ABB ACL30 - Page 293

Fault tracing 293
2015
BC MOD
OVERTEMP
Input bridge or brake
chopper temperature has
exceeded the internal
alarm limit.
Let the drive cool down.
Check for excessive ambient
temperature.
Check for cooling fan failure.
Check for obstructions in the air
flow.
Check the dimensioning and
cooling of the cabinet.
2016
IGBT OVERTEMP Drive temperature based
on the thermal model has
exceeded the internal
alarm limit.
Check ambient conditions.
Check air flow and fan operation.
Check heatsink fins for dust pick-
up.
Check motor power against unit
power.
2017
FIELDBUS COMM
Programmable
fault: 50.02 COMM
LOSS FUNC
Cyclical communication
between the drive and
fieldbus adapter module or
between PLC and fieldbus
adapter module is lost.
Check the status of fieldbus
communication. See the
appropriate fieldbus adapter
module User’s manual.
Check fieldbus parameter settings.
See parameter group 50
FIELDBUS on page 251.
Check cable connections.
Check if the communication master
can communicate.
2020
FB PAR CONF The drive does not have a
functionality requested by
PLC, or the requested
functionality has not been
activated.
Check PLC programming.
Check fieldbus parameter settings.
See parameter group 50
FIELDBUS on page 251.
2021
NO MOTOR DATA Parameters in group 99
START-UP DATA have not
been set.
Check that all the required
parameters in group 99 START-UP
DATA are set.
Note: It is normal for this alarm to
appear during the start-up until the
motor data is entered.
Code Alarm Cause What to do