Vacon nx User Manual page 92

92 • vacon
Fault Fault
code
52 Keypad
communication
fault
53 Fieldbus fault
54 Slot fault
56 PT100 board
temp. fault
57 Identification
58 Brake
59 Follower
communication
60 Cooling
61 Speed error
62 Run disable
63 Emergency
stop
64 Input switch
open
65 PT100 board 2
temp fault
74 Follower fault
Table 7-4. Fault codes
7
Possible cause
The connection between the control
keypad (or NCDrive) and the frequency
converter is broken.
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.
Actual status of the brake is different
from the control signal.
SystemBus is broken between Master and
Follower
Coolant circulation on liquid-cooled drive
has failed.
Motor speed is unequal to reference
Run enable signal is low
Command for emergency stop received
from digital input or fieldbus
Drive input switch is open
Temperature limit values set for the
PT100 board parameters have been
exceeded.
More inputs are selected than actually
connected.
PT100 cable is broken.
When using normal Master Follower
function this fault code is given if one or
more follower drives trip to fault.
Correcting measures
Check keypad connection and possible
keypad cable.
Check installation.
If installation is correct contact the
nearest Vacon distributor.
Check board and slot.
Contact the nearest Vacon distributor.
Find the cause of temperature rise
Run command was removed before
completion of identification run.
Motor is not connected to frequency
converter.
There is load on motor shaft.
Check mechanical brake state and
connections.
Check option board parameters.
Check optical fibre cable.
Check reason for the failure on external
system.
Check encoder connection.
PMS motor has exceeded the pull out
torque.
Check reason for Run enable signal.
New run command is accepted after
reset.
Check the main power switch of the
drive.
Find the cause of temperature rise.
Tel. +358 (0)201 2121 • Fax +358 (0)201 212 205
CONTROL KEYPAD