Monessen Hearth EYF18 Benutzerhandbuch

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EYF Series Unvented Gas Log Set
TROUBLESHOOTING
W
ARNING
Turn off appliance and allow to cool before 
cleaning. 
Only  a  qualified  service  person  should 
service and reapir the heater.
NOTE: All troubleshooting items are listed in order of 
operation.
Problem
When ignitor button is 
pressed, there is not spark 
at ODS/pilot.
Appliance produces un-
wanted odors.
Appliance shuts off during 
use.
Gas odor even when 
control knob is in OFF 
position.
When ignitor button is 
pressed, there is spark at 
ODS/pilot, but no ignition.
Possible Cause
1.  Ignitor electrode positioned wrong.
.  Ignitor electrode is broken.
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.
1.  Appliance burning vapors from 
paint, hair spray, glues, etc.
.  Gas leak.
3.  Initial burn off.
1.  Not enough fresh air is available for 
ODS/pilot to operate.
.  Low line pressure.
3.  ODS/pilot is partially clogged.
4.  Defective thermopile.
5.  Restrictions in incoming air flow.
1.  Gas leak.
.  Control valve defective.
1.  Gas supply turned off or manual 
shutoff valve closed.
.  Control knob not in PILOT position.
3.  Control knob not pressed in while in 
PILOT position.
4.  Air in gas lines when installed.
5.  ODS/pilot is clogged.
6.  Gas regulator setting is not correct.
Solution
1.  Replace ignitor.
.  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.
.  Locate and correct leaks.
3.  Ventilate room and turn unit on high until 
odor is gone. Odor should be gone after 
6 hours of continuous use.
1.  open window and/or door for ventilation.
.  Contact local gas company.
3.  Clean ODS/pilot.
4.  Check wire connections. Check output 
should be 500 mV across TH/TP and TP 
terminals with ON/OFF switches off.
5.  Check for bottom riser on glass door, 
sunken fireplace, excessive lava rock/
cinders densely packed against grate.
1.  Locate and correct all leaks.
.  Replace control valve.
1.  Turn on gas supply or open manual 
shutoff valve.
.  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.  Replace ODS/pilot assembly or get it 
services.
6.  Check incoming pressure. Replace gas 
regulator.