Emerson Static Transfer Switch Event messages, Alarm and Faults, Alarm Message, Description/Cause

Alarm and Faults

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Table 8		Event messages
ID		Alarm Message	Description/Cause	Action
001	S1	SCR SHORT	One or more of the SCRs for Source 1 have shorted and failed.	D, F, A, E
002	S2	SCR SHORT	One or more of the SCRs for Source 2 have shorted and failed.	D, F, A, E
003	S1	SCR OPEN	One or more of the SCRs for Source 1 is open.	D, F, A, E
004	S2	SCR OPEN	One or more of the SCRs for Source 2 is open.	D, F, A, E
005	PRIMARY FAN FAIL		A primary cooling fan has failed and the unit is now being	D, A, E
			cooled by a secondary fan, which is not monitored.
006	CONTROL MODULE FAIL		Control logic module has failed.	D, A, E
007	PWR SPLY DC A FAIL		Power supply DC bus A has failed.	D, A, E
008	PWR SPLY DC B FAIL		Power supply DC bus B has failed.	D, A, E
009	PWR SPLY S1 AC FAIL		Power supply Source 1 AC has failed.	D, A, E
010	PWR SPLY S2 AC FAIL		Power supply Source 2 AC has failed.	D, A, E
011	PWR SPLY LOGIC FAIL		A power supply module has failed.	D, A, E
012	OUT VOLT SENSE FAIL		The output volt sense module failed	D, A, E
013	S1	VOLT SENSE FAIL	The Source 1 volt sense module failed.	D, A, E
014	S2	VOLT SENSE FAIL	The Source 2 volt sense module failed.	D, A, E
015	S1	SCR SENSE FAIL	The Source 1 SCR sense module failed.	D, A, E
016	S2	SCR SENSE FAIL	The Source 2 SCR sense module failed.	D, A, E
017	S1	CURR SENSE FAIL	The Source 1 SCR current module failed.	D, A, E
018	S2	CURR SENSE FAIL	The Source 2 SCR current module failed.	D, A, E
019	S1	GATE DRIVE FAIL	The Source 1 gate drive module failed.	D, A, E
020	S2	GATE DRIVE FAIL	The Source 2 gate drive module failed.	D, A, E
021	INTERNAL COMM FAIL		Internal CAN communications failed.	D, A, E
022	EXTERNAL COMM FAIL		Options CAN communications failed.	A, E
023	CB1 SHUNT TRIP FAIL		CB1 shunt trip failed.	A, E
024	CB2 SHUNT TRIP FAIL		CB2 shunt trip failed.	D, A, E
064	HEATSINK OVERTEMP		Heatsink has exceeded the recommended temperature.	A, E
067	S1	UV	Source 1 under voltage, fast detection.	A, E
068	S1	UV (RMS)	Source 1 under voltage, slow detection.	L, A, E
069	S1	OV	Source 1 over voltage	A, E
070	S1	OF/UF	Source 1 over frequency/under frequency	A, E
071	S1	FAIL	Source 1 failure.	A, E
072	S2	UV	Source 2 under voltage, fast detection.	A, E
073	S2	UV (RMS)	Source 2 under voltage, slow detection.	A, E
074	S2	OV	Source 2 over voltage.	A, E
075	S2	OF/UF	Source 2 over frequency/under frequency.	A, E
076	S2	FAIL	Source 2 failure.	A, E
077	S1 OVERCURRENT		Source 1 over current.	A, E
078	S2 OVERCURRENT		Source 2 over current.	A, E
079	S1	I-PEAK	I-PK on Source 1.	A, F, E
080	S2	I-PEAK	I-PK on Source 2.	A, F, E
081	SOURCES OUT OF SYNC		Source 1 and Source 2 are out of synchronization.	A, E
082	LOAD ON ALT SOURCE		The output load is running on the alternate source.	A, E
083	AUTO REXFER INHIBIT		Automatic retransfer is inhibited.	A, E

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