OnLine Power Power Wave 4 - Manual (Page 98)

6005-145 Rev. A 9-13
Abnormal Description & Checkpoint Solution
(11)
Transferring
failure
between
reserve and
inverter.
DC BUS voltage becomes abnormal
during transferring. DCV value can be
read in LCD menu. Take out the P&P module 2
and make sure the SCR
drive connection is OK.
3P PCB has problem. Refer to PCB LED
Detecting Guide. Take out
the P&P module 2 and
check the 3P PCB.
LED A4(OTF) in the 3A PCB lights. Refer to PCB LED
Detecting Guide and check
the 3G PCB.
In P&P modules, the temperature sensor
sockets on 3G/3P PCB and hest sink are
not connected properly. WARNING
LED of FUSE/TEMP still illuminates. Take out the P&P module
and connect them properly.
Phase sequence error of output
transformer. Change the transformer
wiring.
If the abnormal cannot be improved as
the aforesaid solution action has been
taken. Refer to PCB LED
Detecting Guide and check
the 3G and 3P PCB.
(12) Phase
lack when AC
output.
The mimic output LED in the front panel
blinks. Make sure the signal
sockets in 3T PCB are
connected properly.
Fuse has blown in 3T PCB Replace the fuse.
If the abnormal cannot be corrected after
the solution actions have been taken. Refer to PCB LED
Detecting Guide and check
the 3T PCB.
(13) The
mimic battery
LED in the
front panel
blinks. Batteries become worn out or damaged. Replace batteries.