NGS FORTRESS series Handbuch Seite 5

ENGLISH
HANDLING OF AbNORmITy
The UPS can serve and provide protection tousers' 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 can not be solved, please
contact the local dealer.
Phenomenon
Battery fails to supply power.
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
button has been pressed, but the AC indicating light is not
bright and the alarm beeps.
When AC fails, the computer doesn't work.
AC output is normal, but the alarm beeps.
Trouble Shooting
Check whether the battery isn't charged charge enough.
Check whether the UPS is not turned on correctly.
Check whether the fuse is broken? The fuse is placed on the
UPS back panel. 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.
Please turn on the UPS and charge the battery for at least 10
hours, when AC is normal and then turn on the UPS.
AC is over voltage or low voltage.
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