PowerWalker VFI 1000RM LCD - Manual (Page 19)

18
EN
Symptom Possible cause Remedy
Fault code is shown as 14 and
the icon is lighting on
LCD display and alarm is
continuously sounding.
The UPS shut down
automatically because
short circuit occurs on the
UPS output.
Check output wiring and if
connected devices are in
short circuit status.
Fault code is shown as 1, 2, 3, 4,
11, 12, 13 and 41 on LCD display
and
alarm is continuously
sounding.
A UPS internal fault has
occurred. There are two
possible results:
1.
The load is still
supplied, but directly from
AC power via bypass.
2. The load is no longer
supplied by power.
Contact your dealer
Battery backup time is shorter
than nominal value Batteries are not fully
charged Charge the batteries for at
least 5 hours and then
check capacity. If the
problem
still persists,
consult your dealer.
Batteries defect Contact your dealer to
replace the battery.
The icon
and the warning
code flashing on LCD
display and alarm is sounding
every second.
Fan is locked or not
working Check fans and notify
dealer!!
5. Storage and Maintenance
Operation
The UPS system contains no user-serviceable parts. If the battery service life (3~5 years
at 25°C ambient temperature) has been exceeded, the batteries must be replaced. In this
case, please contact your dealer.
Storage
Before storing, charge the UPS 5 hours. Store the UPS covered and upright in a cool, dry
location. During storage, recharge the battery in accordance with the following table:
Storage Temperature Recharge Frequency Charging Duration
-25°C - 40°C Every 3 months 1-2 hours
40°C - 45°C Every 2 months 1-2 hours
Be sure to deliver the spent battery to a recycling facility or ship it to your
dealer in the replacement battery packing material.