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Burner Ignites But Flame Will Not Hold
Set thermostat
to maximum
setting.
Is gas pressure
at pressure tap
tee between
10.5 - 11" W.C.?
NO
Replace
thermostat.
Is the DC volt-
age at terminal
block between
10.5 - 15.4 VDC?
NO
YES
Correct DC
voltage input.
0 milli-volts on
both terminals.
Replace
thermocouple.
Remove white
wires and jump
interrupter
terminals.
YES
Tighten
connection.
Secure wire
connections.
Does flame
hold?
YES
NO
Remove jumper and reconnect white wires.
Check for voltage at terminals of interrupter.
(Refer to Figure 10 for correct method of measuring milli-volts)
16-30 milli-volts
on both
terminals.
16-30 milli-volts
on one terminal,
0 milli-volts on
the other.
10-15 milli-volts
on both
terminals.
Replace
safety valve.
Replace
interrupter.
Replace
safety valve.
Note: If the negative DC supply connection is lost, the flame indicator light will remain on all the time, even without
the flame present.
Is gas supply
pressure at
10.5" - 11" W.C.?
NO
YES
Adjust main
gas pressure
to 11" W.C..
Is vent terminal
housing free
from
obstructions?
NO
YES
Clear vent
terminal of
obstruction.
Is refrigerator’s
manual shut-off
valve on?
NO
YES
Turn manual
shut-off valve
on.
Is the main
gas supply on?
NO
YES
Turn main
gas supply on.
Is tip of the
thermocouple in
flame and clean
of carbon?
NO
YES
Tighten
connection.
Reposition
or clean
thermocouple.
Is thermocouple
connection at
the interrupter
tight?
NO
YES
Is interrupter
connection at
safety valve
tight?
NO
YES
Are white wires
from relighter
to interrupter
secure & tight?
NO
YES
Replace
relighter.
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