Table A-1: Fault Codes (Continued)

LCX9000 Liquid-Cooled Drives User Manual

January 2007

Table A-1: Fault Codes (Continued)

Fault

 

 

 

Code

Fault

Possible Cause

Solution

 

 

 

 

 

 

 

 

29

Thermistor fault

The thermistor input of option board

Check motor cooling and loading

 

 

has detected increase of the motor

Check thermistor connection

 

 

temperature.

(If thermistor input of the option

 

 

 

board is not in use, it has to be short

 

 

 

circuited)

 

 

 

 

31

IGBT temperature

IGBT Inverter Bridge

Check loading.

 

(hardware)

overtemperature protection has

Check motor size.

 

 

detected too high a short term

 

 

 

overload current.

 

 

 

 

 

34

CAN bus

Sent message not acknowledged.

Ensure that there is another device

 

communication

 

on the bus with the same

 

 

 

configuration.

 

 

 

 

36

Control unit

Control Unit can not control Power

Change control unit.

 

 

Unit and vice versa.

 

 

 

 

 

37

Device change

• option board or control unit

Reset

 

(same type)

changed.

Note: No fault time data record!

 

 

• same type of board or same

 

 

 

power rating of drive

 

 

 

 

 

38

Device added

• option board or drive added.

Reset

 

(same type)

• drive of same power rating or

Note: No fault time data record!

 

 

same type of board added

 

 

 

 

 

39

Device removed

• option board removed

Reset

 

 

• drive removed

Note: No fault time data record!

40

Device unknown

Unknown option board or drive.

Contact your Cutler-Hammer

 

 

 

distributor.

 

 

 

 

41

IGBT temperature

IGBT Inverter Bridge

Check loading.

 

 

overtemperature protection has

Check motor size.

 

 

detected too high a short term

 

 

 

overload current.

 

 

 

 

 

42

Brake resistor

Brake resistor overtemperature

Set the deceleration time longer.

 

overtemperature

protection has detected too heavy

Use external brake resistor.

 

 

braking.

 

 

 

 

 

43

Encoder fault

Note: the exceptional fault data

Check encoder channel connections.

 

 

record, see Page 5-12. Additional

Check the encoder board.

 

 

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

 

 

 

 

 

44

Device changed

• option board or control unit

Reset.

 

(different type)

changed

Note: No Fault Time Data Record is

 

 

• option board of different type or

made.

 

 

different power rating of drive

Note: Application parameter values

 

 

 

restored to default.

 

 

 

 

Programmable.

 

 

“A” faults only.

 

 

MN04005001E

For more information visit: www.EatonElectrical.com

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J. T. Eaton user manual Table A-1 Fault Codes Continued, LCX9000 Liquid-Cooled Drives User Manual