Viking Freeze-Up / Defrost Drain or Airflow Issue

Ice maker frequently freezes up with thick ice on the evaporator or in the bin

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Possible Causes

Improper ice thickness setting, Restricted drain causing standing water to refreeze, High humidity infiltration from door not sealing, Scale on evaporator

How to Fix / Troubleshooting

Safety first: Unplug the unit before defrosting. Do not use sharp tools to chip ice; this can damage components.

  • Step 1 – Manually defrost: Remove ice from the bin and allow the unit to sit off with the door open until all ice buildup melts. Use towels to catch water.
  • Step 2 – Clear drain: Flush the drain with warm water to ensure it is not restricted.
  • Step 3 – Check door gasket: Inspect the bin door gasket for gaps or tears that allow humid air in. Replace if damaged.
  • Step 4 – Adjust ice thickness: Reduce the ice thickness setting slightly to prevent overly thick slabs that can cause jams and freeze-ups.
  • Step 5 – Descale evaporator: Run a cleaning cycle to remove scale that can cause uneven freezing.

Monitor operation after these steps to ensure freeze-ups do not recur.

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Repair Difficulty

Easy 2/5

Required Part

Door Gasket
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