Vacon NX User Manual

Fault tracing vacon • 151
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
9
45
Device added
(different type)
Option board of different type added.
Subcodes:
S1 = Control board
S2 = Control unit
S3 = Power board
S4 = Power unit
S5 = Adapter board and slot
Reset
Set the option board
parameters again.
49
Div by zero in
application
A division by zero has occurred in the
application program.
Contact your distributor. If
you are application
programmer check the
application program.
50
Analogue input Iin
< 4mA (sel. signal
range 4 to 20 mA)
Current at the analogue input is < 4mA.
- control cable is broken or loose
- signal source has failed
Check the current loop
circuitry.
51 External fault Digital input fault.
52
Keypad
communication
fault
Keypad communication fault
The connection between the control key-
pad and the AC drive is broken.
Check keypad connection and
possible keypad cable.
53 Fieldbus fault
The data connection between the field-
bus Master and the fieldbus board is bro-
ken.
Check installation.
If installation is correct
contact the nearest
distributor.
54 Slot fault Defective option board or slot.
Check board and slot.
Contact the nearest distribu-
tor.
55
Actual value
supervision
56
PT100 board
temp. fault
Temperature limit values set for the
PT100 board parameters have been
exceeded.
Find the cause of
temperature rise.
57 Identification Identification run has failed.
Run command was removed
before completion of
identification run.
Motor is not connected to AC
drive.
There is load on motor shaft.
58 Brake
Actual status of the brake is different
from the control signal.
Check mechanical brake
state and connections.
59
Follower
communication
SystemBus or CAN communication is
broken between Master and Follower.
Check option board
parameters.
Check optical fibre cable or
CAN cable.
60 Cooling
Coolant circulation on liquid-cooled drive
has failed.
Check reason for the failure
on external system.
Table 60. Fault codes
Fault
code
Fault Possible cause Correcting measures

Vacon NX Specifications

General

Product Type	AC Drive
Control Method	Scalar Control
Enclosure	IP00, IP21
Communication	Ethernet
Safety	STO (Safe Torque Off)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit
Ambient Temperature Range	-10°C to +50°C (with derating above +40°C)
Cooling Method	Air-cooled, Liquid-cooled