Manual# I27028 7-4 Rev. 2 – 11/22/2017
Ignition controller system
issue
Check power to flame safety controller.
Check alarm status on flame safety
controller.
Check ignition transformer and connection.
Insufficient gas supply
pressure to main / pilot
line
Check supply pressure.
Check manual isolation valves are fully open.
Check gas pressure regulator setting.
Check wiring / signal to shutoff valves.
Gas strainer is clogged.
Flame issue
(ideal flame is strong
blue with small yellow
tips)
Incorrect gas supply
Check supply pressure.
Check manual isolation valves are fully open.
Check gas pressure regulator setting.
Check wiring / signal to shutoff valves.
Gas strainer is clogged.
Incorrect reactivation air
flow
Inspect duct and filters for clogging. Repair /
replace as necessary.
Inspect reactivation blower for blockage.
Inspect reactivation blower damper position.
Check profile plate pressure drop.
Main gas valve not
functioning
Check for correct control signal.
Check for mechanical problem with valve.
Burner is clogged
Inspect and clean the air wings as
necessary.
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