Bryan Boilers Triple-Flex 150, 250, & 300, 200 service manual ILK on

				Date:	8-4-2010
				Revision:		0
				Form:	2396
Code	Description		Recommended Troubleshooting of Lockout Codes			Code
68	ILK ON		This lockout occurs when the interlock string is closed before the			L
			blower starts. The airflow switch is the only device in the
			interlock string that will open when in standby. Probable causes
			are.
				1. Air pressure in the boiler room has become negative.
				2. Excessive downdraft in the stack.
				3. Blower is spinning before being commanded by the
				hydronic control. Make sure blower is not running in
				standby.
				4. Airflow switch is stuck closed.
69	Pilot test hold		1. Verify Run/Test is changed to Run.			H
			2.	Reset Module.
			3.	If fault repeats, replace module.
70	Wait for	leakage	1. Internal Fault. Reset Module.			H
	test completion		2. If fault repeats, replace module.
71-77	RESERVED
78	Demand	Lost in	1. Check wiring and correct any possible errors.			H
	Run		2. If previous steps are correct and fault persists, replace the
			module.
79	Outlet high limit		1. Check wiring and correct any possible errors.			H or L
			2.	Replace the Outlet high limit.
			3.	If previous steps are correct and fault persists, replace the
			module.
80	DHW high limit		1. Check wiring and correct any possible errors.			H or L
			2.	Replace the DHW high limit.
			3.	If previous steps are correct and fault persists, replace the
			module.
81	Delta T limit		1. Check Inlet and Outlet sensors and pump circuits for proper			H or L
			operation.
			2.	Recheck the Delta T Limit to confirm proper setting.
			3.	If previous steps are correct and fault persists, replace the
			module.
82	Stack limit		1. Check wiring and correct any possible errors.			H or L
			2.	Replace the Stack high limit.
			3.	If previous steps are correct and fault persists, replace the
			module.
83-90	RESERVED
91	Inlet sensor fault		1. Check wiring and correct any possible errors.			H
			2.	Replace the Inlet sensor.
			3.	If previous steps are correct and fault persists, replace the
			module.
92	Outlet sensor fault		1. Check wiring and correct any possible errors.			H
			2.	Replace the Outlet sensor.
			3.	If previous steps are correct and fault persists, replace the
			module.
93	DHW sensor fault		1. Check wiring and correct any possible errors.			H
			2.	Replace the DHW sensor.
			3.	If previous steps are correct and fault persists, replace the
			module.
94	Header sensor fault		1. Check wiring and correct any possible errors.			H
			2.	Replace the header sensor.
			3.	If previous steps are correct and fault persists, replace the
			module.
95	Stack sensor fault		1. Check wiring and correct any possible errors.			H
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