Honeywell NX series User Manual page 111

9
110(110)
Fault Fault
code
53 Fieldbus fault
54 Slot fault
56 PT100 board
temp. fault
57 Identification
58 Brake
59 Follower
communication
60 Cooling
Speed error
61
62 Run disable
63 Emergency
stop
64 Input switch
open
Table 9-1. Fault codes
FAULT TRACING
Possible cause
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 or CAN communication 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
Correcting measures
Check installation.
If installation is correct contact the
nearest distributor.
Check board and slot.
Contact the nearest 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 or CAN 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.