ABB ACS880 - Page 569

What to doCause
Event name /
Aux. code
Code
(hex)
Check the auxiliary code (format XXYY
YYYY). “XX” specifies the number of the
The I/O extension module types specified
by parameters do not match the detected
configuration.
Ext I/O comm
loss
A799
I/O extension module (01: parameter
group 14 I/O extension module 1, 02: 15
I/O extension module 2 2, 03: 16 I/O
extension module 3).
“YY YYYY” indicates the problem (see
actions for each code below).
Check that the module is properly
seated in its slot.
Communication with module failed.00 0001
Check that the module and the slot
connector is not damaged.
Try installing the module into another
slot.
Check the type and location settings
of the modules (parameters 14.1/14.2,
15.1/15.2 or 16.1/16.2).
Module not found.00 0002
Check that the module is properly
seated in its slot.
Check that the module and the slot
connector is not damaged.
Try installing the module into another
slot.
Check the type and location settings
of the modules (parameters 14.1/14.2,
15.1/15.2 or 16.1/16.2).
Configuration of module failed.00 0003
Check that the module is properly
seated in its slot.
Check that the module and the slot
connector is not damaged.
Try installing the module into another
slot.
Check the type and location settings
of the modules (parameters 14.1/14.2,
15.1/15.2 or 16.1/16.2).
Configuration of module failed.00 0004
Check that the module is properly
seated in its slot.
Check that the module and the slot
connector is not damaged.
Try installing the module into another
slot.
Replace brake chopper if external. Drives
with internal choppers will need to be
returned to ABB.
Short circuit in brake chopper IGBT.BC short circuitA79B
Ensure brake resistor is connected and
not damaged.
Let chopper cool down.Brake chopper IGBT temperature has
exceeded internal warning limit.
BC IGBT
excess
temperature
A79C
Check for excessive ambient
temperature.
Check for cooling fan failure.
Check for obstructions in the air flow.
Check the dimensioning and cooling of
the cabinet.
Fault tracing 569