Dometic NDA1402 Service Manual page 6

This service manual will address the most common system problems associated with the NDA 1402 and NDE 1402 refrig-
erators supplied by Dometic, LLC. Our intent is to provide you with a guideline of checks to make, should you encounter
one of the following symptoms.
SYMPTOM
1. No operation - no panel lights
2. No operation - has panel lights
3. No AC operation - operates on gas
mode
4. No Gas operation - operates on AC
mode
5. Insufficient cooling on all modes.
6. Insufficient cooling on AC - cools prop-
erly on gas mode.
CAUSE
Operation
DC Volts
Fuses
Wiring
Front Display Panel
Lower Circuit Board
Operation
DC Volts
Temperature Sensors
Wiring
Lower Circuit Board
Operation
AC Volts
Fuses
Heating Elements
Wiring
Lower Circuit Board
Operation
LP Gas
Manual Gas Valve
Ignition Control Module
High Voltage Cable
Electrode
Solenoid (Gas)
Wiring
Lower Circuit Board
Ventilation
Ventilator Fans
Leveling
Ambient Temperature
Drain Tube
Wall Entrances
Temperature Sensors
Cooling Unit
AC Volts
Heating Elements
Lower Circuit Board
6
SECTION & PAGE
1, page 09
4, page 14
5, page 21
14, page 48
5, page 18
5, page 21
1, page 09
4, page 14
5, page 15
14, page 48
5, page 21
1, page 09
2, page 12
5, page 21
3, page 12
14, page 48
5, page 21
1, page 09
6, page 22
7, page 22
5, page 17
5, page 17
5, page 17
5, page 18
14, page 48
5, page 21
8, page 25
8, page 27
8, page 27
8, page 27
9, page 29
9, page 29
5, page 15
8, page 23
2, page 12
3, page 12
5, page 21