Garland XG36-JIB, XG24-JIB service manual Controller Displays Ignition Failure No flame at all, Yes

TECHNICAL TROUBLESHOOTING continued

Controller Displays “IGNITION FAILURE” - No flame at all

Do the burners light at all?

NO

Check quick disconnect for improper connection

NO

Check for incoming gas pressure at the main incoming gas manifold

NO

Check main gas manifold shut-o￿ valve, and turn on

YES

YES

YES

YES

Does the ￿ame go out?

Reconnect quick disconnect

on gas supply hose

Turn gas valve ON

Locate gas shut o￿ valve and turn to ON

	Check for proper gas
YES	pressure - Incoming &
	manifold pressure
		NO
	YES	Adjust incoming & burner
		pressure for gas type

Check for proper microamp reading

NO

Check air output from

YESblower. Blower output should be 1”W.C.

NO

NO

See Technical Troubleshooting

“Controller displays Ignition Failure -

Flame does not light at all”.

Check all ￿ame sensor connections for security.

YES Replace blower

NO

Replace ignitor assy.	Adjust microamps
	at plenum box.

Controller Displays “IGNITION FAILURE” - Flame does not light at all

Is the blower running?	NO	Check of 120 VAC at blower.			YES	Replace Blower Motor
YES
						Check for input voltage from
					NO	main controller. ~8.9 VDC at
Check for air pressure	YES	Check				pin 6 & 7 output on J1.
switch closure		Solid State Relay Output
NO						NO	YES
	YES
		Replace Air				Replace Controller	Replace failed component.
							Ignition Relay Board
Check .8” - 1.2”W.C.	YES	Pressure Switch
							-OR-
Air output on plenum
				Replace Ignition			Solid State Relay
from blower.
				Module
NO					YES
Check for any obstructions	Is Ignition Module		NO		Check for 120 VAC at
in air ￿ow, if none found		Sparking?		Ignition Module, terminals
replace blower					VALVE & VALVE
		YES				NO
Proceed to Technical Troubleshooting
	“Controller Displays IGNITION				Check wiring between
	FAILURE” - Ignition Module				air pressure switch
		Is Sparking			and Ignition Module.

Page 44 Part # JIBSM08 Rev 7 (08/04/09)