www.desatech.com
113896-01D
3
POSSIBLE CAUSE
1. Gas supply turned off or equip
-
ment shutoff valve closed
2. Control knob not in PILOT
position
3. Control knob not pressed in
while in PILOT position
4. Air in gas lines when in
-
stalled
5. Depleted gas supply (propane/
LP only)
6. ODS/pilot is clogged
7. Gas regulator setting is not
correct
1.
Control knob not fully pressed in
2. Control knob not pressed in
long enough
3. Equipment shutoff valve not
fully open
4. Pilot flame not touching ther
-
mocouple, which allows ther
-
mocouple 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
5. Thermocouple connection
loose at control valve
6. Thermocouple damaged
7. Control valve damaged
1. Inlet gas pressure is too low
2. Burner orifice(s) clogged
REMEDY
1. Turn on gas supply or open
equipment shutoff valve
2. Turn control knob to PILOT
position
3. Press in control knob while in
PILOT position
4. Continue holding down con
-
trol knob. Repeat igniting op
-
eration until air is removed
5. Contact local propane/LP gas
company
6. Clean ODS/pilot (see
Clean-
ing and Maintenance
, page
21) or replace ODS/pilot as
-
sembly
7. Replace gas control
1. Press in control knob fully
2. After ODS/pilot lights, keep con
-
trol knob pressed in 30 seconds
3. Fully open equipment shutoff
valve
4. A) Contact local natural or
propane/LP gas company
B) Clean ODS/pilot (see
Cleaning and Maintenance
,
page 21) or replace ODS/pilot
assembly
5. Hand tighten until snug, then
tighten 1/4 turn more
6. Replace pilot assembly
7. Replace control valve
1. Contact local natural or pro
-
pane/LP gas company
2. Clean burner(s) (see
Cleaning
and Maintenance
, page 21) or
replace burner orifice
OBSERVED PROBLEM
When ignitor button is pressed,
there is spark at ODS/pilot but
no ignition
ODS/pilot lights but flame
goes out when control knob is
released
Burner does not light after
ODS/pilot is lit
TROUBLESHOOTING
Continued
f i r e - p a r t s . c o m
