ABB ACS580MV Quick Manual page 37

AFEB Emergency OFF
button pressed
E204 Ambient
temperature
high
E205 INU air pressure
high
E208
AC500
communication
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 37