USER’S MANUAL
8. INDICATORS & ALARMS
9. TROUBLE SHOOTING
Indicator
Color
Description
Alarm
Line LED
Green
Utility is normal Output Load is supplied by Utility.
None
Inverter LED Red
Steady (with alarm): Output Load is supplied by
Battery.
Every 5 seconds before battery Low and
every 1 second before battery Cutoff.
Charge LED Amber
Indication of a status of a charge of storage batteries.
None
Situation
Check Items
Solution
Mains normal but 'Line' LED is not on.
Is the power switch on?
Is the fuse in order?
Is the power cord loose?
Press Main Switch on.
Change fuse with same rating.
Reconnect the power cord properly.
'Inverter' LED flashes every 5 second but
no output.
Battery voltage is too low.
Recharge the UPS for 8 hours.
Alarm buzzer beeps continuously when
Utility is normal.
Check to see load status if it is in
overload.
Remove some uncritical load.
No LED's display on the front panel.
Consult with your sales agent For help.
UPS dose not provide expected back up
time.
The UPS's battery is weak due to
recent outage.
The UPS's battery is near the end of
its service life.
Charge the battery.
If the battery is near the end of its serv
ice lift, consider replacing the battery.
UPS switch on then connect Utility, but
UPS is unable to work under Utility mode.
Is the Utility normal?
If Utility is normal, connect Utility first
then restart UPS.
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