Fault tracing 361
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.
7085
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.
71A3 Mechanical brake
opening failed
Programmable fault: 44.17
Brake fault function
Mechanical brake control fault.
Activated e.g. if brake
acknowledgement is not as
expected during brake
opening.
Check mechanical brake connection.
Check mechanical brake settings in
parameter group 44 Mechanical brake
control.
Check that acknowledgement signal
matches actual status of brake.
71A5 Mechanical brake
opening not allowed
Open conditions of mechanical
brake cannot be fulfilled (e.g.,
the brake has been prevented
from opening by parameter
44.11).
Check mechanical brake settings in
parameter group 44 Mechanical brake
control (especially 44.11).
Check that the acknowledgment signal (if
used) matches the actual status of the
brake.
Code
(hex)
Fault / Aux. code Cause What to do
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