Bright. use table f.1 to check led, Troubleshooting & repair, Firing board test – Lincoln Electric IDEALARC DC 1000 SVM123-A User Manual
Page 64: Table f.1 - led 7, 8 and 9 check list
F-24
TROUBLESHOOTING & REPAIR
F-24
FIRING BOARD TEST
IDEALARC DC-1000
TABLE F.1 - LED 7, 8 and 9 Check List
IF
LED 7 is ON
LED 7 is OFF or is DIM-
MER than other LEDs
LED 8 is ON
LED 8 is OFF or is DIM-
MER than other LEDs
LED 9 is ON
LED 9 is OFF or is DIM-
MER than other LEDs
THEN
AC power is being supplied to the Firing Board from
leads #203 and #204 connected to the phase angle wind-
ing in the Main Transformer.
The proper AC voltage may not be reaching Firing Board.
Check for loose or faulty connections.
AC power is being supplied to the Firing Board from
leads #205 and #206 connected to the phase angle wind-
ing in the Main Transformer.
The proper AC voltage may not be reaching Firing Board.
Check for loose or faulty connections.
AC power is being supplied to the Firing Board from
leads #207 and #208 connected to the phase angle wind-
ing in the Main Transformer.
The proper AC voltage may not be reaching Firing Board.
Check for loose or faulty connections.