GE FUM21 Owner's Manual & Installation Instructions page 15

Before you call for service...
Problem
Bubbling or gurgling
sound, like boiling water
Moisture forms on inside
freezer walls
Odors in freezer
Possible Causes
Refrigerant (used to cool freezer)
is circulating throughout the
system.
Weather is hot and humid,
which increases internal rate of
frost buildup.
Door may not be seating
properly.
Door is kept open too long, or is
opened too frequently.
Interior needs to be cleaned.
Foods with strong odors are in
the freezer.
What To Do
This is normal.
This is normal.
See
Open the door less often.
Clean interior with sponge, warm water and baking soda.
Cover the food tightly.
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