24
Troubles and solutions
6
Problem
Possible Cause
Solutions
No indication and alarm
even though the mains
is normal.
The AC input
power is not
connected well.
Check if input
power cord is
firmly connected
to the mains.
The AC input is
connected to the
UPS output.
Plug the AC input
to the AC input
correctly.
The icon
and
flashing on LCD display
and alarm is sounding
every second.
The external or
internal battery
is incorrectly
connected.
Check if all
batteries are
connected well.
Fault code is shown as
27 and the icon
is lighting on LCD
display and the alarm is
continuously sounding.
Battery voltage
is too high or the
charger is faulty.
Contact the
service center.
Fault code is shown
as 28 and the icon
is lighting on LCD
display and alarm is
continuously sounding.
Battery voltage
is too low or
the charger is
faulty.
Contact the
service center.
Summary of Contents for PWUP-OL100AT-AZ01B
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