Bryan Boilers Comprehensive Bryan Boiler Troubleshooting for Optimal Performance

Date: 8-4-2010

Revision: 0

Form: 2396

2.4TROUBLESHOOTING

To support the recommended Troubleshooting, the R7910 has an Alert File. Review the Alert history for possible trends that may have been occurring prior to the actual lockout.

Note Column:

H = Hold message

L = Lockout message

H or L = either Hold or Lockout depending on Parameter Configuration

Table 12 R7910A Lockout and Hold Codes

Code	Description				Recommended Troubleshooting of Lockout Codes	Code
1	Unconfigured				1.New Device, complete device configuration and safety	L
	safety data				verification.
					2. If fault repeats, replace module.
2	Waiting	for	safety		1. Device in Configuration mode and safety parameters need	L
	data verification				verification and a device needs reset to complete verification.
					2. Configuration ended without verification, re enter
					configuration, verify safety
					parameters and reset device to complete verification.
					3. If fault repeats, replace module
3	Internal			fault:	Internal fault	H
	Hardware fault				1. Reset module
4	Internal			fault:	2. If fault repeats, replace module.	H
	Safety	Relay		key
	feedback error
5	Internal			fault:		H
	Unstable		power
	(DCDC) output
6	Internal			fault:		H
	Invalid	processor
	clock
7	Internal			fault:		H
	Safety	relay		drive
	error
8	Internal	fault: Zero				H
	crossing			not
	detected
9	Internal			fault:		H
	Flame	bias	out of
	range
10	Internal			fault:		L
	Invalid	Burner
	control state
11	Internal			fault:		L
	Invalid	Burner
	control state flag
12	Internal			fault:		H
	Safety	relay		drive
	cap short
13	Internal	fault:		PII		H OR L
	shorted to ILK
14	Internal	fault: HFS				H OR L
	shorted to LCI
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