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Dometic DMR702 Service Manual
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12
EN
General Information
Americana and New Gener
ation Refriger
ators
4.3
Component Locations
This section provides the gener
al component locations
for each refriger
ator model. A
ctual model component
locations may vary
.
g
d
s
q
u
t
e
o
i
;
t
w
k
l
a
f
y
r
j
h
1
Americana Model Component Locations
q
Ice Mak
er
y
Thermistor
s
Heating Element
j
Orifice
w
Communication Wire Harnes
s
u
Interior Light
d
Flue Baffle
k
Gas V
alve
e
Upper Control Module
i
V
entilator Fan/Swit
ch
f
Thermocouple
l
Thermal Fuse
r
Door Hinge
o
Cooling Unit
g
Burner Assembly
;
Lower Control Module
t
Doors
a
Thermo Fuse
h
Electrode
2)
W
ater V
alve (not shown)
11
13
Table of Contents
Table of Contents
2
1 Explanation of Symbols and Safety
3
Instructions
3
Recognize Safety Information
3
Understand Signal Words
3
Supplemental Directives
3
General Safety Messages
4
2 Intended Use
5
3 Troubleshooting
5
General Information Diagnostics Table
9
4 General Information
9
Tools and Materials
9
Model Identification
9
Component Locations
12
Terminology
14
5 Wiring Diagrams
15
6 Diagnostic Procedures
16
Burner Assembly
16
Climate Control Heater
16
Communication Wire Harness
16
Cooling Unit
17
Door Flapper (RM1350 Model Only)
17
Door Hinge
17
Doors
18
Electrode
18
Re-Igniter
18
Relay (RM1350 Model Only)
18
Flue Baffle
19
Gas Valve
19
Heating Element
19
Ice Maker
20
Interior Light
20
Lower Control Module
21
Orifice
22
Thermal Fuse
22
Thermistor
23
Thermocouple (Older Americana Models Only)
23
Thermofuse
23
Upper Control Module
24
Ventilator Fan/Switch
24
Water Valve
24
Error-Based Diagnostics
25
7 Installation Issues
27
Power Issues
28
Gas Pressure Issues
28
Installation Issues
28
Ambient Temperature Issues
29
Humidity Issues
29
Altitude Issues
29
RF Interference Issues
29
8 Service Procedures
29
Removing the Refrigerator from an Enclosure
30
Performing a Gas Leak Test
30
Replacing the Burner Assembly
30
Resistance
31
Testing the Cooling Unit in Bypass Mode
31
Replacing the Cooling Unit
31
Testing the Communication Wire Harness for Continuity
32
Replacing the Communication Harness
32
Testing a Lower Control Module Fuse for Continuity
33
Replacing the Lower Control Module
33
Replacing the Door
34
Testing the Door Gasket
34
Repairing the Door Gasket
35
Adjusting the Door Flapper
35
Model Only)
35
Replacing the Door Hinge
36
Adjusting the Position of the Electrode
36
Replacing the Electrode
37
Replacing the Flue Baffle
37
Testing the Gas Valve for Resistance
38
Replacing the Gas Valve
38
Testing the Heating Element for Resistance
39
Replacing the Heating Element
39
Bypassing the Ice Maker
40
Replacing the Ice Maker
40
Testing the Interior Light Switch for Continuity
41
Replacing the Interior Light
41
Replacing the Orifice
42
Replacing the Re-Igniter
42
Testing the Relay for Continuity
43
Model Only)
43
Replacing the Relay (RM1350 Model Only)
43
Testing the Thermal Fuse for Continuity
44
Replacing the Thermal Fuse
44
Testing the Thermistor for Resistance
45
Testing the Thermistor for Continuity
45
Replacing the Thermistor
45
Replacing the Thermocouple
46
(Americana Models Only)
46
Testing the Thermo Fuse for Continuity
46
Models Only)
47
Replacing the Thermo Fuse
47
Testing the Thermofuse for Continuity (New Generation Models Only)
47
Models Only)
48
Replacing the Thermofuse
48
Replacing the Upper Control Module
48
Replacing the Ventilator Fan
48
Replacing the Ventilator Fan Switch
49
Testing the Water Valve for Resistance
49
Replacing the Water Valve
50
9 Disposal
50
10 Replacement Parts
50
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Dometic DMR702 Specifications
General
Brand
Dometic
Model
DMR702
Category
Refrigerator
Language
English
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