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114082-01F 9
TROUBLESHOOTING
WARNING: Turn off heater and let cool before servicing. Only a
qualied 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.
POSSIBLE CAUSE
1. Ignitor electrode positioned
wrong
2. Ignitor electrode broken
3. Ignitor electrode not con-
nected to ignitor cable
4. Ignitor cable pinched or
wet
5. Broken ignitor cable
6. Bad piezo ignitor
1. Control knob not fully
pressed in
2. Control knob not pressed
in long enough
3. Safety interlock system
has been triggered
4. Thermocouple connection
loose at control valve
5.
Pilot flame not touching
thermocouple, which allows
thermocouple to cool, caus-
ing 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 damaged
7. Control valve damaged
1. Burner orice is clogged
2.
Inlet gas pressure is too low
1. Manifold pressure is too
low
2. Burner orice is clogged
REMEDY
1. Replace pilot assembly
2. Replace pilot assembly
3. Reconnect ignitor cable
4. Free ignitor cable if pinched
by any metal or tubing.
Keep ignitor cable dry
5. Replace ignitor cable
6. Replace piezo ignitor valve
assembly
1. Press in control knob fully
2. After ODS/pilot lights, keep
control knob pressed in 30
seconds
3. Wait one minute for safety
interlock system to reset.
Repeat ignition operation.
4. Hand tighten until snug,
then tighten 1/4 turn more
5. A) Replace propane/LP
gas cylinder
B) Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 7) or replace
ODS/pilot assembly
6. Replace pilot assembly
7. Replace control valve
1. Clean burner orice (see
Cleaning and Mainte-
nance, page 7) or replace
burner orice
2. Replace propane/LP gas
cylinder
1. Replace propane/LP gas
cylinder
2. Clean burner orice (see
Cleaning and Mainte-
nance, page 7) or replace
burner orice
OBSERVED PROBLEM
When ignitor button is actu-
ated, there is no spark at
ODS/pilot
ODS/pilot lights but flame
goes out when control knob
is released
Burner does not light after
ODS/pilot is lit
Delayed ignition of burner