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100352
TROUBLE-
SHOOTING
Continued
OBSERVED
PROBLEM
Pilot lights but flame
goes out when
control knob is
released.
Burner does not light
after pilot is lit.
Delayed ignition of
burner.
POSSIBLE
CAUSE
1. Manual shutoff valve
not fully open.
2. Control knob not fully
pressed in.
3. Control knob not
pressed in long enough.
4. Safety interlock system
has been triggered.
5. Thermocouple connec-
tion loose at control
valve.
6. Pilot flame not touching
thermocouple, which
allows thermocouple to
cool, causing pilot
flame to go out. This
problem could be
caused by any or all of
the following:
A) Improperly adjusted
pilot flame
B) Low gas pressure
C) Dirty or partially
clogged pilot
7. Thermocouple dam-
aged.
8. Control valve damaged.
1. Safety interlock system
has been inadvertently
triggered.
2. Burner orifice is
clogged.
3. Burner orifice diameter
is too small.
4. Inlet gas pressure is too
low.
1. Manifold pressure is too
low.
2. Burner orifice is
clogged.
REMEDY
1. Fully open manual shut-
off valve.
2. Press in control knob
fully.
3. After pilot lights, keep
control knob pressed in
30 seconds.
4. Wait one minute for
safety interlock system
to reset. Repeat ignition.
5. Hand tighten until snug,
then tighten 1/4 turn
more.
6. A) Contact qualified
service person to prop-
erly adjust pilot flame.
B) Contact local pro-
pane gas company.
C) Clean pilot (see
Cleaning and Mainte-
nance, page 25) or
replace pilot assembly.
7. Replace thermocouple.
8. Replace control valve.
1. Fully depress control
knob in any position
other than pilot and re-
lease. Wait one minute
for safety interlock sys-
tem to reset. Repeat igni-
tion.
2.
Clean burner (
see Clean-
ing and Maintenance,
page 25
) or replace
burner orifice.
3. Replace burner orifice.
4. Contact local propane
gas company.
1. Contact local propane
gas company.
2. Clean burner (see
Cleaning and Mainte-
nance, page 25 or re-
place burner orifice.
Continued