OPTI-UPS DS160KD33 - Manual (Page 82)

9-5
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 lit up. 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 improved as the
aforesaid solution action has 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.