FMI DVF36, Owner'S Operation And Installation Manual

Page: 32 / 36

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56131J 32
REMEDY
1. Replace ignitor if wire is
properly connected and you
have no spark
2. Using a match, light pilot. If pi -
lot lights turn off pilot and push
piezo again. If pilot lights,
an improper gas/air mixture
cause improper lighting and a
longer purge period is recom-
mended. If pilot will not light,
check gap at electrode and
pilot. Gap should be 1/8" for
strong spark. If electrode is
okay, replace pilot
3.
LP only:
Check fuel supply
and contact local propane/
LP supplier if low.
LP and Natural:
Check for
kinked or bent hoses. Con-
sult pipe fitter or plumber.
POSSIbLE CAUSE
1. Defective ignitor
2. Defective pilot or misaligned
electrode at pilot
3. No or low gas pressure
ObSERVED PRObLEM
When ignitor button is pressed,
there is no spark at pilot
TROUbLESHOOTING
Continued
REMEDY
1.
LP only:
Check fuel supply
and contact local propane/
LP supplier if low.
LP and Natural:
Check for
kinked or bent hoses. Con-
sult pipe fitter or plumber.
2. Repeat lighting procedure
several times to purge air
from lines. If unit will still not
light, contact a qualified ser -
vice and repair technician
3. Remove debris and dirt,
inspect and clean other
possible obstructions
4. Replace control valve
5. Contact a qualified techni -
cian to replace pilot line
6. Check that main power is on
and all wire connections are
made correctly to ignition
module
1. Check ignition wire connec-
tion (see Wiring Diagrams,
page 33)
2. Check ground wire connec-
tion (see Wiring Diagrams,
page 33)
3. Clean and adjust main burn-
er; check gas supply and
inlet pressure; replace igni -
tion assembly if necessary
POSSIbLE CAUSE
1. No or low gas pressure
2. Air in gas line
3. Construction debris clog-
ging main orifice
4. Control valve knob not
opening
5. Kinked pilot line
6. No power to unit or ignition
module/power transformer
is bad
1. Loose wiring on ignition
module
2. Poor ground to ignition
module
3. Main burner flame too low
to sense
ObSERVED PRObLEM
Ignitor will not spark or burner
will not light
Burner will not stay lit
ELECTRONIC IGNITION SYSTEM