OnLine Power Battery Backup System - Manual (Page 71)

OLP
Three Phase UPS Systems
8.0 HELP
8-6
Abnormal Description & Checkpoint Solution
(14) Al
l LED in the
front panel
light up
CPU inserting error in 3A or 3R PCB Insert the CPU into
correct socket.
Communication cables are connected
improperly.
Correct the wiring.
Communication software is not
installed successfully.
Reinstall the software.
(15)
Communicatio
n n interface
is not working
properly.
Communication port setup error. Correct the setup.
CPU inserting error in 3R PCB.
Insert the CPU into right
socket.
If the abnormal cannot be corrected
after the solution actions have been
taken. Refer to PCB LED
Detecting Guide and
check the 3R PCB.
The inverter switches of & are
not pressed simultaneously.
Try to press these two
buttons simultaneously (16) The
inverter has
been turned on
but no action
of inverter.
PCB Connection is not good.
Refer to PCB LED
Detecting Guide and
check the connection of
3W PCB.
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