Filter
Top Products
21
REMEDY
1. Turn on gas supply or
open manual shutoff
valve.
2. Turn control knob to PI-
LOT position.
3. Press in control knob
while in PILOT posi-
tion.
4. Continue holding down
control knob. Repeat ig-
niting operation until air
is removed.
5. Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 20) or re-
place ODS/pilot assem-
bly.
6. Replace gas regulator.
1. Press in control knob
fully.
2. After ODS/pilot lights,
keep control knob
pressed in 30 seconds.
3. Wait one minute for
safety interlock system
to reset. Repeat ignition.
4. Fully open manual shut-
off valve.
5. Hand tighten until snug,
then tighten 1/4 turn
more.
6. A) Contact local natural
gas company.
B) Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 20) or re-
place ODS/pilot assem-
bly.
7. Replace thermocouple.
8. Replace control valve.
1. Clean burner (see Clean-
ing and Maintenance,
page 20) or replace
burner orifice.
OBSERVED
PROBLEM
When ignitor button is
pressed, there is spark
at ODS/pilot but no ig-
nition.
ODS/pilot lights but
flame goes out when
control knob is
released.
Burner does not light
after ODS/pilot is lit.
POSSIBLE
CAUSE
1. Gas supply turned off or
manual shutoff valve
closed
2. Control knob not in PI-
LOT position
3. Control knob not
pressed in while in PI-
LOT position
4. Air in gas lines when in-
stalled
5. ODS/pilot is clogged.
6. Gas regulator setting is
not correct.
1. Control knob not fully
pressed in
2. Control knob not
pressed in long enough
3. Safety interlock system
has been triggered (ther-
mostat model only).
4. Manual shutoff valve
not fully open
5. Thermocouple connec-
tion loose at control
valve
6. Pilot flame not touching
thermocouple, which al-
lows thermocouple to
cool, causing pilot flame
to go out. This problem
could be caused by one
or both of the following:
A) Low gas pressure
B) Dirty or partially
clogged ODS/pilot
7. Thermocouple damaged
8. Control valve damaged
1. Burner orifice is
clogged.
Continued
TROUBLE-
SHOOTING
Continued
Continued