ABB ACS880 Firmware Manual page 602

602 Fault tracing
Code
Fault
(hex)
9085 External fault 5
(Editable message text)
Programmable fault:
External event 5 source
31.10 External event 5
type
FA81 Safe torque off 1 loss
FA82 Safe torque off 2 loss
FB11 Memory unit missing
FB12 Memory unit
incompatible
FB13 Memory unit FW
incompatible
FB14 Memory unit FW load
failed
Cause
Fault in external device 5.
31.09
Safe torque off function is
active, i.e. STO circuit 1 is
broken.
Safe torque off function is
active, i.e. STO circuit 2 is
broken.
No memory unit is attached to
the control unit.
The memory unit attached to
the control unit is empty.
The memory unit attached to
the control unit is incompatible.
The firmware on the attached
memory unit is incompatible
with the drive.
The firmware on the attached
memory unit could not be
loaded to the drive.
What to do
Check the external device.
Check setting of parameter
External event 5 source.
Check safety circuit connections. For
more information, see appropriate drive
hardware manual and description of
parameter 31.22 STO indication run/stop
(page 306).
Check the auxiliary code, The code
contains location information, especially
with parallel-connected inverter modules.
When converted into a 32-bit binary
number, the bits of the code indicate the
following:
31...28: Number of faulty inverter module
(0...11 decimal). 1111: STO_ACT states
of control unit and inverter modules in
conflict
27: STO_ACT state of inverter modules
26: STO_ACT state of control unit
25: STO1 of control unit
24: STO2 of control unit
23...12: STO1 of inverter modules 12...1
(Bits of non-existing modules set to 1)
11...0: STO2 of inverter modules 12...1
(Bits of non-existing modules set to 1)
Power down the control unit.
Check that the memory unit is properly
inserted into the control unit.
Power down the control unit. Attach a
memory unit (with the appropriate
firmware) to the control unit.
Power down the control unit.
Attach a compatible memory unit.
Power down the control unit.
Attach a memory unit with compatible
firmware.
Power down the control unit.
Check that the memory unit is properly
inserted into the control unit.
If the problem persists, replace the
memory unit.
31.09