Fault
code
Fault ID Fault name Possible cause How to correct the fault
57 1057 Identification There was a failure in the
identification run.
Make sure that the motor is con-
nected to the drive.
Make sure that there is no load on
the motor shaft.
Make sure that the start command
is not removed before the identifi-
cation run is complete.
1157 During the identification run
drive was not able to reach
required frequency refer-
ence.
Make sure that minimum and max-
imum frequency references are set
correctly. Too low maximum fre-
quency might prevent drive from
reaching required frequency.
1257 During the identification run
drive was not able to reach
required frequency refer-
ence.
Make sure that acceleration time is
set correctly. Too long acceleration
time might prevent drive from
reaching required frequency in 40
seconds.
1357 During the identification run
drive was not able to reach
required frequency refer-
ence.
Make sure that current, torque and
power limits of the drive are set
correctly. Too low limit settings
might prevent drive from reaching
required frequency.
63 1063 Quick Stop fault The Quick stop function is
activated
Find the cause for the quick stop
activation. After you find it, correct
it. Reset the fault and restart the
drive.
See parameter P3.5.1.26 and the
quick stop parameters.
1363 Quick Stop alarm
65 1065 PC communication
fault
The data connection
between the PC and the
drive is defective
Do a check of the installation,
cable and terminals between the
PC and the drive.
66 1366 Thermistor input 1
fault
The motor temperature
increased.
Do a check of the motor cooling
and the load.
Do a check of the thermistor con-
nection.
If the thermistor input is not used,
you have to short-circuit it.
Ask instructions from your nearest
distributor.
1466 Thermistor input 2
fault
1566 Thermistor input 3
fault
VACON · 376 FAULT TRACING
11
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