16
OPERATION ANALYSIS FOR REFRIGERATORS OPERATING ON ELECTRICITY
rS Y M P T O M |
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| Note: It will be noted in this tabulation that | |||
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| 5 | several causes can be responsible for the one | |||||
0 | 0 |
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| ii! | .rl | effect. The real cause or causes should be deter- | ||||
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u | “d | .d | ls | ” | mined by a process of elimination, investigating | |||
z | g | 2 | w | 4 | ||||
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| each possible cause, starting at the top of the | ||||||
zl | z | s | % | .d | ||||
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L! | 5 | .rl | 2 | tabulation and proceeding to the bottom. | ||||
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.?I | ‘;1 | it | &J | t.4 |
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ICI | 2 | 8 |
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d | d | iz | 0” |
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| x | X | - |
| Not adequate | ventilation | ||
| - | - | - |
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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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| X | X | - |
| Voltage | not constant | ||
| - | - | - |
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| X | - | - | Electric | connections loose | ||
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| X | X |
| - | Heater not inserted correctly in its pocket | |||
- | - | - | - |
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| 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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XInfrequent cleaning of food compartment
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XRefrigerator shut off with closed door
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XUnwrapped odorous food
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X- X - Incomplete contact of thermostat capillary tube
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XLost thermostat charge
-X - -
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| Failed refrigerating unit |
- | - | - - | - |
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| - | Room temperature too low |
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