Fault Code - "No" "Ac" With Audible Alarm - Norcold Polar 10 Series Service Manual

Troubleshooting - N10LX AND NA10LX Models, cont'd.

Fault Code - "no" "AC" with Audible Alarm

Before starting this procedure:
■ Make sure that no other problems exist with the vehicle's AC
power supply.
■ Make sure no other appliances or lighting circuits are connected
to the refrigerator AC circuit.
■ Make sure that no extension cords are being used to supply AC
power to the refrigerator.
Measure voltage at AC power
cord connection of the
main control board (power
board).
Check condition of F2 fuse
on main control board
(power board).
Check that fuse holder clips
are making full contact with
fuse.
NOR000714A
www.norcold.com
NO
1. Check AC power input from RV to unit.
108 to 132
2. Check for faulty AC power cord.
VAC?
YES
NO
Replace fuse. Use a 5 amp,
F2 fuse okay?
AGC type fuse.
YES
NO
Adjust clips to ensure fuse contacts are
Clips okay?
firm in clips and making full contact.
YES
Replace main control board assembly
(power board assembly).
19
CODE CODE CODE CODE
Alternately flashes "no" and "AC"
with an audible alarm.
Possible Cause:
There is no AC power to the refrigerator.
1
/ " x 1 1 / "
4
4
SERVICE MANUAL