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100351
TROUBLE-
SHOOTING
Note: All troubleshooting
items are listed in order of
operation.
WARNING ICON G 001
WARNING
Turn off and unplug heater and let cool before servicing.
Unless you need gas supply for testing, shut off manual
shutoff valve before servicing. Only a qualified service
person should service and repair heater and venting
system.
WARNING ICON G 001
CAUTION
Never use a wire, needle, or similar object to clean pilot.
This can damage pilot.
OBSERVED
PROBLEM
When ignitor button is
pressed, there is no
spark at pilot.
When ignitor button is
pressed, there is spark
at pilot but no igni-
tion.
POSSIBLE
CAUSE
1. Incorrect spark gap.
2. Ignitor electrode posi-
tioned wrong.
3. Ignitor electrode broken.
4. Ignitor electrode not con-
nected to ignitor cable.
5. Ignitor cable pinched or
wet.
6. Piezo ignitor nut is loose.
7. Broken or frayed ignitor
cable.
8. Loose ignitor cable.
9. Bad piezo ignitor.
1. Gas supply turned off or
manual shutoff valve
closed.
2. Control knob not in PI-
LOT position.
3. Control knob not pressed
in while in PILOT posi-
tion.
4. Air in gas lines when in-
stalled.
5. Pilot is clogged.
6. Gas regulator setting is
not correct.
REMEDY
1. Adjust spark gap to 1/16".
2. Replace ignitor.
3. Replace ignitor.
4. Reconnect ignitor cable.
5. Free ignitor cable if
pinched by any metal or
tubing. Keep ignitor
cable dry.
6. Tighten nut holding piezo
ignitor to heater cabinet.
Nut is located inside
heater cabinet at top.
7. Replace ignitor cable.
8. Reconnect ignitor cable.
9. Replace piezo ignitor.
1. Turn on gas supply or
open manual shutoff
valve.
2. Turn control knob to PI-
LOT position.
3. Press in control knob
while in PILOT position.
4. Continue holding down
control knob. Repeat ig-
niting operation until air
is removed.
5. Clean pilot (see Cleaning
and Maintenance, page
25) or replace pilot as-
sembly.
6. Replace control valve.