Operation

Figure 15. LED Panel

The following table shows the LED status and description.

LED

Status

Description

 

 

 

UPS ON

On

UPS is operating normally.

 

 

 

 

Blinking

UPS is starting up or is shut down and waiting for power to

 

 

return.

 

 

 

 

Off

UPS is turned off and will not turn on automatically.

 

 

 

LINE ON

On

The utility voltage is acceptable for UPS and BYPASS

 

 

operation.

 

 

 

 

Off

The utility voltage is not acceptable for BYPASS operation. The

 

 

UPS may still be operating on utility power.

 

 

 

ON BATTERY

On

UPS is in Battery Mode.

 

 

 

 

Blinking

The battery voltage is low and has less than five minutes of

 

 

backup time left before UPS shutdown.

 

 

 

BYPASSED

On

UPS is in Bypass Mode.

 

 

 

LOAD

On

Output is on.

 

Off

No output.

 

 

 

40

On

> 40% load

60

On

> 60% load

80

On

> 80% load

OVERLOAD

On

Power requirements exceed the UPS capacity (greater than

 

 

100% of nominal).

 

 

 

 

Blinking

Overload condition caused the UPS to shut down.

 

 

 

40

Powerware® 9150 User’s Guide : www.powerware.com