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119638-01C
7
OBSERVED PROBLEM
ODS/pilot. lights. but. flame.
goes out when control knob
is.released
One.or.both.burners.do.not.light.
after.ODS/pilot.is.lit
Delayed.ignition.burner
Burner backfiring during com-
bustion
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1..Control. knob. not. fully.
pressed.in
..Control.knob.not.pressed.
in.long.enough
3..Equipment. shutoff. valve.
not.fully.open
4..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.
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
3..Mislocated. crossover.
tube
4..Remote.selector.in.OFF.
position
5..Wire. disconnected. from.
gas.control
1..Manifold. pressure. is. too.
low
2. Burner orifice clogged
1. Burner orifice is clogged or
damaged
..Damaged.burner
3..Gas.regulator.defective
REMEDY
1..Press.in.control.knob.fully
2. After ODS/pilot lights, keep
control.knob.pressed.in.30.
seconds
3..Fully.open.equipment.shut-
off.valve
4..A).Contact.local.natural.or.
propane/LP.gas.company
. B). Clean. ODS/pilot. (see.
Cleaning
, page 25) or re-
place.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.
propane/LP.gas.company
..Clean.burner(s).(see
Clean-
ing
, page 25) or replace
burner orifice(s)
3..Contact. qualified. service.
person
4..Put.remote.selector.in.ON.
position
5..See.
Wiring Diagram
, page
30
1..Contact. local. natural. or.
propane/LP.gas.company
..Clean. burner. (see.
Clean-
ing
, page 25) or replace
burner orifice
1..Clean. burner. (see.
Clean-
ing
, page 25) or replace
burner orifice
..Replace.damaged.burner
3..Replace.gas.control