Norcold N500 - No LP Operation - N500 Units

DRAFT
NOT FOR PUBLIC RELEASE
11
www.norcold.com/cda N500/N510 ModelsRefrigerator Service Manual
No LP Operation - N500 Units
Continuity?
Sparking?
Before beginning this procedure make sure:
■
The refrigerator is receiving dc power from the RV dc power system.
■
All ground connections are clean and making full contact.
■
LP gas is available.
■
LP gas tank valve(s) is open.
■
Refrigerator gas valve is open.
■
LP gas pressure is between 10.5 and 11.5 in. water column.
Set electrode air gap to 3/16 inch.
NO
YES
Check spark/sense electrode
assembly for continuity.
NO
Replace spark/sense electrode assembly.
See page 41.
YES
DC voltage
present?
Check voltage input at
selector switch terminal 3a.
NO
Check 1 amp fuse and fuse holder.
Replace relighter. See page 42.
YES
Check dc voltage at relighter.
See Figure 37, page 42.
NO
Repair/replace orange wire.
YES
Check dc voltage output from
selector switch terminal 3b.
NO
Replace selector switch. See page 45.
DC voltage
present?
Check electrode spark.
Burner
and orifice
clean?
Clean burner and orifice. See page 28.
NO
YES
Check burner and orifice
assembly.
YES
DC voltage
present?