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)

102

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Emerson 50 and 60 Hz, 400V, 30-200kVA user manual 102
Page 113 Page 115

30-200kVA, 400V, 50 and 60 Hz specifications

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