Monessen Hearth mhsc eyf18 Benutzerhandbuch

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WARNING
TROUBLESHOOTING
If the gas quality is bad, your pilot may not 
stay lit, the burners may produce soot and 
the heater may backfire when lit. If the gas 
quality or pressure is low, contact your local 
gas supplier immediately.
WARNING
OBSERVED PROB-
POSSIBLE CAUSE
REMEDY
ODS/pilot lights, but flame 
goes out when control knob 
is released.
1.  Control knob not fully pressed in.
2.  Control knob not pressed in long enough.
3.  Manual shutoff valve not fully open.
4.  Thermocouple connection loose at control 
valve.
5.  Pilot flame not touching thermocouple, 
which allows thermocouple to cool, causing 
pilot flame to go out. This problem could 
be caused by either low gas pressure, or a 
dirty or partially clogged ODS/pilot.
6. Thermocouple damaged.
7.  Control valve damaged.
1.  Press in control knob fully.
2.  After ODS/pilot lights, keep control knob pressed 
in for 30 seconds.
3.  Fully open manual shutoff valve.
4.  Hand tighten until snug, then tighten 
  1/4 turn more.
5.  Contact local gas company.
6. Replace thermocouple. 
7.  Replace control valve 
Burner does not light after 
ODS/pilot is lit.
1.  Burner orifice is clogged.
2.  Burner orifice diameter is too small.
3.  Inlet gas pressure is too low.
1.   Clean burner or replace burner orifice.
2.  Replace burner orifice.
3.  Contact qualified service person.
Burner backfires during 
combustion.
1.  Manifold pressure is too low.
2.  Burner orifice is clogged.
1.  Contact local gas company.
2.  Clean burner or replace burner orifice.
Slight smoke or odor during 
initial operation.
1.  Burner orifice is clogged or damaged.
2.  Burner is damaged.
3.  Gas regulator defective.
1.   Clean burner or replace burner orifice.
2.  Replace burner.
3.  Replace gas regulator.
Logs appear to smoke after 
initial operation.
1.  Vapors from paint or curing process of logs.
1.   Problem will stop after a few hours of operation. 
Run the heater with the damper open if you have 
one, or open a window for the first few hours.
2.  Log heater is intended to be smokeless. Turn OFF 
heater and call qualified service person.
Heater produces a whistling 
noise when burner is lit.
1.  Turning control knob to HIGH position 
when burner is cold.
2.  Air in gas line.
3.  Dirty or partially clogged burners orifice.
1.  Turn control knob to LOW position and let warm 
up for a minute.
2.  Operate burner until air is removed from line. 
Have gas line checked by local gas company.
3.   Clean burner or replace burner orifice.
No gas to pilot. 
1.  LP-regulator shut down due to inlet pressure 
too high.
1.  Verify LP tank regulator is installed and set at 
11" to 13" w.c.
2.  Replace regulator on heater.