ABB ACS880+N5350 User Manual page 176

Table 13-1 Warning Messages (Alphabetical by Keypad Text)
Warning
Incorrect
temperature
sensor setup
External
temperature
1
(Editable message text)
External
temperature
2
(Editable message text)
IGBT
overtemperature
Cooling
Excess temperature
Excess temperature
difference
IGBT temperature
PU communication
Safe torque off
Programmable warning:
31.22 STO indication
run/stop
Measurement circuit
temperature
PU board powerfail
PU communication
internal
Measurement circuit
ADC
3AXD50000011888
Fault # Cause
A490 Sensor type mismatch
Faulty wiring between an
encoder interface module
and the temperature
sensor.
A491 Measured temperature
1 has exceeded warning
limit.
A492 Measured temperature
2 has exceeded warning
limit.
A4A1 Estimated drive IGBT
temperature is excessive.
A4A9 Drive module temperature
is excessive.
A4B0 Power unit module
temperature is excessive.
A4B1 High temperature
difference
between the IGBTs of
different phases.
A4F6 Drive IGBT temperature is
excessive.
A580 Communication errors
detected between the
drive control unit and the
power unit.
A5A0 Safe torque off function is
active, i.e. safety circuit
signal(s) connected to
connector XSTO is lost.
A5EA Problem with internal
temperature measurement
of the drive.
A5EB Power unit power supply
failure.
A5EC Communication errors
detected between the
drive control unit and the
power unit.
A5ED Measurement circuit fault.
What to do
Check the settings of temperature source parameters
35.11 and 35.21 against 91.21 and 91.24.
Check the wiring of the sensor.
The auxiliary code (see the event log) identifies the
interface module. (0 = Module 1, 1 = Module 2).
Check the value of parameter 35.02 Measured
temperature 1.
Check the cooling of the motor (or other equipment
whose temperature is being measured).
Check the value of 35.13 Temperature 1 warning limit.
Check the value of parameter 35.03 Measured
temperature 2.
Check the cooling of the motor (or other equipment
whose temperature is being measured).
Check the value of 35.23 Temperature 2 warning limit.
Check ambient conditions.
Check air flow and fan operation.
Check heatsink fins for dust pick-up.
Check motor power against drive power.
Check ambient temperature. If it exceeds 40°C (104°F),
ensure that load current does not exceed derated load
capacity of drive. See appropriate Hardware Manual.
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.
Check ambient conditions.
Check air flow and fan operation.
Check heatsink fins for dust pick-up.
Check motor power against drive power.
Check the motor cabling.
Check cooling of drive module(s).
Check ambient conditions.
Check air flow and fan operation.
Check heatsink fins for dust pick-up.
Check motor power against drive power.
Check the connections between the drive control unit and
the power unit.
Check safety circuit connections. For more information,
see appropriate drive hardware manual and description of
parameter 31.22 STO indication run/stop.
Contact your local ABB representative.
Contact your local ABB representative.
Check the connections between the drive control unit and
the power unit.
Contact your local ABB representative.
Troubleshooting 13-3