Troubleshooting

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 24. TROUBLESHOOTING CODES

CODE	DESCRIPTION	RECOMMENDED TROUBLESHOOTING OF		NOTE
			LOCKOUT CODES
	Safety Data Faults
1	Unconfigured safety data	1. New Device, complete device configuration and		L
			safety verification.
		2. If fault repeats, replace module.
2	Waiting for safety data verification	1. Device in Configuration mode and safety		L
			parameters need 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.
	Internal Operation Errors
3	Internal fault: Hardware fault	Internal Fault.		H
		1.	Reset Module.
4	Internal fault: Safety Relay key feedback error	1.	Reset Module.	H
4	Internal fault: Safety Relay key feedback error	2.	If fault repeats, replace module.	H
5	Internal fault: Unstable power (DCDC) output	2.	If fault repeats, replace module.	H
5	Internal fault: Unstable power (DCDC) output			H
6	Internal fault: Invalid processor clock			H
7	Internal fault: Safety relay drive error			H
8	Internal fault: Zero crossing not detected			H
9	Internal fault: Flame bias out of range			H
10	Internal fault: Invalid Burner control state			L
11	Internal fault: Invalid Burner control state flag			L
12	Internal fault: Safety relay drive cap short			H

13	Internal fault: PII shorted to ILK			H or L
14	Internal fault: HFS shorted to LCI			H or L
15	Internal fault: Safety relay test failed due to			L
	feedback ON
16	Internal fault: Safety relay test failed due to safety			L
	relay OFF
17	Internal fault: Safety relay test failed due to safety			L
	relay not OFF
18	Internal fault: Safety relay test failed due to			L
	feedback not ON
19	Internal fault: Safety RAM write			L
20	Internal fault: Flame ripple and overflow			H
21	Internal fault: Flame number of sample mismatch			H
22	Internal fault: Flame bias out of range			H
23	Internal fault: Bias changed since heating cycle			H
	starts
24	Internal fault: Spark voltage stuck low or high			H
25	Internal fault: Spark voltage changed too much			H
	during flame sensing time
26	Internal fault: Static flame ripple			H
27	Internal fault: Flame rod shorted to ground			H
	detected
28	Internal fault: A/D linearity test fails			H
29	Internal fault: Flame bias cannot be set in range			H

3400, 1700, 2000, 2600 specifications

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TROUBLESHOOTING

CODE

DESCRIPTION

RECOMMENDED TROUBLESHOOTING OF

LOCKOUT CODES

3400, 1700, 2000, 2600 specifications