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DIAGNOSTIC SERVICE MANUAL

DIAGNOSTIC SERVICE MANUAL

DIAGNOSTIC SERVICE MANUAL

DIAGNOSTIC SERVICE MANUAL

DIAGNOSTIC SERVICE MANUAL

Dometic

Dometic

Dometic

Dometic

Dometic

®  

®  

®  

®  

®  

RM3604/3804 AES

RM3604/3804 AES

RM3604/3804 AES

RM3604/3804 AES

RM3604/3804 AES

®

®

®

®

®

Refrigerators

Refrigerators

Refrigerators

Refrigerators

Refrigerators

CONTINUITY should be indicated between
the brown terminal to the red terminal on the
10-pin connector.

BROWN

RED

10 PIN

YELLOW

GREEN

10 PIN

RED

BLUE

10 Pin

7 Pin

NO continuity should be indicated between
the yellow terminal to the green terminal
on the 10-pin connector.

NO continuity should be indicated
between the red terminal on the 10-
pin connector to the blue terminal
on the 7-pin connector.

With the switch in the "OFF"

With the switch in the "OFF"

With the switch in the "OFF"

With the switch in the "OFF"

With the switch in the "OFF"
position:

position:

position:

position:

position:

CONTINUITY should be indicated
between the yellow terminal to the green
terminal on the 10-pin connector.

YELLOW

GREEN

10 PIN

RED

BLUE

10 Pin

7 Pin

CONTINUITY should be indicated
between the red terminal on the 10-
pin connector to the blue terminal on
the 7-pin connector.

NO continuity should be indicated
between the orange terminal to the
yellow terminal on the 10-pin connector.

NO continuity should be indicated between the
brown terminal to the red terminal on the 10-
pin connector.

NOTE: If any of these checks on the ON–OFF
switch is not correct, verify the wire harness
has continuity. If the wire harness is good,
replace the upper circuit board.

BROWN

RED

10 PIN

ORANGE

YELLOW

10 PIN

2. AES FUNCTION SWITCH

AES FUNCTION SWITCH

AES FUNCTION SWITCH

AES FUNCTION SWITCH

AES FUNCTION SWITCH
NOTE

NOTE

NOTE

NOTE

NOTE: The following checks should be made on the
upper circuit board and harness assembly BEFORE
replacing the upper circuit board or wiring harness.
The checks are to be done with the wiring harness
REMOVED from the lower circuit board, and the ON-
OFF switch turned to "ON".

With the AES function switch manually

With the AES function switch manually

With the AES function switch manually

With the AES function switch manually

With the AES function switch manually
depressed

depressed

depressed

depressed

depressed:
CONTINUITY should be indicated
between the blue terminal and the
black terminal on the 7-pin connector.

With the AES function switch NOT

With the AES function switch NOT

With the AES function switch NOT

With the AES function switch NOT

With the AES function switch NOT
depressed

depressed

depressed

depressed

depressed:
NO continuity should be indicated
between the blue and black terminals
on the 7-pin connector.

NOTE

NOTE

NOTE

NOTE

NOTE: If the check on AES function switch is not
correct, verify the wire harness has continuity. If wire
harness is good, replace the upper circuit board.

3. AES FUNCTION LAMP

AES FUNCTION LAMP

AES FUNCTION LAMP

AES FUNCTION LAMP

AES FUNCTION LAMP
NOTE

NOTE

NOTE

NOTE

NOTE: The following checks should be made on the
upper circuit board and harness assembly BEFORE
replacing the upper circuit board or wiring harness.
These checks are to be done with the wiring harness
REMOVED from the lower circuit
board and the ON–OFF switch
turned to "ON".

Measure resistance between the
brown terminal on the 7-pin
connector (positive [+] lead from
meter) to the brown terminal on
the 10-pin connector (negative
[–] lead from meter). The proper resistance is
approximately 26,000 ohms.

NOTE

NOTE

NOTE

NOTE

NOTE: If the check on the AES function lamp is not
correct, verify the wire harness has continuity. If wire
harness is good, replace the upper circuit board.

