Desa HGC23TON Owner's Manual page 20

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
20
TROUBLESHOOTING
Continued
POSSIbLE CAUSE
1..Gas. supply. turned. off. or.
equipment 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.
installed
5..Depleted.gas.supply.(pro-
pane/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.
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 is clogged
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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..C l e a n . O D S / p i l o t . ( s e e.
Cleaning, page 18) or re-
place.ODS/pilot.assembly
7..Replace.gas.regulator
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 18) 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
2..Clean. burner. (see. Clean-
ing, page 18) or replace
burner orifice
121623-01A