Procom ML060HPA - Manual (Page 14)

1 4
TROUBLESHOOTING
Note : All troubleshooting
items are listed in order of
operation. WARNING: 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.
OBSERVED PROBLEM
When ignitor button is pressed and
control knob is pressed in and turned to
the PILOT position, there is no spark
at ODS/pilot.
When ignitor button is pressed and
control knob is press in and turned to
the PILOT position, there is a spark
at ODS/pilot but no ignition.
ODS/pilot lights but flame goes out
when control knob is released.
POSSIBLE CAUSE
1. Ignitor electrode is positioned
wrong.
2. Ignitor electrode is broken.
3. Ignitor electrode is not connected
to ignitor cable.
4. Ignitor cable is pinched or wet.
5. Broken ignitor cable.
6. Bad piezo ignitor.
1 . G a s s u p p l y t u r n e d o f f o r
equipment shutoff valve is closed.
2. Control knob not fully pressed in
while pressing ignitor button
3. Air in gas lines when installed.
4. ODS/pilot is clogged.
5. Control knob not in PILOT position.
6. Gas regulator setting is not correct.
7. Depleted gas supply.
1. Control knob is not fully pressed
in.
2. Control knob is not pressed in
long enough.
3. Equipment shutoff valve is not fully
open.
4. Thermocouple connection loose
at control valve.
5. Thermocouple damaged.
6. Control valve damaged.
REMEDY
1. Replace ignitor.
2. Replace ignitor.
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.
1. Turn on gas supply or open
equipment shutoff valve.
2. Fully press in control knob
while pressing ignitor button.
3. Continue holding down control
knob. Repeat igniting operation
until air is removed.
4. Clean ODS/pilot (see Cleaning and
Maintenamce, Page 13) or replace
ODS/pilot assembly.
5. Turn control knob to PILOT position.
6. Replace gas regulator.
7. Contact local prapane/LP gas
company.
1. Press in control knob fully.
2. After ODS/pilot lights, keep control
knob pressed in 30 seconds.
3. Fully open equipment shutoff valve
4. Hand tighten until snug, then
tighten 1/4 turn more.
5. Replace thermocouple.
6. Replace control valve.
.