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Autotuning warning AF90
24 ABB industriAl drives DCS880 QuiCk guiDe - 3ADW000480R020124 ABB industriAl drives DCS880 QuiCk guiDe
Aux codes Cause and what to do
Autotuning
YYYY indicates the problem. Actions see below.
The drive was stopped before the autotuning finished.
was prematurely removed.
Autotuning aborted by a fault.
Repeat autotuning until successful.
Motor is turning. No speed zero indication.
Armature current not zero.
Field current autotuning wrongly started in armature drive,
please use the field exciter.
type.
control word) was not set in time.
Measured field current does not reach the field current
reference.
No detection of field resistance.
Field circuit open (e.g. not connected) respectively
interrupted.
Unable to detect a field inductance.
Firmware fault. Contact your local ABB representative.
The drive was stopped before the autotuning finished.
was prematurely removed.
Autotuning aborted by a fault.
Repeat autotuning until successful.
control word) was not set in time or is missing.
Invalid nominal armature current setting.
Motor is turning. No speed zero indication.
Armature circuit and/or armature voltage measurement
No load connected to armature circuit.
Armature voltage measurement circuit open (e.g. not
interrupted. This can be checked by measuring the motor
current and torque limits.
Firmware fault. Contact your local ABB representative.
The drive was stopped before the autotuning finished.
was prematurely removed.
Autotuning aborted by a fault.
Repeat autotuning until successful.
Tuning of speed controller, speed feedback assistant or
tacho fine-tuning not possible due to speed limitation -
speed.
Tuning of speed controller, speed feedback assistant or
tacho fine-tuning not possible due to voltage limitation.
During the tuning of the speed controller, the speed
feedback assistant or the tacho fine-tuning base speed,
In case the mains voltage is too low to provide for the
needed armature voltage the autotuning procedure is
canceled.
Check and adapt if needed:
Aux codes Cause and what to do
control word) was not set in time or is missing.
Motor could not accelerate to base speed.
current.
Tacho adjustment faulty or not OK or the tacho voltage is
too high during autotuning.
The drive was stopped before the autotuning finished.
was prematurely removed.
Autotuning aborted by a fault.
Repeat autotuning until successful.
control word) was not set in time or is missing.
Tuning of speed controller, speed feedback assistant or
tacho fine-tuning not possible due to speed limitation -
speed.
Motor is turning. No speed zero indication.
Motor could not decelerate with full autotuning torque.
current.
Armature current not zero.
Tuning of speed controller, speed feedback assistant or
tacho fine-tuning not possible due to voltage limitation.
During the tuning of the speed controller, the speed
feedback assistant or the tacho fine-tuning base speed,
In case the mains voltage is too low to provide for the
needed armature voltage the autotuning procedure is
canceled. Check and adapt if needed:
Mains voltage
Required torque reference could not be reached before the
drive reached base speed.
operation mode.
Motor could not accelerate to base speed.
current.
No writing of control parameters of speed controller
possible.
Firmware fault. Contact your local ABB representative.
The drive was stopped before the autotuning finished.
was prematurely removed.
Autotuning aborted by a fault.
Repeat autotuning until successful.
control word) was not set in time or is missing.
Motor is turning. No speed zero indication.
operation mode.
Wrong order of measurement results in the flux
Firmware fault. Contact your local ABB representative.
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