Fault
code
Fault ID
Fault name
Possible cause
How to correct the fault
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
68
1301
Maintenance counter
1 alarm
The value of the mainte-
nance counter is higher than
the alarm limit.
Do the necessary maintenance.
Reset the counter. See parameter
B3.16.4 or P3.5.1.40.
1302
Maintenance counter
1 fault
The value of the mainte-
nance counter is higher than
the fault limit.
1303
Maintenance counter
2 alarm
The value of the mainte-
nance counter is higher than
the alarm limit.
1304
Maintenance counter
2 fault
The value of the mainte-
nance counter is higher than
the fault limit.
69
1310
Fieldbus communica-
tion fault
The ID number that is used
to map the values to Field-
bus Process Data Out is not
valid.
Do a check of the parameters in
the Fieldbus Data Mapping menu.
1311
It is not possible to convert 1
or more values for Fieldbus
Process Data Out.
The type of the value is undefined.
Do a check of the parameters in
the Fieldbus Data Mapping menu.
1312
There is an overflow when
the values for Fieldbus
Process Data Out (16-bit)
are mapped and converted.
Do a check of the parameters in
the Fieldbus Data Mapping menu.
76
1076
Start prevented
The start command is
blocked to prevent the acci-
dental rotation of the motor
during the first power-up.
Reset the drive to start the correct
operation. The parameter settings
tell if it is necessary to restart the
drive.
77
1077
>5 connections
There are more than 5
active fieldbus or PC tool
connections. You can use
only 5 connections at the
same time.
Leave 5 active connections.
Remove the other connections.
VACON · 348
FAULT TRACING
11
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