
346 Fault tracing
7086
I/O module AI Over
voltage
Overvoltage detected in AI.
AI is changed to voltage
mode. AI will return
automatically back to mA
mode when the AI signal level
is in accepted limits.
Check AI signal levels.
7121
Motor stall
Programmable fault:
Motor is operating in stall
region because of e.g.
excessive load or insufficient
motor power.
Check motor load and drive ratings.
Check fault function parameters.
7122
Motor overload
Motor current is too high.
Check the motor, and the machinery
coupled to motor, for overload.
Adjust the parameters used for the
motor
overload function (
) and
…
7183
BR excess
temperature
Brake resistor temperature
has exceeded fault limit
defined by parameter
Stop drive. Let resistor cool down.
Check resistor overload protection
function settings (parameter group
Check fault limit setting, parameter
Check that braking cycle meets
allowed limits.
7310
Overspeed
Motor is turning faster than
highest allowed speed due
to incorrectly set
minimum/maximum speed,
insufficient braking torque
or changes in load when
using torque reference.
Check minimum/maximum speed
.
Check adequacy of motor braking
torque.
Check applicability of torque control.
Check need for brake chopper and
resistor(s).
73F0
Overfrequency
Maximum allowed output
frequency exceeded.
Check minimum/maximum frequency
Check adequacy of motor braking
torque.
Check applicability of torque control.
Check need for brake chopper and
resistor(s).
00FA
Motor is turning faster than
the
highest allowed frequency
due
to incorrectly set
minimum/maximum
frequency
or the motor rushes because
of
too high supply voltage or
incorrect supply voltage
selection in parameter
Check minimum/maximum frequency
settings, parameters
Check used supply voltage and voltage
selection parameter
Code
(hex) Fault / Aux. code
Cause
What to do
Содержание ACS280
Страница 1: ... ABB MACHINERY DRIVES ACS280 coldplate drives Firmware manual ...
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Страница 24: ...24 Default control connection ...
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