PROBLEM POSSIBLE CAUSE TEST PROCEDURE-ACTION
Internal Sweating Abnormal usage Instruct customer to cover foods and
liquids.
Door Seal Adjust door for proper seal.
Insufficient air circulation Make sure return air flow is not
restricted.
Increase cold air flow by operating
refrigerator compartment as cold as
possible without freezing food.
Incomplete defrosting or Limit switch Check bimetal defrost control. If
high cabinet tempera- bimetal opens too soon defrost will
tures during defrost . be incomplete and frost will accumulate.
If bimetal is stuck closed or opens too
late, high cabinet temperature will
result. A loose bimetal may cause the
defrost heater to stay on too long.
Change bimetal if defective.
Timer
Check timer for proper operation. Timer
should initiate 21 minute defrost cycle
every 10 hours. Replace if defective.
Defrost Heater Check defrost heater with ohmmeter.
Inoperative defrost heater will result in
frost and ice accumulation on
evaporator. Replace if defective.
Drain clogged Clogged drain may result in ice buildup
in evaporator. Clear drain system.
Taste and odor Odorous food Instruct customer to keep food covered
and clean refrigerator and freezer with
solution of baking soda and water.
Explain how odor and taste of food in
refrigerator can be absorbed by ice
cubes
in freezer due to internal air circulation.
Hot plastic
Check for a heater in contact with
plastic
or sealing compound, which may cause
odor.
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