34
install a new parallel system
"
.
5) Switch on the main input breaker and the main output breaker, and set the
main maintenance bypass switch from
"
BPS
"
to
"
UPS
"
, Press the button
of one UPS, each UPS would start to turn on, after turning on, the UPS should
work parallel in the Line mode.
9. 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.
9.1. Trouble Shooting According To Warning
Indication
Problem Displayed
Possible cause
Remedy
EPO Active
EPO connector is
open
Check the EPO connector
status
Site Fail
The Ground wire is
disconnected or Phase
and neutral conductor at
input of
UPS system are
reversed
Check the Ground wire status.
Reverse mains power wiring.
Battery Open
Battery is disconnected
Do the battery test to confirm.
Check the battery bank is
connected to the UPS.
Check the battery breaker is
turn on.
Battery volt low
Battery voltage is low
When audible alarm sounding
every second, battery is almost
empty.
Over load
Over load
Check the loads and remove
some non-critical loads.
Check if some loads are failed.
Fan Fail
Fan abnormal
Check if the fan is running
normally.
Charger Fail
The charge fails
Consult dealer.
