Rm7030/rm7732 diagnostic flow chart – Dometic RM7732 User Manual

Page 4

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DIAGNOSTIC SERVICE MANUAL

DOMETIC® RM7030/RM7732

Refrigerators

This program will address the most common system problems associated with the Dometic RM7030/RM7732

refrigerators supplied by The Dometic Corporation. Our intent is to provide you with a guideline of checks to make,

should you encounter one of the following symptoms.

1. No operation – no panel lights

2. No operation – has panel lights

3. Operating OK – no panel lights

4. No AC operation – operates on gas

5. No Gas operation – operates on AC

6. Insufficient cooling on all modes.

7.

Insufficient cooling on AC – cools properly

on gas.

REFRIGERATOR SECTION

RM7030 REFRIGERATOR SECTION:

Product No. 921890201 & 921890301

SYMPTOM

CAUSE REFER TO STEP

Operation

1.1

A

DC Volts

4

A

Fuse

5.7

A

Wiring

8.1, 8.2

Upper Circuit Board

5.8

A

Lower Circuit Board

5.9

A,D

Operation

1.1

A

Thermostat

5.1

Upper Circuit Board

5.8

A

Solenoid

5.4

A

Wiring

8.2

Lower Circuit Board

5.9

B,C,D

DC Volts

4

A

Wiring

8.2

Upper Circuit Board

5.8

B through I

Lower Circuit Board

5.9

D

Operation

1.1

A

AC Volts

2

Heating Element

3

Upper Circuit Board

5.8

B,C

Wiring

8.2

Thermostat

5.1

Lower Circuit Board

5.9

B

Operation

1.1

A

LP Gas

6

Manual Gas Valve

7.1

Igniter

5.5

A

High Voltage Cable

5.6

A

Electrode

5.11

Solenoid

5.4

A

Upper Circuit Board

5.8

B,D,E

Wiring

8.2

Lower Circuit Board

5.9

C

Ventilation

9.2

Leveling

9.1

Ambient Temperature

9.5

Air Leaks

9.3

Thermostat

5.1

Cooling Unit

9.6

AC Volts

2

Heating Element

3

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