Fault tracing 381
A2B4
Short circuit
Short-circuit in motor cable(s)
or motor.
Check motor and motor cable for cabling
errors.
Check motor and motor cable (including
phasing and delta/star connection).
Check for an earth fault in motor or motor
cables by measuring the insulation
resistances of motor and motor cable.
See chapter
Electrical installation
,
section
Checking the insulation of the
assembly
in the
Hardware manual
of the
drive.
Check there are no power factor
correction capacitors or surge absorbers
in motor cable.
A2BA IGBT overload
Excessive IGBT junction to
case temperature. This
warning protects the IGBT(s)
and can be activated by a short
circuit in the motor cable.
Check motor cable.
Check ambient conditions.
Check air flow and fan operation.
Check heatsink fins for dust pick-up.
Check motor power against drive power.
A3A1
DC link overvoltage
Intermediate circuit DC voltage
too high (when the drive is
stopped).
Check the supply voltage setting
(parameter
). Note
that the wrong setting of the parameter
may cause the motor to rush
uncontrollably, or may overload the brake
chopper or resistor.
Check the supply voltage.
If the problem persists, contact your local
ABB representative.
A3A2
DC link undervoltage
Intermediate circuit DC voltage
too low (when the drive is
stopped).
A3AA DC not charged
The voltage of the intermediate
DC circuit has not yet risen to
operating level.
A490
Incorrect temperature
sensor setup
Sensor type mismatch
Check the settings of temperature source
parameters
and
against
91.21
and
91.25.
A491
External temperature
1
(Editable message text)
Measured temperature 1 has
exceeded warning limit.
Check the cooling of the motor (or other
equipment whose temperature is being
measured).
Check the value of
.
A492
External temperature
2
(Editable message text)
Measured temperature 2 has
exceeded warning limit.
Check the cooling of the motor (or other
equipment whose temperature is being
measured).
Check the value of
.
A4A1
IGBT overtemperature Estimated drive IGBT
temperature is excessive.
Check ambient conditions.
Check air flow and fan operation.
Check heatsink fins for dust pick-up.
Check motor power against drive power.
Code
(hex)
Warning / Aux. code
Cause
What to do
ACS580 FW.book Page 381 Wednesday, September 21, 2016 9:48 PM
Содержание ACS580 Series
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Страница 444: ...440 Fieldbus control through a fieldbus adapter ACS580 FW book Page 440 Wednesday September 21 2016 9 48 PM ...
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