User manual
UPS Status Messages
101
Battery Contactor Open Battery Contactor Open
Battery Contactor Close Battery Contactor Close
Battery Reverse Connect the battery again and check the wiring of batteries
No Battery Check the battery and the wiring of batteries
Auto start After UPS was shutdown at EOD, inverter auto starts when utility restore.
BCB closed BCB closed from dry contact signal.
BCB open BCB open from dry contact signal.
Battery Float Charging Battery is float charging
Battery Boost Charging Battery is boost charging
Battery Discharging Battery is discharging
Battery Period Testing Battery is period self-testing.
Batt. Capacity Testing Battery is capacity self-testing.
Batt. Maint. Testing Battery is maintenance self-testing.
UPS System Testing UPS System is testing
Inverter in Setting Inverter is in parameter setting
Rectifier in Setting Rectifier is in parameter setting
Balancer Fault
Internal VDC (+) and VDC (-) offset by over 50V exceeding the inverter DC offset compensation
capacity. Inverter shuts down. Load transfers to bypass.
Balancer Over Current
Internal Inverter DC offset balancing IGBT current rating exceeded 300%. Inverter shuts down.
Load transfers to bypass.
Batt. Contactor Fail Battery contactor or circuit breaker not responding to control signals.
Batt. Converter Fault
Battery converter output voltage beyond limits or battery fuse failed. Battery converter shuts
down. Battery 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.
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)
Mains Neutral Lost AC Input mains reference neutral not detected.
Balancer overtemp. Inverter voltage offset control choke overheated. Inverter shuts down. Load transfers to bypass.
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
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 the rectifier firmware.
Table 44 UPS status messages (continued)
Event Message Description / Suggested Action (if any)