PCS100 AVC-20 User Manual 77
CIOB RS485
Communications timeout
(Modbus).
Repair external RS485 device
Transistor
Junction
OverTemp
Rectifier or Inverter
Transistor Junction model
hot.
Check all module fans are
operating properly and
ambient temperature is not
too high.
The system is rebooting,
perhaps after a firmware
upgrade.
A start, stop or reset
command has been
received from remote
terminal.
A start, stop or reset
command has been
received from the GDM.
The system has received an
automatic stop command.
Note: This typically occurs
after a reset.
A Mode change command
has been received by
master mux I/O lines
A Mode change command
has been received by a
Modbus connected device
A Mode change command
has been received by the
internal factory web pages
A Mode change command
has been received by the
remote user web pages
A Mode change command
has been received from the
command line
A Mode change command
has been received from an
unknown source.
RFI relay or driver indicated
a problem.
Power cycle system and if
problem persists contact ABB
service.
Many
contactor
activations
The soft charge contactor
is switching too often.
The Master has failed to
receive a response to a
status request from the
SCM.
(1) Check the event log for
SCM errors. (2) Check the
power supply to the SCM. (3)
Check VCAN cables and
connections between the
Master and the SCM.