Norcold N500 - Troubleshooting Flowcharts - N500 Units; Burner Will Not Maintain Flame - N500 Units

DRAFT
NOT FOR PUBLIC RELEASE
8
www.norcold.com/cda
N500/N510 Models
Refrigerator Service Manual
TROUBLESHOOTING FLOWCHARTS - N500 UNITS
Burner Will Not Maintain Flame - N500 Units
Check thermocouple
connection at interrupter.
NO
Tighten connection. Do not overtighen
connection!
Connection
tight?
Thermocouple
centered?
Burner and
thermocouple
clean?
Clean and service burner and
thermocouple. See page 28.
NO
YES
Check that thermocouple
is centered on burner slots.
NO
Center thermocouple over center
of burner slots.
Check burner and
thermocouple for carbon
deposits.
Jump interrupter terminals
and light unit holding gas
safety valve in. See Figure 3.
NO
See procedure on page 12.
Does flame
stay lit?
Check selector switch wiring.
NO
Repair or replace selector switch wiring.
Wiring OK?
Check continuity across
red switch lead and blue
swtich lead (terminals
2a and 2b).
NO
Replace selector switch. See page 45.
Continutiy?
YES
YES
YES
YES
Figure 3. Jumping
interrupter terminals
Interrupter
Interrupter
terminals