62 • vacon
ASFIFF12 High Speed
Tel. +358 (0)201 2121 • Fax +358 (0)201 212 205
Fault
code
Fault
Possible cause
Correcting measures
- Run request is ON when new
application is loaded to drive
- Remove Run Request.
29
Thermistor fault
The thermistor input of option board has
detected too high a motor temperature
Check motor cooling and loading
Check thermistor connection
(If thermistor input of the option board is
not in use it has to be short circuited)
31
IGBT
temperature
(hardware)
IGBT Inverter Bridge overtemperature
protection has detected too high a short
term overload current
- Check loading.
- Check motor size.
- Make identification Run
32
Fan cooling
Cooling fan of the frequency converter
does not start, when ON command is
given
Contact your local distributor.
34
CAN bus
communication
Sent message not acknowledged.
Ensure that there is another device on
the bus with the same configuration.
35
Application
Problem in application software
Contact your distributor. If you are
application programmer check the
application program.
37
Device
changed
(same type)
Option board or power unit changed.
New device of same type and rating.
Reset. Device is ready for use.
Old parameter settings will be used.
38
Device added
(same type)
Option board added.
Reset. Device is ready for use.
Old board settings will be used.
39
Device
removed
Option board removed.
Reset. Device no longer available.
40
Device
unknown
Unknown option board or drive.
Subcode in
T.14:
S1 = Unknown device
S2 = Power1 not same type as Power2
Contact the distributor near to you.
41
IGBT temperature
IGBT Inverter Bridge overtemperature
protection has detected too high a short
term overload current
- Check loading.
- Check motor size.
- Make Identification run
43
Encoder fault
Problem detected in encoder signals.
Sub code in
T.14:
1 =Encoder 1 channel A is missing
2 =Encoder 1 channel B is missing
3 =Both encoder 1 channels are missing
4 =Encoder reversed
5 =Encoder board missing
- Check encoder channel connections.
- Check the encoder board.
- Check encoder frequency in open loop
44
Device
changed
(different type)
Option board or power unit changed.
New device of different type or different
rating than the previous one.
Reset
Set the option board parameters again if
option bard changed. Set converter
parameters again if power unit changed.
45
Device added
(different type)
Option board of different type added.
Reset
Set the option board parameters again.
49
Div by zero in
application
A division by zero has occurred in the
application program.
Contact your distributor if fault accrues
while frequency converter is in run state.
If you are application programmer check
the application program.
50
Analogue input
I
in
< 4mA (sel.
signal range 4
to 20 mA)
Current at the analogue input is < 4mA.
−
signal source has failed
−
control cable is broken or loose
Check the current loop circuitry.
51
External fault
Digital input fault.
- Remove fault situation from external
device.
52
Keypad
The connection between the control
Check keypad connection and possible