Fault and warning messages
Fault and warning messages in the ACS880 primary control program:
ActionCauseNameCode
(hex)
Faults
Power down the control
unit and make sure that the
module is correctly inserted
in the option slot.
A thermistor protection
module is activated by
parameter 35.30 but
cannot be detected.
FPTC not
found
4990
The last digit of the
auxiliary code identifies the
slot.
1. Make sure that the
motor has sufficient
cooling.
2. Make sure that the
drive and the motor
are compatible with
each other.
3. Make sure that the
motor is not
overloaded.
4. Make sure that the
drive parameter
settings are correct.
5. Examine the wiring of
the temperature
sensor. If necessary,
repair the wiring.
6. Measure the
resistance of the
sensor. If necessary,
replace the sensor.
The FPTC-02 module in
option slot 1 indicates
overtemperature in the
XFLT input (safety related).
1. Motor temperature is
too high, or
2. the thermistor is
short-circuited or
disconnected.
Safe motor
temperature
1
1)
4991
The FPTC module in
option slot 2 indicates
overtemperature in the
XFLT input (safety related).
See 4991.
Safe motor
temperature
2
1)
4992
The FPTC module in
option slot 3 indicates
overtemperature in the
XFLT input (safety related).
See 4991.
Safe motor
temperature
3
1)
4993
72 Fault tracing