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7. Trouble Shooting
If the UPS system does not operate correctly, first check the operating
information on the LCD display.
Please attempt to solve the problem using the table below. If the
problem still persists, consult your dealer.
7.1 Trouble Shooting According To Warning Indication
Problem Displayed
Possible cause
Remedy
Epo Active
EPO connector is
open
Check the EPO connector
status
On Maintain Bypass
Maintain bypass
switch is open
Check the maintain bypass
switch status
Battery Disconnect
Battery pack is not
connected correctly
Do the battery test to confirm.
Check the battery bank is
connected to the UPS.
Check the battery breaker is
turn on.
Battery low
Battery voltage is low
When audible alarm sounding
every second, battery is almost
empty.
Output Overload
Overload
Check the loads and remove
some non-critical loads.
Check if some loads are failed.
Fan Failure
Fan abnormal
Check if the fan is running
normally.
Charger Fail
The charge fails
Consult dealer.
Over Charge
Battery is over
charged
The UPS will turn off the
charger until the battery voltage
is normal
Model Pin Error
UPS internal fault
Consult dealer.
Heatsink Over
Temperature
Inside temperature of
UPS is too high
Check the ventilation of UPS
and the ambient temperature.
Para Cable Male Loss
The parallel cable is
disconnected
Check the parallel cable.
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