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

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