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Fault tracing 407
65A1
FBA A parameter
conflict
The drive does not have a
functionality requested by
PLC, or requested functionality
has not been activated.
Check PLC programming.
Check settings of parameter groups
50
Fieldbus adapter (FBA)
and
51 FBA A
settings
.
6681
EFB comm loss
Programmable fault:
58.14
Communication loss
action
Communication break in
embedded fieldbus (EFB)
communication.
Check the status of the fieldbus master
(online/offline/error etc.).
Check cable connections to the
EIA-485/X5 terminals 29, 30 and 31 on
the control unit.
6682
EFB config file
Embedded fieldbus (EFB)
configuration file could not be
read.
Contact your local ABB representative.
6683
EFB invalid
parameterization
Embedded fieldbus (EFB)
parameter settings
inconsistent or not compatible
with selected protocol.
Check the settings in parameter group
58
Embedded fieldbus
.
6684
EFB load fault
Embedded fieldbus (EFB)
protocol firmware could not be
loaded.
Contact your local ABB representative.
Version mismatch between
EFB protocol firmware and
drive firmware.
6685
EFB fault 2
Fault reserved for the EFB
protocol application.
Check the documentation of the protocol.
6686
EFB fault 3
Fault reserved for the EFB
protocol application.
Check the documentation of the protocol.
6882
Text 32-bit table
overflow
Internal fault.
Reset the fault. Contact your local ABB
representative if the fault persists.
6885
Text file overflow
Internal fault.
Reset the fault. Contact your local ABB
representative if the fault persists.
7081
Control panel loss
Programmable fault:
49.05
Communication loss
action
Control panel or PC tool
selected as active control
location for drive has ceased
communicating.
Check PC tool or control panel
connection.
Check control panel connector.
Disconnect and reconnect the control
panel.
7082
I/O module comm loss Communication between IO
module and drive is not
working properly.
Check the IO module installation.
7086
I/O module AI Over
voltage
Overvoltage detected in AI. AI
is changed to voltage mode. AI
will return automatically back
to mA mode when the AI signal
level is in accepted limits.
Check AI signal levels.
71A2
Mechanical brake
closing failed
Programmable fault:
44.17
Brake fault function
Mechanical brake control fault.
Activated e.g., if brake
acknowledgment is not as
expected during brake closing.
Check mechanical brake connection.
Check mechanical brake settings in
parameter group
44 Mechanical brake
control
.
Check that the acknowledgment signal
matches the actual status of the brake.
Code
(hex)
Fault / Aux. code
Cause
What to do
ACS380 FW.book Page 407 Friday, May 4, 2018 4:18 PM
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