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16
OPERATION ANALYSIS FOR REFRIGERATORS OPERATING ON ELECTRICITY
r
SYMPTOM
2
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272
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CAUSE
Note: It will be noted in this tabulation that
several causes
can
be responsible for the one
effect. The real cause or causes should be deter-
mined by a process of elimination, investigating
each possible cause,starting at the top of the
tabulation and proceeding to the bottom.
Not adequate ventilation
Refrigerating unit not level
Heater
faulty,wrong
voltage or type
Voltage not constant
Electric connections loose
Heater not inserted correctly in its pocket
Improper food storage
The thermostat incorrectly used
Improper storage of liquids and moist foods
Leaky cabinet seals
Infrequent cleaning of food compartment
Refrigerator shut off with closed door
Unwrapped odorous food
Incomplete contact of thermostat capillary tube
Lost thermostat charge
Failed refrigerating unit
Room temperature too low