30 Amp Blade
Type Fuse (3-
Way Models Only
AC Power Cord
A
B
DC
Supply Wires
Ignition/Sense
Wire
Mounting Screw
1
2
4
3
+
Grd.
Figure 32
Fuse Replacement Procedure
WARNING A circuit overload can result in an electrical fire when incorrectly sized fuses are used. Follow the fuse
specifications given below:
1. Turn refrigerator off.
2. Disconnect AC power cord from wall
receptacle.
3. Disconnect AC power cord from power
board cover (A) at rear of refrigerator.
4. Disconnect 12 volt DC supply wires from
power board cover.
5. Remove ignition wire/sense wire from
power board cover and pull cover away.
6. Remove three screws which secure power
cover and pull cover away.
7. For 3-Way models, disconnect the supply
wires from the DC module (B) as shown in
Figure 32.
1. Blue wire from power board connects to
terminal #7 of DC module
2. Red wire from power board connects to
terminal #9 of DC module.
3. Black wire connected to refrigerator chas-
sis connects to terminal #8 of DC module.
4. Yellow wire of DC heater connects to
terminal #6 of DC module.
8. Remove two screws which secure DC
module board cover (B) to refrigerator. Pull
cover away from refrigerator.
9. Replace a blown fuse with fuse specified
by Norcold. (See IMPORTANT under illus-
tration or refer to SPECIFICATION sec-
tion.
IMPORTANT
•
Replace blown fuse with fuse specified by Norcold.
•
DC Control Circuit - 3 amp (purple) blade-type automotive
DC Heater Circuit - 30 amp (green) blade-type automotive
AC Circuit - 5 amp glass cartridge
•
Do not operate refrigerator without the power board cover or the
DC module cover.
•
Reattach all wires to same location as they were before removed.
3 Amp Blade
Type Fuse Blade
5 Amp Fuse
Glass Cartridge
34
Summary of Contents for 9162
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