Fig. 15 - Dc Circuit Wiring Diagram - Norcold 3163 Service Manual

Troubleshooting, cont'd.
Test B, cont'd - Does Not Work on DC
Is selector
YES
switch set to
DC?
NO
Set selector
switch to DC
and start
refrigerator.
DC Voltage: 11.5 - 15.4 VDC
Refrigerator Service Manual / Manuel d'entretien du réfrigérateur / Manual de servicio del refrigerador
Refrigerator Will Not Operate on DC Electric
Is circuit breaker
NO
tripped or fuse
blown? (DC to
refrigerator)
YES
Reset circuit
breaker/replace
fuse & start
refrigerator.
YES
Replace DC
heater.
Speci cations
Current Draw: 11.7 - 13.6 amps
Fig. 15
- DC Circuit Wiring Diagram
Are there loose NO
wire
connections?
YES
Repair loose
connections and
start refrigerator.
Is 12 VDC at
YES
output of
selector switch?
NO
Replace
selector switch
& start
refrigerator.
Heater Resistance: .95 - 1.05 ohms
Is 12 VDC at YES
terminal block?
NO
Correct DC to
terminal block &
start refrigerator
11.5 VDC min.
Is 12 VDC at YES
input of selector
switch?
NO
Correct DC
source to
switch.
3163 Models / Modèles 3163 / Modelos 3163
YES
Is 12 VDC to
input of 20
amp fuse?
NO
Correct DC
source to fuse.
Is 12 VDC at
output of fuse
NO
Replace 20
amp fuse.
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