TROUBLESHOOTING
WARNING
Turn off heater and let cool before servicing. Only a qualified service person should service and
repair heater.
16
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 ignition.
Pilot lights but flame goes
out when control knob is
released.
POSSIBLE CAUSE
1) Ignitor electrode broken.
2) Ignitor electrode not connected to
ignitor cable
.
3) Ignitor cable pinched or wet.
4) Broken ignitor cable.
5) Bad piezo ignitor.
1) Gas supply is turned off or manual
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) Pilot is clogged.
6) Gas regulator setting not correct.
1) Control knob not fully pressed in.
2) Control knob not depressed long
enough.
3) Manual shutoff valve not fully
open.
4) Thermocouple connection looses
at control valve.
5) Pilot flame not touching
thermocouple, which allows couple
to cool, causing pilot flame to go out.
This problem could be caused by
one or both of the following:
·
Low gas pressure.
·
Dirty or partially clogged pilot.
6) Thermocouple damaged.
7) Control valve damaged.
REMEDY
1) Replace ignitor electrode.
2) Reconnect ignitor cable.
3) Free ignitor cable if pinched by any
metal or tubing. Keep ignitor cable dry.
4) Replace ignitor cable.
5) Replace piezo ignitor.
1) Turn on gas supply or open manual
shutoff valve.
2) Turn control knob to PILOT position.
3) Press in control knob while in PILOT
position.
4) Continue holding down control knob.
Repeat igniting operation until air is
removed.
5) Clean pilot orifice or replace pilot
assembly.
6) Replace gas regulator.
1) Press in control knob fully.
2) After pilot lights, keep control knob
pressed in 30 seconds.
3) Fully open manual shutoff valve.
4) Hand tighten until snug, then tighten ¼
turn more.
5) a) Contact local gas company.
b) Clean pilot or replace pilot
assembly.
6) Replace thermocouple.
7) Replace control valve.
