Symptom Possible cause Remedy
Fault code is shown as 01,
02, 03, 04, 11, 12, 13 and 41
on LCD display and alarm is
continuously sounding.
A UPS internal fault has oc-
curred. 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.
Fault code is shown as 05 on
LCD display. At the same time,
alarm is continuously sounding
and output is cut off.
A UPS internal fault has oc-
curred and BUS is short circuit.
Consult your dealer. If the UPS power is on
again before repair, the DC/DC mosfet will
damage.
5. Storage and maintenance
5-1. Operation
The UPS system contains no user-serviceable parts. If the battery service life (3~5 years at 25
o
C
ambient temperature) has been exceeded, the batteries must be replaced. In this case, please contact
your dealer.
Be sure to deliver the spent battery to a recycling facility
or ship it to your dealer
in the replacement battery packing material.
5-2. 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
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