What to doCauseWarning/Aux
code (aux code
visible only on
assistant con-
trol panel and
drive composer)
Code
(hex)
Check mechanical brake settings in
parameter group 44 Mechanical
brake control. Check that the ac-
knowledgment signal (if used)
matches the actual status of the
brake.
Open conditions of mech-
anical brake cannot be
fulfilled.
Mechanical
brake opening
not allowed
A7A5
Replace I/O module.Calibration data is not
stored in the I/O module.
Analog signals are not
working with full accuracy.
I/O Module in-
ternal error
A7AC
The safe torque off function was
active and has been reset while in
Override. A new start signal is re-
quired in order to start the drive
again.
Override new start re-
quired
Override new
start required
AFF5
Informative warning. Motor pre-
heating is active. Current specified
by parameter 21.16 Pre-heating time
delay is being passed through the
motor.
Pre-heating is being per-
formed
Motor heating
active
AFF8
Informative warning. See parameter
70.02 Override enable.
Override active warning.Override activeAFFE
Check motor load, drive ratings and
fault function parameters.
Motor is operating in stall
region.
Motor stall (Pro-
grammable
warning: 31.24
Stall function)
A780
Check for overloaded motorMotor current is too high.Motor overloadA783
Adjust the parameters used for the
motor overload function.
(35.51…35.53, 35.55, 35.56).
Diagnostics 145
EN
HI
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