ESAB fabricator 141i, Руководство по обслуживанию

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ESAB FABRICATOR 141i
TROUBLESHOOTING 6-20 Manual 0-5448
A
B
U02 pin 6
C
D
E U01 pin 1
F U01 pin 2
G U01 pin 3
0V for wiredrive circuit (R017)
W0 2 MIN SPEED
W05 MAX SPEED
Art # A-12178
Select MIG mode on the front panel.
Remove the load from the output terminals.
Set front panel WIRESPEED (AMPS) potentiometer to minimum. AMPS display should read “30”
Adjust W02 trimpot until motor volts is 4.5V +/- 0.2V
Set front panel WIRESPEED (AMPS) potentiometer to maximum. AMPS display should read “100”
Adjust W05 trimpot until motor volts is 15V +/- 0.2V
Recheck settings
Set SW0-1 to OFF, SW0-2 to OFF, SW0-3 to OFF, SW0-4 to OFF to disable calibration of output volts & amps, and calibration of wire
feed speed and return to normal operation.
5 Wire Speed Testpoint Waveforms
Select MIG mode on the front panel and remove the load from output terminals.
Adjust the wirespeed control knob to the max and the digital amperage meter will display a preview value 390.
Now you can measure below waveforms according to different test points.