Required Part

Water Filter / Reservoir (cleaning)
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