Summit CF12L Instruction Manual page 10

Moisture forms on inner freezer walls.
Moisture forms on outside of freezer.
The door will not close properly.
Weather is hot and humid, increasing internal rate
of frost build-up. This is normal.
Door is slightly open.
Door is kept open too long, or is opened too
frequently. Open the door less often.
The door is not sealed properly.
Door is slightly open, causing cold air from inside
the freezer to meet warm moist air from
outside.
The freezer is not level.
The gasket is dirty.
The storage basket is out of position.
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