8
www.norcold.com
DE105
Troubleshooting Test A - Battery Protection
Cut-Out
Before starting this procedure:
■ Make sure the DC supply voltage to the refrigerator is correct:
■ at 12 VDC - 10.9 to 17.0 volts.
■ at 24 VDC - 22.7 to 31.5 volts.
■ If the DC supply voltage to the refrigerator is between 17.0
VDC and 22.7 VDC, the refrigerator will NOT operate.
■ Make sure no other appliance or lighting circuit is connected to
the refrigerator DC circuit.
NOR000872A
Is DC
voltage OK?
Repair / correct DC supply voltage.
Test refrigerator.
NO
Turn thermostat to the
coldest “5” setting.
Is the
fuse good?
NO
YES
Replace fuse. Test refrigerator.
Remove refrigerator from
enclosure, but do not
disconnect DC power cord.
Inspect the 15A fuse. One
may be in the refrigerator
wire harness as well as the
vehicle.
Check DC voltage at
DC power cord.
Check DC voltage at
DC socket.
YES
Continued on next page.
One (1) Flash
Possible Cause:
The voltage is outside the cut out set-
ting.
TROUBLESHOOTING
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