Hearth & Home Technologies • B41L-AU Owner Manual • 2570-981 Rev. B • 5/20
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• Replace Glowing embers with new 18 mm pieces.
DO NOT
block ports or obstruct lighting paths. Refer
to appliance installation manual for proper ember
placement.
• Verify batteries have been removed from battery back-up
IPI systems to prevent premature battery failure or
leaking.
• Check for smooth lighting and ignition carryover to all
ports. Verify that there is no ignition delay.
• Inspect for lifting or other flame problems.
• Verify air shutter setting is correct. See Installation
Manual for required air shutter setting. Verify air shutter
is clear of dust and debris.
• Inspect orifice for soot, dirt and corrosion. Verify orifice
size is correct. See Service Parts List for proper orifice
sizing.
• Verify manifold and inlet pressures. Adjust regulator as
required.
• Inspect pilot flame pattern and strength. See Figure 4.2
for proper pilot flame pattern. Clean or replace orifice
spud as necessary.
• Inspect IPI flame sensing rod for soot, corrosion and
deterioration. Polish with fine steel wool or replace as
required.
• Verify that there is not a short in flame sense circuit
by checking continuity between pilot hood and flame
sensing rod. Replace pilot as necessary.
Log Inspection
Frequency:
Annually
By:
Qualified Service Technician
Tools needed:
Protective gloves.
• Inspect for damaged or missing logs. Replace as neces
-
sary. Refer to instructions included with kit for log place
-
ment.
• Verify correct log placement and no flame impingement
causing sooting. Correct as necessary.
Figure 4.2 IPI Pilot Flame Patterns
