Lincoln Electric LN-10 manual Troubleshooting

E-5	TROUBLESHOOTING	E-5
	Observe all Safety Guidelines detailed throughout this manual

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Pressing the procedure key does	1.	The connector from the control
not select between A - Remote - B.		p.c. board to the display p.c.
		board or the connector from the
		display p.c. board to the keypad
		are loose or improperly inserted.
	2.	Damaged keypad
	3.	Damaged display p.c. board.
	4.	Damaged control p.c. board.
Pressing the timer or control key has	1.	Make sure that the DIP switches
no effect while not welding.		on the control p.c. board are not
		set for security mode.
	2.	The connector from the control
		p.c. board to the display p.c.
		board or the connector from the
		display p.c. board to the keypad
		are loose or improperly inserted.
	3.	Damaged keypad	If all recommended possible areas
			of misadjustment have been
	4.	Damaged display p.c. board.	checked and the problem persists,
			Contact your local Lincoln
	5.	Damaged control p.c. board.	Authorized Field Service Facility.
Pressing the trigger key has no	1.	The connector from the control
effect while not welding.		p.c. board to the display p.c.
		board or the connector from the
		display p.c. board to the keypad
		are loose or improperly inserted.
	2.	Damaged keypad
	3.	Damaged display p.c. board.
	4.	Damaged control p.c. board.

CAUTION

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

LN-10