ABB ACS560 - Page 141

What to doCauseWarning/Aux
code (aux code
visible only on
assistant con-
trol panel and
drive composer)
Code
(hex)
Check the temperature setting
parameters.
Sensor type mismatchIncorrect temper-
ature sensor
setup
A490
Check the parameter 35.02 Meas-
ured temperature 1, cooling of the
motor, value of 35.13 Temperature
1 warning limit.
Measured temperature 1
exceeded warning limit.
External temper-
ature 1
A491
Check the parameter 35.03 Meas-
ured temperature 2, cooling of the
motor, value of 35.23 Temperature
2 warning limit.
Measured temperature 2
exceeded warning limit.
External temper-
ature 2
A492
Check the sensor and change the
control board.
Control board temperat-
ure is excessive. 1 – Sensor
fault.
Control board
temperature.
A4A0
Check ambient condition, air flow
and fan operation, heatsink fins for
dust pick-up, motor power against
drive power.
Estimated drive IGBT
temperature is excessive.
IGBT overtemper-
ature
A4A1
Check ambient temperature, drive
module cooling air flow and fan
operation, dust pick-up in the inside
of cabinet and heatsink of drive
module. Clean whenever necessary.
Drive module temperature
is excessive.
CoolingA4A9
Check ambient conditions, air flow
and fan operation, dust pick-up in
heatsink fins, motor power against
drive power.
Power unit module temper-
ature is excessive.
Excess temperat-
ure
A4B0
Check motor cabling and drive
module(s) cooling.
High temperature differ-
ence between the IGBTs
of different phases.
Excess temperat-
ure difference
A4B1
Check ambient conditions, air flow
and fan operation, dust pick-up in
heatsink fins and motor power
against drive power.
Drive IGBT temperature is
excessive.
IGBT temperat-
ure
A4F6
Check connections between drive
control unit and power unit and
value of parameter 95.04 Control
board supply.
Communication errors
between drive control unit
and power unit.
PU communica-
tion
A580
Diagnostics 141
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