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OPERATION ANALYSIS FOR REFRIGERATORS OPERATING ON ELECTRICITY
r
S Y M P T O M
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-
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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.
X
-
x
Not adequate ventilation
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-
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X
-
X
Refrigerating unit not level
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-
-
X
-
X
Heater faulty,wrong voltage or type
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-
-
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X
-
X
Voltage not constant
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-
-
X
-
Electric connections loose
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-
-
-
X
Heater not inserted correctly in its pocket
X
-
-
-
-
X
-
X
Improper food storage
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-
-
-
X
X
X
The thermostat incorrectly used
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-
-
-
X
Improper storage of liquids and moist foods
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-
-
-
X
X
X
Leaky cabinet seals
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-
-
-
-
X
Infrequent cleaning of food compartment
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-
-
X
Refrigerator shut off with closed door
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-
-
-
X
Unwrapped odorous food
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-
-
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X
Incomplete contact of thermostat capillary tube
X
-
-
-
-
X
X
Lost thermostat charge
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-
-
-
-
X
X
Failed refrigerating unit
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-
-
-
-
X
Room temperature too low
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-
-
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C A U S E
16
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