Miller Electric XMS 44 owner manual Maintenance & Troubleshooting, Hlp

SECTION 5 − MAINTENANCE & TROUBLESHOOTING

5-1.	Routine Maintenance
		Y Disconnect power	. Maintain more often
		before maintaining.	during severe conditions.
		3 Months
	Replace		Clean And
	Damaged Or	Replace Damaged	Tighten
	Unreadable	Gas Hose	Weld
	Labels		Terminals
			Repair Or Replace
			Cracked Cables
			And Cords
		6 Months
	Clean		Blow Out Or
	Drive
			Vacuum Inside
	Rolls
5-2.	Help Displays

The XMC 44 microprocessor controls all internal parameters of the	Verify that the motor and cabling are functioning.
units.	HLP 104
In case of failure, D1 and D2 will show the following Error Signals.	Indicates that the motor speed is too low or the encoder on the motor
HLP 100	is giving incorrect signals.
Indicates that the 24 volt AC supplied to the unit is low.	Verify that the motor has not stopped and check the cabling of the en-
	coder.
Verify the supply to the unit and the circuit breaker status on both the
	HLP 105
wire feeder and on the power source.
	Indicates a communication error between the power source and the
HLP 101
	wire feeder.
Indicates that the current in the motor is too high.
	Verify that all the connectors in the path from the control board of the
Verify that the wire has not stopped.
	power source and the motor board of the wire feeder are correctly
HLP 102	fixed.
	HLP 106
Indicates that the voltage on the motor is too high.
	Indicate that there is a communication error in the RS 485.
Verify that the wire has not stopped.
	Verify that all the connectors in the path from the control board of the
HLP 103
	power source and the motor board of the wire feeder are correctly
Indicates that there is a short circuit in the motor or in the cabling.	fixed.

OM-223 839 Page 19