Vacon NXI FI9 series User Manual page 81

control keypad
Fault Fault
code
44 Device changed
(different type)
45 Device added
(different type)
49 Division by zero
in application
50 Analogue input
(sel. signal
range 4 to 20
mA)
51 External fault
52 Keypad
communication
fault
53 Fieldbus fault
54 Slot fault
56 PT100 board
temp. fault
57 Identification
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
Possible cause
Option board or control unit changed.
Option board of different type or
different power rating of drive.
Option board or drive added.
Option board of different type or drive
of different power rating added.
Division by zero has occurred in
application program.
Current at the analogue input is <
4mA.
control cable is broken or loose
signal source has failed
Digital input fault.
There is no connection between the
control keypad and the inverter.
The data connection between the
fieldbus Master and the fieldbus
board is broken
Defective option board or slot
Temperature limit values set for the
PT100 board parameters have been
exceeded
Identification run has failed
vacon
Correcting measures
Reset
Set the option board parameters
again if option board was changed.
Note: No fault time data record!
Note: Application parameter values
restored to default.
Reset
Set the power unit parameters
again.
Note: No fault time data record!
Note: Application parameter values
restored to default.
Should the fault re-occur while the
AC drive is in run state, contact the
distributor near to you.
For local contacts, go to:
http://drives.danfoss.com/danfoss-
drives/local-contacts/
If you are an application
programmer, check the application
program.
Check the current loop circuitry.
Remove fautl situation on external
device.
Check keypad connection and
possible keypad cable.
Check installation.
If installation is correct contact the
nearest distributor.
For local contacts, go to:
http://drives.danfoss.com/danfoss-
drives/local-contacts/
Check board and slot.
Contact the nearest distributor.
For local contacts, go to:
http://drives.danfoss.com/danfoss-
drives/local-contacts/
Find the cause of temperature rise
Run command was removed before
completion of identification run.
The motor is not connected to the AC
drive.
There is load on motor shaft.
81
7