28
Symptom
SymptomSymptom
Symptom
Possible Cause
Possible CausePossible Cause
Possible Cause
Remedy
RemedyRemedy
Remedy
No LED display
on the front panel
1. Battery weak 1. Charge battery
up to 8 hours
2. Battery defect 2. Replace with
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
specification.
When power
failure,
back-up time is
shorten.
1. Overload of the
UPS
1. Remove some
non-critical
load
2. Battery voltage
is too low
2. Charge battery
for 8 hours or
more
3. Battery defect
due to high
temperature
operation
environment, or
improper
operation of
battery
3. Replace with
the same type
of battery
Mains normal but
LED is flashing
Power cord is
loose.
Reconnect the
power cord.
If any abnormal situations occur that are not listed above, please stop
using the unit and contact your reseller for advice.
When replacing the batteries, use batteries with exactly same
specifications.
The battery must be replaced exclusively by qualified personnel (risk
of shock).
Do NOT replace battery by oneself. Please contact your reseller if
need.
8.
TROUBLESHOOTING
To Next Page
Loading...
