Refrigerator Will Not Operate on DC Electric
Is selector switch set to DC?
NO
Set selector switch to DC and start refrigerator.
YES
Is circuit breaker | NO | |
tripped or fuse |
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blown? (DC |
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to refrigerator) |
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| YES |
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Reset circuit |
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breaker/replace |
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fuse & start |
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refrigerator. |
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Replace | YES |
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DC heater. |
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Are there | NO |
loose wire |
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connections? |
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YES
Repair loose connections and start refrigerator.
Is 12 VDC at | YES |
output of 
selector switch?
Is 12 VDC at | YES |
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terminal block? |
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NO
Correct DC to
terminal block & start refrigerator 11.5 VDC min..
Is 12 VDC at | YES |
input of 
selector switch?
Is 12 VDC to
input of 20 amp fuse?
NO
Correct DC
source to fuse.
Is 12 VDC at
output of fuse?
YES |
| NO |
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| NO |
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| NO |
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Replace |
| Correct DC |
| Replace 20 | |||
selector switch |
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| source |
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& start |
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| amp fuse. | ||||
| to switch. |
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refrigerator. |
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Specifications
DC Voltage: 11.5 - 15.4 VDC | Current Draw: 11.7 - 13.6 amps | Heater Resistance: .95 - 1.05 ohms |
12
