Norcold N510 - TROUBLESHOOTING; Quick Reference Guide

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NOT FOR PUBLIC RELEASE
6
www.norcold.com/cda
N500/N510 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
Check fuse.
Check heater resistance and continuity.
F2 fuse or dc heater inline fuse open.
DC heater failed open.
No ac power to refrigerator.
F3 fuse or ac heater inline fuse open.
AC heater failed open.
Check LP gas supply and valves.
Set electrode to 3/16 in.
Replace spark/sense electrode. See page 41.
Replace power board (N510). See page 43.
See page 13 (N510).
Check 12 Vdc connections.
Check fuse (N510).
No 12 Vdc power to refrigerator.
Faulty/loose 12 Vdc connections.
F1 fuse in power board open.
See page 9 (N500).
Check fuse.
Check heater resistance and continuity.
Ventilation obstructed.
AC voltage low.
Check enclosure for air flow obstructions.
Check ac voltage input.
Ventilation obstructed.
DC voltage below 12 volts.
Check enclosure for obstructed air flow.
Check dc power input.
No LP gas.
Incorrect electrode-to-burner gap.
Faulty spark/sense electrode assembly.
Flame sensing circuit failure.
Ventilation obstructed.
Incorrect LP gas pressure.
Dirty burner.
Missing flue baffle.
Flue cap blocked.
Check enclosure for obstructed air flow.
Set gas pressure to 10.5 to 11.5 in. w.c.
Clean burner. See page 28.
Replace flue baffle. See page 26.
Clear flue cap. See page 26.
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.
Poor or no cooling.
The refrigerator does not
cool efficiently on LP gas.
Poor ventilation.
Off-level operation.
Dirty burner.
Low ac voltage.
Cooling fan inoperative (if present).
Improper installation.
Incorrect orifice.
Check enclosure for obstructed air flow.
Level unit. See page 32.
Clean burner. See page 28.
Check ac voltage input.
Test fan operation.
Check installation. See pages 21 and 22
and N500/N510 Installation Manual.
Install correct orifice (LP10).