Norcold N306 - Troubleshooting Test C: Burner Flame Issues

N305, N306, N305.3, N306.3
36
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Troubleshooting, cont’d.
1. Perform the “Diagnostic Pre-Checks.”
2. Go to the fl ow chart below.
Troubleshooting Test C - Burner ignites but does not maintain fl ame
Is the main gas
supply valve
open?
Is gas control
set to the
OFF position?
Open main gas
supply valve.
Set gas control
to LO, MED, or
HI posiiton.
YES
YES
YESNO
NO
NO
NO
YES
Is propane gas
pressure
2.6 - 2.7 kPa?
Correct propane
gas pressure.
NO
Replace
thermostat.
NO
Adjust or clean
thermocouple.
YESYES
Is tip of
thermocouple in
flame & clean?
Burner ignites but does not maintain flame.
Art01093-1
Is exhaust vent
unobstructed?
Remove
obstruction from
exhaust vent.
Is propane gas
at tap tee
10.5 -11.5 inches
water column.?
15 - 30 milli-volts
on one terminal,
0 milli-volts
on the other.
0 milli-volts on
both terminals.
10 - 15 milli-volts
on both
terminals.
Replace
gas control.
16 - 30 milli-volts
on both
terminals.
Check for voltage (milli-volts)
at terminals of interrupter.
Replace
thermocouple.
Replace
gas control.
Replace
thermocouple.