Emerson 50 and 60 Hz, 400V, 30-200kVA user manual UPS messages, Operator Control Panel and Display

		Operator Control Panel and Display
Table 23	UPS messages
Message		Description / Suggested Action (if any)
Auto start		After UPS was shutdown at EOD, inverter auto starts when utility restore
REC FLASH UPDATE		Rectifier firmware is being updated
INV FLASH UPDATE		Inverter firmware is being updated
MONITOR FLASH UPDATE		Monitor firmware is being updated
Input contactor fault		Input contactor fault
Contactor P.S. 1 fault		Contactor Power Supply board 1 Fault
Contactor P.S. 2 fault		Contactor Power Supply board 2 Fault
LBS abnormal		LBS is abnormal
DSP firmware error		The inverter firmware does not match with the rectifier firmware.
Input Fuse		Fail Internal AC Input Fuse to Rectifier Failed. Rectifier shuts down. Battery
		discharges. Not applicable for 30-40kVA models.
Input Disconnect Open		AC mains input power switch open
Input Disconnect Closed		AC mains input power switch closed
Maint. Disconnect Open		Maintenance bypass power switch open
Maint. Disconnect Closed		Maintenance bypass power switch closed
Bypass Disconnect Open		AC bypass input power switch open
Bypass Disconnect Closed		AC bypass input power switch closed
Output Disconnect Open		UPS Output power switch open
Output Disconnect closed		UPS Output power switch closed
Input Inductor Overtemp.		Overheating of Rectifier input filter choke. Rectifier shuts down. Battery discharges.
Balancer Fault		Internal VDC(+) and VDC(-) off-set by over 50V exceeding the Inverter DC offset
		compensation capacity. Inverter shuts down. Load transfers to bypass.
Balancer Over Current		Internal Inverter DC off-set balancing IGBT current rating exceeded 300%. Inverter
		shuts down. Load transfers to bypass.
Balancer overtemp.		Inverter voltage offset control choke overheated. Inverter shuts down. Load
		transfers to bypass.
Inv. Inductor Overtemp.		Inverter output filter choke overheated. Inverter shuts down. Load transfers to
		bypass.
Batt. Converter Fault		Battery converter output voltage beyond limits or battery fuse failed. Battery
		converter shuts down. Battety backup not available.
Batt. Conv. Over. Curr.		Battery converter overloaded. Battery converter shuts down. Battery backup not
		available.
Batt. Converter Overtemp.		Overheating of Battery converter heatsinks. Battery converter shuts down. Battery
		backup not available.
Output Disabled		UPS Output Disabled (test mode)

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