11Reference Table for the Display and UPS Operating Problems

11.1 Normal operation

Operating status /

Operating problems

Mains in tolerance range

Mains not in tolerance, i.e. batt. operation

 

 

LED indications

Warning signal

LC displays

Notes

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal (Normal)

Battery Battery) (On

Bypass (Fault)

Fault (Fault)

 

 

 

 

 

 

 

 

 

 

 

 

 

None

"utility power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 acoustic signal

 

 

 

 

 

 

 

 

 

 

 

every 4s

is abnormal"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11.2Battery Operation

Battery voltage

 

 

 

 

 

 

 

 

1 acoustic signal

"utility power

 

in tolerance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

every 4s

is abnormal"

 

range

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Battery voltage

 

 

 

 

 

 

 

 

1 acoustic signal

"battery voltage

Check battery

not in tolerance

 

 

 

 

 

 

 

 

every 2s

is too low"

system; poss.

 

 

 

 

 

 

 

 

range

 

 

 

 

 

 

 

 

Reduce load

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11.3Bypass Operation

Operating status /

Operating problems

Mains in tolerance range; bypass mode

Mains not in tolerance range; bypass mode

LED indications

Warning signal

LC displays

Notes

 

 

 

 

 

 

 

 

 

Normal (Normal)

Battery Battery) (On

Bypass (Fault)

Fault (Fault)

 

 

 

 

 

 

 

 

 

1 acoustic

 

Alarm stops

 

 

 

 

 

 

 

when UPS

 

 

 

 

 

 

signal every

 

 

 

 

 

 

 

 

returns to

 

 

 

 

 

 

 

 

 

 

 

 

 

2 min.

 

 

 

 

 

 

 

 

normal mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 acoustic

"utility power

USVoutput

 

 

 

 

 

 

voltage is

 

 

 

 

 

 

signal every 4 s

is abnormal"

 

 

 

 

 

 

 

 

 

 

 

 

switched off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45