ABB ACS880 Firmware Manual page 496

496 Fault tracing
Code
Warning
(hex)
A491 External temperature
1
(Editable message text)
A492 External temperature
2
(Editable message text)
A497 Motor temperature 1
(Editable message text)
A498 Motor temperature 2
(Editable message text)
A499 Motor temperature 3
(Editable message text)
A4A0 Control board
temperature
(none) Temperature above warning
A4A9 Cooling
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Cause
0002 Temperature under limit
0003 Short circuit
0004 Open circuit
Measured temperature 1 has
exceeded warning limit.
Measured temperature 2 has
exceeded warning limit.
The thermistor protection
module installed in slot 1
indicates overtemperature.
The thermistor protection
module installed in slot 2
indicates overtemperature.
The thermistor protection
module installed in slot 3
indicates overtemperature.
Control unit temperature is
excessive.
limit
1 Thermistor broken
Drive module temperature is
excessive.
What to do
Check parameters
35.11...35.14/35.21...35.24
91.21/91.24 if sensor is connected to an
encoder interface).
Check the sensor and its wiring.
Check the value of parameter
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
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 the cooling of the motor.
Check the motor load and drive ratings.
Check the wiring of the temperature
sensor. Repair wiring if faulty.
Measure the resistance of the sensor.
Replace sensor if faulty.
Check the auxiliary code. See actions for
each code below.
Check ambient conditions.
Check air flow and fan operation.
Check heatsink fins for dust pick-up.
Contact an ABB service representative
for control unit replacement.
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.
(and
35.02
35.03