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PERIODIC MAINTENANCE
To be performed by a qualied service technician
only.
CHECKING THE CONTROL SYSTEM
Check the control system by connecting/disconnecting the
120 VAC power, starting/stopping the engine, etc.
CHECKING THE CONNECTIONS
1. Check all connections in the LP gas system (at the
back of the refrigerator) for gas leaks. The LP gas
supply must be turned on.
2. Apply an approved leak detection solution to all LP
gas connections. The appearance of bubbles indi-
cates a leak and should be repaired immediately!
DM2652 (OPTIONAL FAN), DM2852 (OPTIONAL
FAN), DM2862 (OPTIONAL FAN) & NDM1062
INLINE FUSE
The inline fuse for the power vent fans is connected to the 12V
DC socket.
To replace the inline fuse, follow these steps:
1. Disconnect 12V DC power.
2. Open the fuse holder.
REPLACING THE FUSES
2-way models are equipped with 2 fuses - one for the refrig-
erator control system and one for the AC heater.
3-way models are equipped with 3 fuses - two fuses in the
power module and one in-line blade fuse.
Control system 3 A
AC heater 5 A
12 VDC heater 30 A
REPLACING THE FUSES
POWER MODULE
To replace the fuses, follow these steps:
1. Turn off the refrigerator and unplug the power cord
and disconnect the 12V wires.
2. Remove the power module cover.
3. Snap the fuse out of the fuse holder and t the new
fuse in to the fuse holder.
4. Put back the power module cover.
MAINTENANCE & SERVICE
EXPLOSION HAZARD. Never use an open ame
to check for gas leaks. Failure to heed this warn-
ing could cause an explosion resulting in death or
severe personal injury.
To remove the refrigerator, follow these steps:
1. Cap the gas supply line.
2. Loosen the screws anchoring the refrigerator to the
enclosure.
3. Slide the refrigerator out of the compartment.
Replacement is the reverse of removal. When reinstalling the
refrigerator, make sure the sealing strips are properly posi-
tioned. Check all connections for gas leaks.
Before removing the refrigerator:
• Verify that the AC and DC voltage leads are disconnected.
• Shut off the gas supply.
• Disconnect the gas supply line at the rear of the refrigerator.
Always use a back up wrench when loosening and tighten-
ing connections.
REFRIGERATOR REMOVAL
3. Replace the fuse.
4. Put the holder back together.
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