Desa CB36N User Manual
www.desatech.com
117437-01D
6
TROUBLESHOOTING
WARNING: Turn off heater and let cool before servicing. Only a
qualified service person should service and repair heater.
CAUTION: Never use a wire, needle or similar object to clean
ODS/pilot. This can damage ODS/pilot unit.
Note: All troubleshooting items are listed in order of operation.
The.two.most.common.causes.of.a.malfunctioning.gas.appliance.are:
1.. Loose.wiring.connections
2. Construction debris clogging the pilot and/or gas control valve filter
The.two.most.common.causes.of.a.malfunctioning.gas.appliance.are:
1.. Loose.wiring.connections
2. Construction debris clogging the pilot and/or gas control valve filter
POSSIBLE CAUSE
1..Ignitor.electrode.not.con-
nected.to.ignitor.cable
..Ignitor. cable. pinched. or.
wet
3. Piezo ignitor nut is loose
4..Broken.ignitor.cable
5. Bad piezo ignitor
6..Ignitor.electrode.positioned.
5. Bad piezo ignitor
6..Ignitor.electrode.positioned.
wrong
7..Ignitor.electrode.broken
1..Gas. supply. turned. off. or.
equipment. shutoff. valve.
closed
closed
..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.(pro-
pane/LP.only)
6..ODS/pilot.is.clogged
7..Gas.regulator.setting.is.not.
correct
OBSERVED PROBLEM
Manual Ignition System
Only. When. ignitor. button. is.
pressed, there is no spark at
ODS/pilot
Only. When. ignitor. button. is.
pressed, there is no spark at
ODS/pilot
Manual Ignition System Only.
When ignitor button is pressed,
there.is.spark.at.ODS/pilot.but.
no.ignition
When ignitor button is pressed,
there.is.spark.at.ODS/pilot.but.
no.ignition
REMEDY
1..Reconnect.ignitor.cable
..Free.ignitor.cable.if.pinched.
by. any. metal. or. tubing..
Keep.ignitor.cable.dry
Keep.ignitor.cable.dry
3..Tighten nut holding piezo
ignitor. to. base. panel. of. log.
set.. Nut. is. located. behind.
base.panel.
set.. Nut. is. located. behind.
base.panel.
4..Replace.ignitor.cable
5. Replace piezo ignitor
6..Replace.pilot.assembly
5. Replace piezo ignitor
6..Replace.pilot.assembly
7..Replace.pilot.assembly
1..Turn.on.gas.supply.or.open.
equipment.shutoff.valve
..Turn.control.knob.to.PILOT.
position
3..Press.in.control.knob.while.
in.PILOT.position
4..Continue. holding. down.
control.knob..Repeat.ignit-
ing. operation. until. air. is.
removed
ing. operation. until. air. is.
removed
5..Contact. local. propane/LP.
gas.company
6..Clean.ODS/pilot.(see.Clean-
ing and Maintenance, page
4). or. replace. ODS/pilot.
assembly
4). or. replace. ODS/pilot.
assembly
7..Replace.gas.regulator