384 Fault tracing
A6E5
AI parametrization
The current/voltage hardware
setting of an analog input does
not correspond to parameter
settings.
Check the event log for an auxiliary code.
The code identifies the analog input
whose settings are in conflict.
Adjust either the hardware setting (on the
drive control unit) or parameter
Note:
Control board reboot (either by
cycling the power or through parameter
) is required to
validate any changes in the hardware
settings.
A780
Motor stall
Programmable warning:
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.
A793
BR excess
temperature
Brake resistor temperature has
exceeded warning limit defined
by parameter
Stop drive. Let resistor cool down.
Check resistor overload protection
function settings (parameter group
).
Check warning limit setting, parameter
.
Check that the resistor has been
dimensioned correctly.
Check that braking cycle meets allowed
limits.
A794
BR data
Brake resistor data has not
been given.
One or more of the resistor data settings
(parameters
) is incorrect.
The parameter is specified by the
auxiliary code.
0000 0001 Resistance value too low.
Check value of
0000 0002 Thermal time constant not
given.
Check value of
0000 0003 Maximum continuous power
not given.
Check value of
A79C
BC IGBT excess
temperature
Brake chopper IGBT
temperature has exceeded
internal warning limit.
Let chopper cool down.
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.
Check resistor overload protection
function settings (parameters
).
Check minimum allowed resistor value
for the chopper being used.
Check that braking cycle meets allowed
limits.
Check that drive supply AC voltage is not
excessive.
A7AB
Extension I/O
configuration failure
Installed CMOD module is not
the same as configured.
Check that the installed module (shown
by parameter
) is the same as selected by
parameter
.
Code
(hex)
Warning / Aux. code
Cause
What to do
ACS580 FW.book Page 384 Wednesday, September 21, 2016 9:48 PM
Содержание ACS580 Series
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