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- Verify all connections. Verify the connections from the
connection in sensor rod.
pilot assembly are tight; also verify these connections are
not grounding out to any metal.
Poor fl ame rectifi cation
- 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.
- Verify that the wire harness is firmly 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.
- 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.
- Inspect all wires, ensure good tight connections. Verify
that all wiring is installed exactly as specifi ed.
- 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”
- Check if exhaust is re-entering through an open door or
Sulphur from fuel is being
- Clean the glass, see “CARE OF GLASS” section
deposited on glass, logs or
- DO NOT CLEAN GLASS WHEN HOT.
- If deposits are not cleaned off regularly, the glass may
become permanently marked.
- Tighten door clamps if applicable.
Venting action is too great.
- Restrict vent exit with restrictor plate. See
“RESTRICTING VENTS” section if applicable.
- 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
- Check venting system parameters (seal, length, rise, etc.).
- Check joint seals and installation.
W415-1679 / D / 03.09.18