OnLine Power Battery Backup System - Manual (Page 69)

OLP
Three Phase UPS Systems
8.0 HELP
8-4
Abnormal Description & Checkpoint Solution
Bypass breaker has been closed
(switched on).
Open the bypass breaker.
The inverter will restore
running automatically.
The output is short-circuited, including
the load itself.
Clear the short circuit at
the output, then switch off
the inverter.
Secondly, switch on once
more to restart the
inverter.
The output is overloaded. The LCD
will display warning message ‘ XXX%
OVERLOAD’ in the STATUS/WARN
menu (MAIN menu → SELECT
menu → STATUS/WARN menu).
XXX%
OVERLOAD LED on left side of the
front panel and OVERLOAD LED on
Decrease the load to under
the UPS’s rated power.
Then the inverter will
restore running
automatically.
Heat Sink is over temperature.
WARNING LED of FUSE/TEMP still
illuminates.
Decrease the load to under
the UPS’s rated power,
then switch off the
inverter. Secondly, switch
on once more to restart
the inverter.
IBGT-protect fuse has blown in P&P
module 1 or IGBT damage. Take out the P&P module
and replace fuse or IGBT.
When in battery back-up mode, the
inverter shuts down due to battery low
(lower than 295 VDC).
Within 30 minutes, the
inverter will restore
running automatically
once the AC main is back.
(10) The
inverter shuts
down during
operation,
while the
FAULT LED
lights and
buzzer beeps
continuously.
The Emergency Switch has been
triggered.
Switch off the inverter
first then on once more to
restart the inverter.