4. AC/GAS FUNCTION SWITCH (Only on 3-Way

AC/GAS FUNCTION SWITCH (Only on 3-Way

AC/GAS FUNCTION SWITCH (Only on 3-Way

AC/GAS FUNCTION SWITCH (Only on 3-Way

AC/GAS FUNCTION SWITCH (Only on 3-Way
Models)

Models)

Models)

Models)

Models):
NOTE

NOTE

NOTE

NOTE

NOTE: The following checks should be made on the
upper circuit board and harness assembly BEFORE
replacing the upper circuit board or wiring harness.
The checks are to be done with the wiring harness
REMOVED from the lower circuit board, and the
ON–OFF switch turned to "ON".

BROWN

BROWN

10 Pin

7 Pin

BLACK

BLUE

7 Pin

Summary of Contents for RM3604

Page 1: ...Foreword Foreword This service manual is the result of the dedication of The Dometic Corporation and its engineers in giving service people the necessary instruction for making accurate analyses of c...

Page 2: ...it Board Switch Card 4 1 1 Fuse 9 SECTION 5 LP GAS REQUIREMENTS _ _ 10 SECTION 6 LP GAS COMPONENTS 6 1 Manual Shut Off Valve _ _ _ _ 10 6 2 Orifice 10 6 3 Thermocouple ___ _ _ __ __ _ _ 10 6 4 Burner...

Page 3: ...Upper Circuit Board 4 9 2 12 Circuit Board 4 10 5 AC Volts 1 Heating Element 2 Upper Circuit Board 4 9 2 5 Wiring 7 2 Thermostat 4 2 Circuit Board 4 10 2 DC Volts 3 1 Heating Element 4 1 Upper Circuit...

Page 4: ...14 Flame failure light after 3 minutes 15 Interior Light ON when door is closed 16 Rapid formation of frost AC Volts 1 Heating Element 2 DC Volts 3 Heating Element 4 1 Wiring 7 2 LP gas 5 1 Orifice 6...

Page 5: ...Maximum fuse size 25 amp for RM3604 and RM3804 3 PRONG PLUG FOR 120V AC FUSE LINK 3AMP MANUAL GAS SHUTOFF VALVE IGN LOCK COVER TERMINAL BLOCK With the refrigerator operating on AC or gas mode if volta...

Page 6: ...With the igniter producing spark connect meter leads to L and ground terminals on the igniter with the meter set on 20 volts DC range or lower The meter should read a pulsating voltage If not replace...

Page 7: ...ld be off When the refrigerator door is open the switch is closed interior light should be on Check that the switch assembly is properly aligned and that it is not broken Check the switch assembly for...

Page 8: ...turned to ON With the AES function switch manually With the AES function switch manually With the AES function switch manually With the AES function switch manually With the AES function switch manual...

Page 9: ...ion switch With the gas function switch With the gas function switch With the gas function switch With the gas function switch NOT depressed NOT depressed NOT depressed NOT depressed NOT depressed A r...

Page 10: ...amp and Switch NOTE The following checks should be made on the upper circuit board and harness assembly BEFORE replacing the upper circuit board or wiring harness The checks are to be done with the wi...

Page 11: ...from meter If no voltage is present replace the circuit board If voltage is present the circuit board is NOT defective do not replace BLACK 6 Pin RED 6 Pin 4 THESE PROCEDURES MUST BE FOLLOWED IN SEQUE...

Page 12: ...for a few moments while depressing the safety valve Remove the flame and release the safety valve The valve should hold for at least 30 seconds If it does not hold the safety valve open for 30 second...

Page 13: ...te capacity to avoid voltage drop The wire gauge should be chosen with consideration to the wire length in accordance with the Table below MAXIMUM CONDUCTOR WIRE LENGTH IN FEET MAXIMUM CONDUCTOR WIRE...

Page 14: ...F CIRCUIT BOARD TERMINALBLOCK HEATER CONNECTOR MAIN SWITCH DOOR SWITCH LIGHT THERMOSTAT GAS VALVE COIL THERMOCOUPLE REIGNITER TIME FUSE 3 3 15 AMP GAS FLAME WARN LAMP GAS FUNCTION SWITCH GAS FUNCTION...

Page 15: ...eve proper air flow All potential dead air pockets should be blocked or baffled to insure that heat won t be trapped in these spaces and reduce efficiency In addition the cooling unit should be at lea...

Page 16: ...tainers of water Next supply 115 volts direct to the AC heating element and operate for at least 12 hours Then check the temperature on the thermometer It should be at 45 degrees or lower depending on...

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