Monessen Hearth VFCS20DNV Oven User Manual


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30 58D6002
TROUBLESHOOTING
WARNING
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.
SYMPTOM POSSIBLE CAUSE ACTION
ODS/pilot
lights, but
ame goes out
when con-
trol knob is
released.
1. Controlknobnotfullypressed
in.
1. Pressincontrolknobfully.
2. Control knob not pressed in
longenough.
2. AfterODS/pilotlights,keepcontrolknobpressedinfor30seconds.
3. Appliance shutoff valve not
fully open.
3. Fullyopenmanualshutoffvalve.
4. Thermocouple connection loose
at control valve.
4.Hand tighten thermocouple connection until snug, then tighten 1/4 turn
more.
5. Pilot ame not touching ther-
mocouple, which allows ther-
mocoupletocool,causingpilot
ametogoout.
5. Contactlocalgascompany.Thisproblemcouldbecausedbyeitherlowgas
pressure,oradirtyorpartiallycloggedODS/pilot.
6. Thermocoupledamaged. 6. Replacepilot.
Burner does
not light after
ODS/pilot is
lit.
1. Inletgaspressureistoolow. 1.
Contactqualiedserviceperson.
2. Burner orice diameter istoo
small.
2.
Replaceburnerorice.
3. Burneroriceisclogged. 3. Burneroriceisclogged.
Burner back-
res during
combustion.
1. Manifold pressure is too low. 1. Contactlocalgascompany.
2. Burneroriceisclogged.
2. Cleanburnerorreplaceburnerorice.
Slight smoke
or odor during
initial opera-
tion.
1. Burner orifice is clogged or
damaged.
2.Replaceburner.
2. Burnerisdamaged. 2.Replaceburner.
3. Gasregulatordefective. 3.Replacegasregulator.
Logs appear
to smoke after
initial opera-
tion.
1. Vaporsfrompaintorcuringprocess
oflogs.
1.Problemwillstopafterafewhoursofoperation.Openawindowfortherst
few hours.
2. Logheaterisintendedtobesmokeless.TurnOFFheaterandcallqualied
service person.
He ate r p ro-
duces a whis-
t l i n g n o i s e
when burner
is lit.
1. Vaporsfrompaintorcuringprocess
oflogs.
1.Problemwillstopafterafewhoursofoperation.Openawindowfortherst
few hours.
2. Airingasline. 2. Operateburneruntilairisremovedfromline.Havegaslinecheckedbylocal
gascompany.
3. Dirtyorpartiallycloggedburner
orices.
3. Cleanburnerorreplaceburnerorice.
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.
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