EdgeStar Contaminated Water Path / Biofilm or Scale Buildup

EdgeStar ice maker produces ice with a bad taste or odor.

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Possible Causes

Dirty reservoir and water lines, Old or stagnant water in system, Contaminated water supply

How to Fix / Troubleshooting

Safety first: Unplug the unit and shut off water before cleaning. Do not mix cleaning chemicals.

  • Discard old ice: Empty the ice bin completely and discard any ice with off-odors.
  • Clean the interior: Wash the bin, reservoir, and accessible water-contact surfaces with a mild dish soap solution, then rinse thoroughly.
  • Descale if needed: Use an ice maker-safe descaling solution per EdgeStar instructions to remove mineral buildup from the evaporator and water lines.
  • Flush the system: After cleaning, run at least 2–3 full ice cycles and discard the ice to flush any residual cleaner.
  • Check water source: If taste issues persist, consider adding a water filter upstream or using a different water source.
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Repair Difficulty

Easy 2/5

Required Part

Ice Maker Cleaning / Descaling Solution
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