Maintenance & Service - Dometic RM2351 Installation & Operating Instructions Manual

MAINTENANCE & SERVICE
To keep the refrigerator working properly,
a qualifi ed service technician should, at least
once a year, inspect the connections, the control
system, the LP gas pressure and fl ue baffl e.
The service and maintenance described in this
section is to be performed by service personnel
only!
ELECTRIC EQUIPMENT
Heater
The heat necessary for the operation of an absorption cooling
unit is supplied by an electric heater mounted in a pocket of the
boiler system.
2-way models are equipped with one electrical heater for
120 V AC.
3-way models are equipped with two electrical heaters - one for
120V AC and one for 12V DC.
Replacing the heater
To replace the heater, follow these steps:
1. Turn off the refrigerator.
2. Unplug the power cord and disconnect the
12V DC power.
3. Remove the power module cover.
4. Disconnect the heater leads.
5. With a pair of pliers, unfold the lug holding the lid
of the boiler casing. Open the lid.
6. Remove some insulation wool for the heater to be
accessible.
7. Turn and lift the heater out of its pocket.
8. Fit the new heater into the pocket.
9. Connect the leads and refi t the power module cover.
10. Put back the insulation wool.
11. Close the lid of the boiler.
6
!
If your refrigerator stops cooling, immediately
turn the refrigerator off and see a Dometic
dealer.
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
AC heater
12 V DC heater 30 A
Replacing the fuses
Power module
To replace the fuses, follow these steps:
1. Turn off the refrigerator.
2. Unplug the power cord and disconnect the
12V wires.
3. Remove the power module cover.
4. Snap the fuse out of the fuse holder.
5. Fit the new fuse in to the fuse holder.
6. Put back the power module cover.
DM2652 ( DM2652 (
WITH OPTIONAL FAN WITH OPTIONAL FAN
DM2862 ( DM2862 (
WITH OPTIONAL WITH OPTIONAL FAN
Inline fuse
The 3 A inline fuse for the power vent fans is connected to the
12V DC socket. To replace the inline fuse, follow these steps:
1. Disconnect 12
2. Open the fuse holder.
3. Replace the fuse.
4. Put the holder back together.
- 21 -
CAUTION
3 A
5 A
), DM2852 ( ), DM2852 (
WITH OPTIONAL FAN) WITH OPTIONAL FAN)
), NDM1062 & NDR1292 ), NDM1062 & NDR1292
FAN
V DC power.
, ,