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114745-01B 23
POSSIBLE CAUSE
1.
Control knob not fully pressed in
2. Control knob not pressed in
long enough
3. Safety interlock system has
been triggered
4. Equipment shutoff valve not
fully open
5. 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
6. Thermocouple connection
loose at control valve
7. Thermocouple damaged
8. Control valve damaged
1. Inlet gas pressure is too low
2. Burner orifice(s) clogged
3. Mislocated crossover tube
4. Burner orifice(s) diameter is
too small
5. Remote selector in OFF
position
6. Wire disconnected from gas
control
1. Manifold pressure is too low
2. Burner orifice(s) clogged
3. Mislocated crossover tube
1. Burner orifice is clogged or
damaged
2. Damaged burner
3. Gas regulator defective
REMEDY
1. Press in control knob fully
2. After ODS/pilot lights, keep con
-
trol knob pressed in 30 seconds
3. Wait one minute for safety in
-
terlock system to reset. Repeat
ignition operation
4. Fully open equipment shutoff
valve
5. A) Contact local natural or
propane/LP gas company
B) Clean ODS/pilot (see
Cleaning and Maintenance,
page 20) or replace ODS/pilot
assembly
6. Hand tighten until snug, then
tighten 1/4 turn more
7. Replace pilot assembly
8. Replace control valve
1. Contact local natural or pro
-
pane/LP gas company
2. Clean burner(s) (see
Cleaning
and Maintenance, page 20) or
replace burner orifice(s)
3.
Contact qualified service person
4. Replace burner orifice(s)
5. Put remote selector in ON
position
6. See Wiring Diagram, page 21
1. Contact local natural or pro
-
pane/LP gas company
2. Clean burner(s) (see Cleaning
and Maintenance, page 20) or
replace burner orifice(s)
3.
Contact qualified service person
1. Clean burner (see Cleaning
and Maintenance, page 20) or
replace burner orifice
2. Replace damaged burner
3. Replace gas regulator
OBSERVED PROBLEM
ODS/pilot lights but flame goes
out when control knob is re
-
leased
One or both burners do not light
after ODS/pilot is lit
Delayed ignition of burner
Burner backfiring during com
-
bustion
TROUBLESHOOTING
Continued