Troubleshooting - Procom MN180HPA Owner's Operation And Installation Manual

TROUBLESHOOTING
I
OBSERVED PROBLEM
1. ignitor electrode positioned wrong 1. Replace ignitor
2. Ignitor electrode broken 2. Replace ignitor
3. Ignitor electrode not connected to 3. Reconnect ignitor cable
ignitor cable 4. Free ignitor cable if pinched by
4. Ignitor cable pinched or wet any metal or tubing. Keep
5. Broken ignitor cable ignitor cable dry
6. Bad piezo ignitor 5. Replace ignitor cable
6. Replace control valve (piezo is
part of control valve)
ODS/pilot lights butflame goes 1. Gas supply turned off or 1 Turn on gas supply or open
out when control knob is released equipment shutoff valve closed equipment shutoff valve
2. Control knob not fully pressed in 2. Fully press in control knob
while pressing ignitor button while pressing ignitor button
3. Air in gas lines when installed 3. Continue holding down control
4. ODS/pilot is clogged knob. Repeat igniting operation
5. Gas regulator setting is not correct until air is removed.
6. Control knob not In PILOT position 4. Clean ODS/pilot (see Cleaning
and maintenamce, p13)
5. Replace gas regulator
6 Turn control knob to pilot position
When ignitor button Is pressed
1. Control knob not fully pressed in.
1. Press in control knob fully
In, there is a spark at ODS/pilot
2. Control knob not pressed in long 2. After ODS/pilot lights, keep control
but no ignition.
enough.
knob pressed In 30 seconds
3. Equipment shutoff valve not fully 3. Fully open equipment shutoff valve
open.
4. Hand tighten until snug, then
4, Thermocouple connection loose
tighten 1/4 turn more.
at control valve.
5. A) Contact local natural gas
5 Pilot flame not touching
company.
thermocouple, which allows
B) Clean ODS/pilot (see Cleaning
thermocouple to cool, causing
and Maintenance, page 13) or
pilot flame to go out. This
replace ODS/pilot assembly
problem could be caused by one 6. Replace thermocouple
or both of the following:
A) Low gas pressure
B) Dirty or partially clogged
ODS/pilot
6. Thermocouple damaged
7. Control valve damaged
7. Replace control valve
PRO™ COM OWNER'S MANUAL
INFRARED VENT™FREE GAS SPACE HEATER
14
ML062-11
When ignitor button is pressed in,
there is no spark at ODS/pilot
WARNING: Only a qualified
service person should service and
repair heater.
CAUnON: Never use a wire,
needle, or similar object to clean
ODS/pilot. This can damage
ODS/pilot unit. _
I
POSSIBLE CAUSE
REMEDY
Note : All troubleshooting
Items are listed in order of
operation.