De Dietrich Air Infiltration or Defrost Failure

Excessive frost buildup inside ice compartment and on door

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Damaged door gasket, Door frequently left ajar, Defective defrost thermostat, Failed defrost heater

Safety first: Unplug the unit before defrosting or accessing heaters.

Steps:

Manual defrost: Remove ice bin and allow all frost to melt. Use towels to collect water.
Inspect gasket and door closure: Replace the door gasket if it does not seal properly.
Check defrost components: Test the defrost thermostat and defrost/harvest heater for continuity. Replace if open.

Medium 3/5

Defrost Thermostat

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