
332 Fault tracing
A4A9 Cooling
Drive module temperature is
excessive.
Check ambient temperature. If it
exceeds 50 °C /122 °F, ensure that load
current does not exceed derated load
capacity of drive. See chapter
Technical data
, section
Derating
in the
hardware manual of the drive.
Check drive module cooling air flow
and fan operation.
Check inside of cabinet and heatsink
of drive module for dust pick-up. Clean
whenever necessary.
A4B0 Excess temperature
Power unit module
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.
A4B1
Excess temperature
difference
High temperature difference
between the IGBTs of
different phases.
Check the motor cabling.
Check cooling of drive module(s).
A4F6 IGBT temperature
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.
A580 PU communication
Communication errors
detected between the drive
control unit and the power
unit.
Check the connections between the
drive control unit and the power unit.
A591
Drive HW
initialization
Initialization of the drive
hardware.
Check the auxiliary code. See actions
for
each code below.
0000
Drive hardware setup is
initializing.
Wait for the setup to initialize.
0001
Initializing HW settings for
the first time.
Wait for the setup to initialize.
A5A0 Safe torque off
Programmable
warning:
Safe torque off function is
active, ie safety circuit
signal(s) connected to
connector STO is lost.
Check safety circuit connections. For
more information, see chapter
The
Safe torque off function
in the
hardware manual of the drive and
description of parameter
(page
).
A5EA Measurement circuit
temperature
Problem with internal
temperature measurement
of the drive.
Contact your local ABB representative.
A5EB PU board powerfail
Power unit power supply
failure.
Contact your local ABB representative.
A5EC PU communication
internal
Communication errors
detected between the drive
control unit and the power
unit.
Check the connections between the
drive control unit and the power unit.
A5ED Measurement circuit
ADC
Measurement circuit fault.
Contact your local ABB representative.
Code
(hex) Warning / Aux. code
Cause
What to do
Содержание ACS280
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