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6.
Maintenance Guide
6.1. Trouble Shooting
When the UPS becomes faulty or malfunctions during operation, you may
check the fault lists below for respective solutions. Should the problem persists,
please contact your local dealer for assistance.
Situation
Check Items
UPS Fault
LED
1.Er05,
Read the error code (see
next
page
for
error
readings)
displayed
by
the combinations of the
LEDs and verify the fault
as follow:
2. Overload
3.Er11 (UPS Over
Temperature)
4.Site wiring/Ground fault
5.Er14 (Fans out of order)
6.Other error codes
Solution
1. Check battery connection if is
properly done. Measure Battery
voltage to ensure batteries are
charged or healthy. Recharge
batteries for
4 hours
if necessary.
Simulate Utility outage to verify if
UPS is able to provide DC back-
up. Otherwise consult your local
dealer right away.
2. Disconnect some non critical loads
form the UPS output until
overload ceases. Check if there is
any short circuit between cables
due to broken cable insulator.
Replace the cables in necessary.
3. Remove any objects obstructing
the ventilation louvers. Verify if
the cooling fans are working
properly. Contacts your local
dealer to replace the fans if
necessary.
4. Verify if the "L" & "N" phase of the
Utility AC source has been
wrongly wired or if the Ground-
Neutral Voltage exceeded the
limits
5. Verify if the ventilating fans are
functioning properly. Do not
attempt to replace the fans by
yourself. Contact your local dealer
for replacement.
6. Consult your local dealer for
assistance.
42
UPS fails to provide
battery backup or its
back up time is shorter
than its intended
performance.
UPS is normal but no
Check if all power
Output to load
codes are properly
connected.
The UPS switches to
1. if any power strip is
battery mode then
connected
back to Utility mode,
to the UPS.
when connected
2. Verify if there is any
device is turned on.
damage to the utility
Or, the UPS
Wall Receptacle or if
switches back and
the cable cord plug is
forth between battery
faulty.
and Utility.
Strange noise and
smell
UPS is unable to
provide backup power
source
If the backup time remains non-
satisfactory after 4 hours of
charging, please contact your
local dealer for battery
replacement.
If problem persist, consult your
local dealer for technical
assistance.
1. Do not use power strip.
2. Replace the wall
receptacle/cable cord plug.
Immediately shut down the
whole System. Disconnect the
power from the UPS and call for
service.
Check that the battery
connectors are fully engaged.
Allow the battery to recharge if
the batter is weak. If problem
persist after recharging, replace
the battery. If problem persist,
consult your local dealer for
technical assistance.
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