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TREND NX Variable Speed Drives User Manual

Page 122

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FAULT TRACING

vacon • 105

24-hour support +358 (0)40 837 1150 • Email: [email protected]

9

Fault

code

Fault

Possible cause

Correcting measures

32

Fan cooling

Cooling fan of the frequency converter
does not start, when ON command is
given

Contact the distributor near to you.
Please visit:

http://www.vacon.com/wwcontacts.html

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.

36

Control unit

NXS Control Unit can not control NXP
Power Unit and vice versa

Change control unit

37

Device changed
(same type)

Option board or control unit changed.
Same type of board or same power rating
of drive.

Reset
Note: No fault time data record!

38

Device added
(same type)

Option board or drive added.
Drive of same power rating or same type
of board added.

Reset
Note: No fault time data record!

39

Device removed Option board removed.

Drive removed.

Reset
Note: No fault time data record!

40

Device
unknown

Unknown option board or drive.

Contact the distributor near to you.
Please visit:

http://www.vacon.com/wwcontacts.html

41

IGBT temperature

IGBT Inverter Bridge overtemperature
protection has detected too high a short
term overload current

Check loading.
Check motor size.

42

Brake resistor
overtemperature

Brake resistor overtemperature
protection has detected too heavy braking

Set the deceleration time longer.
Use external brake resistor.

43

Encoder fault

Note the exceptional Fault data record.
See 7.3.4.3. Additional codes:
1 = Encoder 1 channel A is missing
2 = Encoder 1 channel B is missing
3 = Both encoder 1 channels are missing
4 = Encoder reversed

Check encoder channel connections.
Check the encoder board.

44

Device changed
(different type)

Option board or control unit changed.
Option board of different type or different
power rating of drive.

Reset
Note: No fault time data record!
Note: Application parameter values
restored to default.

45

Device added
(different type)

Option board or drive added.
Option board of different type or drive of
different power rating added.

Reset
Note: No fault time data record!
Note: Application parameter values
restored to default.

50

Analogue input
I

in

< 4mA (sel.

signal range 4
to 20 mA)

Current at the analogue input is < 4mA.
− control cable is broken or loose

− signal source has failed

Check the current loop circuitry.

51

External fault

Digital input fault.

52

Keypad
communication
fault

The connection between the control
keypad and the frequency converter is
broken.

Check keypad connection and possible
keypad cable.

53

Fieldbus fault

The data connection between the fieldbus
Master and the fieldbus board is broken

Check installation.
If installation is correct contact the
nearest Vacon distributor.
Please visit:

http://www.vacon.com/wwcontacts.html