TROUBLE SHOOTING
Symptom
Possible Cause
Remedy
No LED display on
the front panel.
1. Battery weak.
1. Charge battery up to 8 hours.
2. Battery defect.
2. Replace with the same type of
battery.
3. Power switch is not pressed.
3. Press the power switch again.
Alarm buzzer beeps
continuously when
AC supply is normal.
Overload of the UPS.
Verify that the load matches the UPS
capability specified in the spec.
When power failure,
back-up time is
shorten.
1. Overload of the UPS.
1. Remove some noncritical load.
2. Battery voltage is too low.
2. Charge battery 8 hours or more.
3. Battery defect due to high
temperature operation
environment, or improper
operation to battery.
3. Replace with the same type of
battery.
Mains normal but
LED is flashing.
Power cord is loose.
Reconnect the power cord properly.
If any abnormal situations occur that are not listed above, please call service people
immediately.
SYSTEM DESCRIPTION
Front panel:
1. USB Port
2. LED Indicators
–
AC Mode: Green lighting
Battery Mode: Green flashing
3. Power Switch
