Dc Hi Fault Code—Dc Voltage Low - Norcold 121X Series Service Manual

dc HI Fault Code—DC Voltage Low
The dc HI fault is recorded in all operating modes any time DC voltage input is above 15.4
volts.
The dc HI code displays and is recorded in non volatile memory approximately 25 seconds
after the fault occurs.
Check RV DC power output to refrigerator.
2
Output 10.5 to 15.4 volts?
NO
Correct RV DC power output to refrigerator.
IMPORTANT
1 COLD-
9 COLDEST
Begin
YES
DC voltage more than 15.4 volts?
YES
on
SET TEMP MODE
1 COLD-
9 COLDEST
1
NO
1. Connect a fully charge 12 volt bat-
tery. If the fault code does not display,
check the DC circuit feeding power to
the refrigerator.
2. If the fault code displays with the
fully charged battery connected,
replace the power board.
ON/OFF
1. Check diagnostic fault history Screen 4
for low DC recorded history.
2. Clear history using diagnostic Screen 6.
3. Recheck diagnostic Screen 4 for high
DC recorded history.
S
ection
23
3