OnLine Power Power Wave 4 - Manual (Page 97)

6005-145 Rev. A 9-12
Abnormal Description & Checkpoint Solution
(10) The
inverter shuts
down during
operation,
while the
FAULT LED
lights and
buzzer beeps
continuously.
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
right side will also light. Decrease the load to under
the ELI’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 ELI’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
module1 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 295VDC). Within 30 minutes, the
inverter will restore running
automatically once the AC
main is back.
The Emergency Switch has been
triggered. Switch off the inverter first
then on once more to restart
the inverter.