Primary Rectifier V5 - Kemppi FASTMIG X 450 Service Manual

1.1 Primary rectifier V5

Primary side primary rectifier diodes can be measured one at the time
•
Diodes must be measured both forward bias and reverse bias condition to make sure they are fine
•
Check the diodes using the multimeter diode function to measure their threshold voltage 0,3...0,6 V
•
Measurings:
Positive test lead
X1, X2, X3 (one at time)
X16
X20
X1, X2, X3 (one at time)
Kemppi OY
SERVICE MANUAL
FASTMIG X
X16
X1
X2
X3
Negative test lead
X16
X1, X2, X3 (one at time)
X1, X2, X3 (one at time)
X20
X20
Result
0,3-0,7VDC
no value
0,3-0,7VDC
no value
27 (37)