Fault
code
Fault
Subcode in
T.14
Possible cause How to correct the fault
54 Slot fault Defective option board or
slot
Do a check of the board and slot.
Ask instructions from the distribu-
tor near to you.
56 Over Temp. Temperature exceeded set
limit. Sensor disconnected.
Short circuit.
Find the cause of temperature rise.
57 ** Identification Identification run has failed. Run command was removed before
completion of identification run.
The motor is not connected to the
AC drive. There is load on motor
shaft.
58 * Brake Actual status of the brake is
different from the control
signal.
Do a check of the mechanical brake
state and connections.
59 Follower commu-
nication
SystemBus or CAN commu-
nication is broken between
Master and Follower.
Do a check of the option board
parameters. Do a check of the opti-
cal fibre cable or CAN cable.
60 Cooling Coolant circulation on liq-
uid-cooled drive has failed.
Do a check of the reason for the
failure on the external system.
61 Speed error Motor speed is unequal to
reference.
Do a check of the encoder connec-
tion. PMS motor has exceeded the
pull out torque.
62 Run disable Run enable signal is low. Do a check of the reason for the
Run enable signal.
63 ** Emergency stop Command for emergency
stop received from digital
input or fieldbus.
New run command is accepted
after reset.
64 ** Input switch open Drive input switch is open. Do a check of the main power
switch of the drive.
65 Over Temp. Temperature exceeded set
limit. Sensor disconnected.
Short circuit.
Find the cause of temperature rise.
74 Follower fault When using normal Master
Follower function this fault
code is given if one or more
follower drives trip to fault.
* = You can set different responses in the application for these faults. See parameter group
Protections.
** = A faults (alarms) only.
VACON · 390 FAULT TRACING
9
TEL. +358 (0)201 2121 · FAX +358 (0)201 212 205
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