Ewent EW3940, User Manual

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ENGLISH
8.3 Handling of abnormity
The UPS can serve and provide protection to users' equipment, but if there is
something abnormal, please turn to local UPS dealer for help, avoiding unnecessary
damage to the UPS.
When the UPS has the following problems, please follow the Steps below and if the
problem still cannot be solved, Please contact the local dealer.
Phenomenon Trouble Shooting
Battery fails to supply power. Check whether the battery
isn't charged enough?
Check whether the UPS is
turned on correctly?
UPS doesn't turn to AC (the input
plug of the UPS has been plugged
into the AC socket and AC is normal,
and the“on/off” button has been
pressed, but the AC indicating light
is not bright and the alarm beeps. Check whether the fuse is broken?
The fuse is placed on the UPS back
panel or near the AC input
After disconnecting the AC plug, put out
the fuse and check whether the fuse is
broken, if so, please replace it with a new
fuse.
When AC fails, the computer
doesn't work. When AC is working normal, please turn
on the UPS and charge the battery for at
least 10 hours. Please be sure the load is
connected to the correct output
AC output is normal, but the alarm
beeps. AC is over voltage or low voltage.