Refri G Erator Will Not Operate On Dc - Norcold 3163 Service Manual

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