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

 

 

 

 

 

 

 

 

9

Undervoltage

DC-link voltage is under the voltage

In case of temporary supply voltage

 

 

limits defined in Table 1-4.

break, reset the fault and restart the

 

 

• most probable cause: too low a

drive. Check the supply voltage. If it

 

 

supply voltage

is adequate, an internal failure has

 

 

• drive internal fault

occurred.

 

 

Contact your Cutler-Hammer

 

 

 

 

 

 

distributor.

 

 

 

 

10

Input line

Input line phase is missing.

Check supply voltage and cable.

 

supervision

 

 

 

 

 

 

11

Output phase

Current measurement has detected

Check motor cable and motor.

 

supervision

that there is no current in one motor

 

 

 

phase.

 

 

 

 

 

12

Brake chopper

• no brake resistor installed

Check brake resistor.

 

supervision

• brake resistor is broken

If the resistor is ok, the chopper is

 

 

• brake chopper failure

faulty. Contact your Cutler-Hammer

 

 

distributor.

 

 

 

 

 

 

 

13

Drive

Heatsink temperature is under 14°F

 

 

undertemperature

(-10°C)

 

 

 

 

 

14

Drive

• Heatsink temperature is over

Check that values for Ith (Page 1-6)

 

overtemperature

158°F (70°C). Overtemperature

are not exceeded.

 

 

warning is issued when the

Check the correct coolant flow and

 

 

heatsink temperature exceeds

temperature. Also check the

 

 

149°F (65°C).

circulation for possible leaks.

 

 

• Circuit board temperature is over

Check the ambient temperature.

 

 

185°F (85°C). Overtemperature

Make sure that the switching

 

 

warning is issued when the board

frequency is not too high in relation

 

 

temperature exceeds 158°F (70°C).

to ambient temperature and motor

 

 

 

load.

 

 

 

Circulation of air in the drive is

 

 

 

blocked. The cooling fans are

 

 

 

defective.

 

 

 

 

15

Motor stalled

Motor stall protection has tripped.

Check motor.

 

 

 

 

16

Motor

• motor overheating has been

Decrease the motor load.

 

overtemperature

detected by drive motor

If no motor overload exists, check the

 

 

temperature model

temperature model parameters.

 

 

• motor is overloaded

 

17

Motor underload

Motor underload protection has

 

 

 

tripped.

 

 

 

 

 

22

EEPROM

Parameter save fault

 

 

checksum fault

• faulty operation

 

 

 

• component failure

 

24

Counter fault

Values displayed on counters are

 

 

 

incorrect.

 

 

 

 

 

25

Microprocessor

• faulty operation

Reset the fault and restart.

 

watchdog fault

• component failure

Should the fault re-occur, contact

 

 

 

your Cutler-Hammer distributor.

26

Start-up

Start-up of the drive has been

Cancel prevention of start-up.

 

prevented

prevented.

 

 

 

 

 

Programmable. “A” faults only

A-2

For more information visit: www.EatonElectrical.com

MN04005001E

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Image 112
J. T. Eaton user manual Table A-1 Fault Codes Continued, LCX9000 Liquid-Cooled Drives User Manual