Norcold N61X User Manual

Page of 76
www.norcold.com/cda
7
N6XX/N8XX Models
Refrigerator Service Manual
TROUBLESHOOTING – QUICK REFERENCE GUIDE
Problem
Possible Cause
Checks/Reference
The refrigerator does not cool on 
DC power.
3-Way Units Only
3-Way Units Only
Poor ventilation.
Off-level operation.
DIrty burner.
Low AC voltage.
Cooling fan inoperative.
Improper installation.
Incorrect orifice.
Check fuse F2 (30 amp) in power board.
See page 15.
F2 fuse in power board open.
DC heater failed open.
No  AC power to refrigerator.
F3 fuse in the power board open.
AC heater failed open.
Check LP gas supply and valves.
See page 12.
See page 12.
See page 13.
See page 11.
Check 12 Vdc connections.
Check fuse F1, (5 amp) in power board.
No 12 Vdc  power to refrigerator.
Faulty/loose 12 Vdc connections.
F1 fuse in power board open.
See page 16.
Check fuse F3, (5 amp) in power board.
See page 18.
Ventilation obstructed.
AC voltage low.
Check enclosure for air flow obstructions.
See page 17.
Ventilation obstructed.
DC voltage below 12 volts. 
Check enclosure for obstructed air flow.
Check RV 12 Vdc power supply.
No LP gas.
Incorrect electrode tip-to-burner gap.
Faulty spark/sense electrode assembly.
Flame sensing circuit failure.
Ventilation obstructed.
Incorrect LP gas pressure. 
Dirty burner.
Missing flue baffle.
Heat deflector blocked.
Check enclosure for obstructed air flow.
See page 12.
See page 12.
See page 30.
See page 30.
The refrigerator  does not turn ON.
The refrigerator does not cool on
AC power.
The refrigerator does not cool
efficiently on AC power.
The refrigerator does not operate
on LP gas.
The refrigerator does not cool
efficiently on DC power.
"no" "co" code.
The refrigerator does not
cool efficiently on LP gas.
Check enclosure for obstructed air flow.
See page 37.
See page 31.
See page 34.
See page 35.
See pages 22-26.
See page 29.