2. Damaged display p.c. board.
3. Damaged control p.c. board.
Displays & LEDʼs on keypad are off. 1. Damaged control p.c. board. The green or red LED on the control
p.c. board is blinking at a very fast or erratic rate.
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
Displays & LEDʼs on keypad are off. The green and red LEDʼs on the con- trol p.c. board are both blinking at about one second intervals.
3. Damaged input power wiring in the LN-10 control box.
4. Damaged control p.c. board.
1. The connectors from the control p.c. board to the display p.c. board are loose or improperly inserted.
1. The display is in a mode that can only use one encoder.
One of the knobs changes the dis- play, but the other doesnʼt.
E-6 | TROUBLESHOOTING | E-6 |
Observe all Safety Guidelines detailed throughout this manual | |
| | | |
PROBLEMS | POSSIBLE | RECOMMENDED | |
(SYMPTOMS) | CAUSE | COURSE OF ACTION | |
2.The connector from the control p.c. board to the encoder p.c. boards may be loose or improper- ly inserted.
3.Damaged encoder p.c. board.
4.Damaged control p.c. board.
Neither knob changes the display. | 1. | The connector from the control | |
| | p.c. board to the encoder p.c. | |
| | boards may be loose or improper- | |
| | ly inserted. | |
| 2. | Damaged control p.c. board. | |
| 3. | Damaged encoder p.c. boards. | |
| | | If all recommended possible areas |
| | |
Displays & LEDʼs on keypad are off. | 1. | Power source is off. | of misadjustment have been |
The green and red LEDʼs on the | | | checked and the problem persists, |
control p.c. board are off. | 2. | Power source supply is not sup- | Contact your local Lincoln |
| | plying 42 VAC to the wire feeder | Authorized Field Service Facility. |
| | control box. | |
