Maintenance & Service - Dometic RM2451 Operating Instructions Manual

MAINTENANCE & SERVICE
To keep the refrigerator working properly, a quali-
fied service technician should, at least once a year,
inspect the connections, the control system, the LP
gas pressure and flue baffle.
FIRE AND INHALATION HAZARD. If the re-
frigerator stops working -or- if it emits an am-
monia smell, immediately turn the refrigerator
off, leave the vicinity, and contact a Service
Center.
A high concentration of ammonia refriger-
ant could cause an inhalation hazard, could
cause chemical burns to the skin and eyes,
and could cause a fire resulting in death or
serious injury.
REPLACING THE FUSES
2-way models are equipped with 2 fuses - one for the
refrigerator 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 fit the
new fuse in to the fuse holder.
4. Put back the power module cover.
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.
3. Replace the fuse.
4. Put the holder back together.
PERIODIC MAINTENANCE
To be performed by a qualified service technician
only.
CHECKING THE LP GAS 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 bub-
bles indicates a leak and should be repaired im-
mediately!
FIRE OR EXPLOSION HAZARD. Never use an
open flame to check for gas leaks. Failure to
obey this warning could cause a fire or explo-
sion resulting in death or serious injury.
CHECKING THE CONTROL SYSTEM
Check the control system by connecting/disconnecting the
120 VAC power, starting/stopping the engine, etc.
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