
What to do
Cause
Event name /
Aux. code
Code
(hex)
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)
Check safety circuit connections. For
more information, see appropriate
Safe torque off function is active, ie.
STO circuit 2 is broken.
Safe torque
off 2 loss
FA82
drive hardware manual and
description of parameter
indication run/stop (page 320)
.
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)
Contact your local ABB representative.
SW internal malfunction.
STO
diagnostics
failure
FA90
Memory unit
missing
FB11
•
Power down the control unit.
Check that the memory unit is
properly inserted into the control
unit.
•
No memory unit is attached to
the control unit.
•
The memory unit attached to the
control unit is empty.
Fault tracing 593
Содержание ACS880 N5700 Series
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