Emerson 40-200KVA user manual 121

UPS Status Messages

Table 49 UPS status messages

Event Message	Description / Suggested Action (if any)
Balancer Fault	Internal VDC (+) and VDC (-) offset by over 50V exceeding the inverter DC offset compensation
	capacity. Inverter shuts down. Load transfers to bypass.
Operation Invalid	This record is registered following an incorrect operation.
Byp. Abnormal Shutdown	Both bypass and inverter voltages unavailable. Load interruption
Setting Save Error	History records not saved (Reserved)
Protocol version clash	Firmware incompatibility between monitor board and digital signal processor board
MBP-T cabinet Fan Fault	Maintenance bypass cabinet fans fault
Ext Input TX Overtemp	External input isolation transformer overtemperature
Ext Output TX Overtemp	External output isolation transformer overtemperature
Battery Room Alarm	Environment in Battery Room Needs Attention
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
LBS abnormal	LBS is abnormal
DSP firmware error	The inverter firmware is not compatible with the rectifier firmware.
Fan power fail	Fan power has failed
Keyboard fault	Keyboard has a fault. Check the cable between keyboard with U2 board. Contact Liebert
	Services at 800-543-2378 for assistance.
KVA Invalid	An invalid kVA has been configured in unit.Contact Liebert Services at 800-543-2378 for
	assistance.
KVA updated	The capacity updating is successful.
Output ground fault	Output Line is shorted with ground

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