9
Owner’s manual
EN
‘BACKUP’ (Slow Alarm)
When the UPS is working under ‘BACKUP’ mode, the UPS would emit audible alarm.
The alarm stops when the UPS is return to ‘LINE’ mode operation. Anyone can stop the
alarm by press the power switch during backup mode.
Attention: The alarm of ‘BACKUP’ is going to beep every 8 seconds (Slow-speed
beep).
‘LOW BATTERY’ (Rapid Alarm)
In the ‘BACKUP’ mode, when low battery occurs (about 20%~30%). The UPS beeps
rapidly until the UPS shuts down from battery exhaustion or returns to ‘LINE’ mode
operation.
Attention: The alarm of the batteries caused by low voltage beeps every 0.5 second.
Attention:
The rapid alarm under ‘LOW BATTERY’ condition can not be muted.
‘OVERLOAD’ (Continuous Alarm)
When the UPS is working under overload condition (the connected loads exceed the
maximum rated capacity), the UPS will emit continuous alarm to warn an overload
condition. In order to protect the unit and the loads, the UPS will be automatic turn off.
Please disconnect nonessential devices from UPS to estimate the overload alarm.
ALARM
TROUBLE SHOOTING
PROBLEM
POSSIBLE CAUSE
ACTION TO TAKE
UPS cannot turn on
Battery voltage less than
10V
Recharge the UPS at least
6 hours
UPS always at battery
mode
Power cord loose
Plug in the power cord
AC fuse burnt out
Reset the AC fuse
Line voltage too high, too
low or black out
Normal condition
Backup time too short
Battery not fully charged
Recharge the UPS at least
6 hours
Buzzer continuous beep-
ing
Overload
Remove some loads
Battery exhaustion
Charge the battery
