ABB ACS580MV Quick Manual page 47

AFEB Emergency
OFF button
pressed
E204 Ambient
temperature
high
E205 INU air
pressure high
E208
AC500
communicati
on
alarm
E218 INU door not
closed
E21E
Control
backup supply
failure
Emergency OFF
button on the cabinet
door has been
pressed.
The air inlet
temperature of the
inverter unit is
approaching the
maximum converter
ambient
temperature.
The air pressure drop
across the inverter
unit is approaching
the limit value.
The watchdog
supervision of the
communication link
between BCU and
AC500 has detected a
communication
failure. Alarm is
activated according
to selection in
parameter 50.32 FBA
B comm loss func.
During charging of
the drive, the inverter
unit door lock has
reported that the
door is not locked.
Control backup
supply failure has
been detected based
on monitoring of the
digital signal.
Check that it is safe to release the
emergency OFF button on the front
door and if it is, release the
emergency OFF button.
If the emergency OFF button is
released but the warning is still
active, check the wiring of the signals
from the emergency OFF button.
Check and improve the cooling of the
electric room where converter is
placed.
Check PM heatsinks for dust pick up
and clean if required.
Check pressure drop sensor on
control hub and replace control hub if
required.
Check Modbus cable.
Check FSCA-01 module.
Check setting of parameter groups
54 FBA B settings, 55 FBA B data in
and 56 FBA B data out (changes
allowed only by ABB authorized
personnel).
Note: Make sure that up to maximum
of two fieldbus extension modules
are used on the BCU.
Lock the inverter unit door.
Check internal wiring of the door lock
signals (open circuit, loose
terminals).
Check if fan is mechanically blocked
or makes excessive noise (bearing
problem).
Check the control backup supply
failure signal.
Check setting of the parameter 81.11
Control backup supply monitoring.
Fault tracing 47