ABB ACS860 - Page 350

350 Fault tracing
A582 Auxiliary fan not
running
Programmable warning:
31.36 Aux fan fault
function
An auxiliary cooling fan
(connected to the fan
connectors on the control unit)
is stuck or disconnected.
The auxiliary code identifies the fan (1:
Auxiliary fan 1, 2: Auxiliary fan 2).
Make sure the front cover of the drive
module is in place and tightened.
Check auxiliary fan(s) and connection(s).
Replace faulty fan.
A5A0 Drive interlock
Programmable warning:
31.22 Drive interlocked
Drive interlock function is
active, i.e. safety circuit
signal(s) connected to
connector XSTO is lost.
Check safety circuit connections. For
more information, see appropriate drive
hardware manual and description of
parameter 31.22 Drive interlocked (page
204).
A5EA Measurement circuit
temperature
Problem with internal
temperature measurement of
the drive.
Check the auxiliary code (format XXXY
YYZZ). “Y YY” specifies through which
BCU control unit channel the fault was
received (“0 00” with a ZCU control unit).
“ZZ” specifies the location:
With control program version 2.8x and
later: 1: U-phase IGBT, 2: V-phase IGBT,
3: W-phase IGBT, 4: Power supply
board, 5: Power unit xINT board,
6: Brake chopper, 7: Air inlet (TEMP3,
X10), 8: du/dt filter (TEMP2, X7),
9: TEMP1 (X6).
With control program version up to and
including 2.7x: 1: U-phase IGBT,
2: V-phase IGBT, 3: W-phase IGBT,
4: Power unit INT board, 5: Brake
chopper, 6: Air inlet, 7: Power supply
board, 8: du/dt filter, FAh: Air in temp.
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
Problem with measurement
circuit of power unit (analog to
digital converter)
Contact your local ABB representative.
A5EE Measurement circuit
DFF
Problem with current or voltage
measurement of power unit
Contact your local ABB representative.
A5EF PU state feedback State feedback from output
phases does not match control
signals.
Contact your local ABB representative.
A5F0 Charging feedback Charging in progress Informative warning. Wait until charging
finishes before starting the inverter unit.
A5F3 Switching frequency
below requested
Adequate motor control at
requested output frequency
cannot be reached because of
limited switching frequency
(eg. by parameter 95.15).
Informative warning.
A5F4 Control unit battery The battery of the control unit
is low.
Replace control unit battery.
This warning can be suppressed using
parameter 31.40.
Code
(hex)
Warning Cause What to do