ABB ACQ80, Firmware Manual

Page: 313 / 390

Fault tracing 313
A6D1 FBA A parameter
conflict
The drive does not have a
functionality requested
by a PLC, or requested
functionality has not
been activated.
Check PLC programming.
Check settings of parameter
groups
50 Fieldbus adapter
(FBA)
.
A6E5 AI parametrization The current/voltage
hardware setting of an
analog input does not
correspond to parameter
settings.
Check the event log for an
auxiliary code. The code
identifies the analog input
whose settings are in conflict.
Adjust either the hardware
setting (on the drive control
unit) or parameter
12.15
/
12.25
.
Note: Control board reboot
(either by cycling the power or
through parameter
96.08 Control
board boot
) is required to
validate any changes in the
hardware settings.
A780 Motor stall
(Programmable
warning:
31.24 Stall
function
)
Motor is operating in
stall region.
Check motor load, drive ratings
and fault function parameters.
A783 Motor overload Motor current is too high. Check for overloaded motor
Adjust the parameters used for
the motor overload function.
(
35.51
…
35.53
,
35.55
,
35.56
)
A784 Motor disconnect All three output phases
are
disconnected from
motor.
Check if parameter
95.26
enables the
use of a motor disconnect
switch. If not,
check the following:
• All switches between drive and
motor
are closed.
• All cables between drive and
motor
are connected and secured.
If no issue was detected and
drive output
was actually connected to
motor, contact
ABB.
Code
(hex)
Warning / Aux.
code
(
aux code visible
only on assistant
control panel and drive
composer)
Cause What to do