Lincoln Electric FX450 specifications USING ThE STATuS LED to TROubLEShOOT System PRObLEMS

E-3	TROubLEShOOTING	E-3
	Observe all Safety Guidelines detailed throughout this manual
	uSING ThE STATuS LED TO TROubLEShOOT SYSTEM PRObLEMS
Errors are	displayed on the user interface. In addition, there are status lights on the control pc board and the
switch pc board that contain error sequences.

Included in this section is information about the Status Lights and some basic troubleshooting charts for both machine and weld performance.

The status lights on the main control board and the switch pc board are dual-color LED’s. Normal operation for each is steady green.

Error Codes for the FX450

Error	Description	Corrective Action
Code#
31	Primary Over Current	Check the input power (voltage and fre-	Machine needs to be turned
		quency). Verify the primary reconnect is	off and back on to reset.
		properly configured for the input voltage.
		If condition persists contact an authorized
		Field Service Shop.
711	Capacitor over-or-under volt-	Check input power (voltage and frequency)	Machine needs to be turned
	age.	while welding. Verify the primary reconnect	off and back on to reset.
		is properly configured for the input voltage.
712	Communication error between	Re-trigger to recover from error.	Weld	Terminals	Remote:
	P.C. boards or P.C. board		Re-trigger to recover from
	fatal.	If condition persists contact an authorized	error.
		Field Service Shop.
			Weld	Terminals	Local:
			Toggle Remote/Local Switch
			to recover from error.
713	Input Power Misconnect
	Supply Voltage is too high.	Verify the primary reconnect is properly
		configured for the input voltage.	Machine needs to be turned
			off and back on to reset.
714	Input Power Misconnect	If condition persists contact an authorized
	Supply Voltage is too low.	Field Service Shop.
715	Supply Voltage to the switch	If condition persists contact an authorized	Machine needs to be turned
	Printed Circuit Board is too	Field Service Shop.	off and back on to reset.
	low.

CAuTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

FX450 (RED-D-ARC)