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W415-2197 / 12.05.16
63
EN
42.7_2A
SYMPTOM PROBLEM TEST SOLUTION
Continues to spark
and pilot lights, but
main burner will not
light.
Short or loose
connection in sensor rod.
- Verify all connections. Verify the connections from the
pilot assembly are tight; also verify these connections are
not grounding out to any metal.
Poor fl ame rectifi cation
or contaminated
sensor rod.
- Verify the fl ame is engulfi ng the sensor rod. This will
increase the fl ame rectifi cation. Verify correct pilot orifi ce is
installed and inlet gas specifi cations to manual. (Remember,
the fl ame carries the rectifi cation current, not the gas. If the
fl ame lifts from pilot hood, the circuit is broken. A wrong
orifi ce or to high of an inlet pressure can cause the pilot
fl ame to lift.) The sensor rod may need cleaning.
Poor grounding between
pilot assembly and
gas valve.
- Verify that the wire harness is fi rmly connected to module.
Verify that the ceramic insulator around the sensor rod is
not cracked, damaged, or loose. Verify the connection from
the sensor rod to the sensor wire.
Damaged pilot or dirty
sensor rod.
- Clean sensor rod with a fi ne emery cloth or synthetic
scrub pad to remove any contamination that may have
accumulated on the sensor rod. Verify continuity with
multimeter with ohms set at the lowest range.
Pilot lights
Stops sparking
/ pilot remains lit
but burner will
not turn on.
Wiring / Connection. - Inspect all wires, ensure good tight connections. Verify
that all wiring is installed exactly as specifi ed.
Wiring harness. - Inspect the wiring harness, and verify the harness is
tightly connected to the module. Verify that all wires are
connected in the right order. See “WIRING DIAGRAM”
section.
Exhaust fumes
smelled in room,
headaches.
Appliance is spilling. - Check all seals.
- Check if exhaust is re-entering through an open door or
window.
White / grey fi lm
forms.
Sulphur from fuel is being
deposited on glass, logs or
combustion chamber
surfaces.
- Clean the glass, see “CARE OF GLASS” section
- DO NOT CLEAN GLASS WHEN HOT.
- If deposits are not cleaned off regularly, the glass may
become permanently marked.
Flames are very
aggressive.
Door is ajar. - Tighten door clamps if applicable.
Venting action is too great. - Restrict vent exit with restrictor plate. See
“RESTRICTING VENTS” section if applicable.
Main burner fl ame
is a blue, lazy,
transparent
fl ame.
Blockage in vent. - Remove blockage. In extreme conditions, ice buildup
may occur on the terminal and should be removed. To
minimize this from happening again, it is recommended
that the vent lengths that pass through unheated
spaces (attics, garages, crawl spaces) be wrapped
with an insulated mylar sleeve. Prevent sleeve from
sagging. Contact your local authorized dealer for more
information.
Compromised venting.
- Check venting system parameters (seal, length, rise, etc.).
Main burner goes
out: pilot goes out.
Vent recirculation. - Check joint seals and installation.
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