ABB ACS880 - Page 560

What to doCause
Event name /
Aux. code
Code
(hex)
91.21/91.24 if sensor is connected to
an encoder interface). Check the
sensor and its wiring.
Check parameters
35.11…35.14/35.21…35.24 (and
Short circuit.0003
91.21/91.24 if sensor is connected to
an encoder interface). Check the
sensor and its wiring.
Check parameters
35.11…35.14/35.21…35.24 (and
Open circuit.0004
91.21/91.24 if sensor is connected to
an encoder interface). Check the
sensor and its wiring.
Check the value of parameter 35.2
Measured temperature 1.
Measured temperature 1 has exceeded
warning limit.
External
temperature 1
A491
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 35.3
Measured temperature 2.
Measured temperature 2 has exceeded
warning limit.
External
temperature 2
A492
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.The thermistor protection module
installed in slot 1 indicates
overtemperature.
Motor
temperature 1
A497
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 cooling of the motor.The thermistor protection module
installed in slot 2 indicates
overtemperature.
Motor
temperature 2
A498
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 cooling of the motor.The thermistor protection module
installed in slot 3 indicates
overtemperature.
Motor
temperature 3
A499
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.
Control unit temperature is excessive.Control board
temperature
A4A0
Check ambient conditions.Temperature above warning limit.–
Check air flow and fan operation.
Check heatsink fins for dust pick-up.
Contact an ABB service representative
for control unit replacement.
Thermistor broken.1
560 Fault tracing