Troubleshooting - Monessen Hearth Double Door VFCS20DNV Installation And Operating Instructions Manual

SYMPTOM POSSIBLE CAUSE
When ignitor
1. Ignitor electrode positioned
button is
wrong.
pressed, there
2. Ignitor electrode is broken.
is no spark at
ODS/pilot.
3. Ignitor electrode not connected
to ignitor cable.
4. Ignitor cable pinched or wet.
Keep ignitor cable dry.
5. Broken ignitor cable.
6. Bad piezo ignitor.
Appliance
1. Appliance burning vapors from
produces
paint, hair spray, glues, etc.
unwanted
2. Gas leak
odors.
3. Initial burn off.
Appliance
1. Not enough fresh air is available
shuts off
for ODS/ pilot to operate.
during use.
2. Low line pressure.
3. ODS/pilot is partially clogged. 3. Clean ODS/pilot.
4. Defective Thermopile.
5. Restrictions in incoming air
flow.
Gas odor even 1. Gas leak.
when control
2. Control valve defective.
knob is in OFF
position.
When ignitor
1. Gas supply turned off or appli-
button is ance shutoff valve closed.
pressed, there
2. Air in gas lines when installed. 2. Continue holding down control knob. Repeat igniting operation until air is
is spark at
ODS pilot, but
3. ODS/pilot is clogged.
no ignition.
4. Gas regulator setting is not cor-
rect (LPG).
58D6002
Turn appliance OFF and allow to cool
before servicing. Only a qualified
service person should service and
repair the heater.
Note: All troubleshooting items are listed in order of operation.
ACTION
1 Replace ignitor.
2. Replace ignitor.
3. Reconnect ignitor cable.
4. Free ignitor cable if pinched by any metal or tubing.
5. Replace ignitor cable.
6. Replace piezo ignitor.
1. Ventilate room. Stop using odor causing products while heater is running.
2. Locate and correct all leaks.
3. Ventilate room and turn unit on high until odor is gone. Odor should be gone
after 2 to 3 hours of continuous use.
1. Open window and/or door for ventilation.
2. Contact local gas company.
4. Check pilot flame. Check wire connections. Check thermopile output — should
be 500 milli-volts across TH/TP and TP Terminals with ON/OFF switch off.
5. Check for obstructions on bottom of unit. Check for improper log place-
ment.
1. Locate and correct all leaks.
2. Replace control valve.
1. Turn on gas supply or open manual shutoff valve.
removed.
3. Replace ODS/pilot assembly or get it serviced.
4. Replace gas regulator at tank.

TROUBLESHOOTING

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