Kemppi MinarcTig Evo 200 Service Manual page 19

Service manual MinarcTig Evo 200
Diode
Diode 1 forward bias
Diode 3 reverse bias
Diode 1 reverse bias
Diode 3 forward bias
Diode 2 forward bias
Diode 4 reverse bias
Diode 2 reverse bias
Diode 4 forward bias
Diode
Series diode forward bias
Discharge diode reverse bias
Series diodes reverse bias
Discharge diode forward bias
17
Kemppi Oy
Version 1.1.5.
Positive test lead
L1
L1
Rectifier output
GND
L2
L2
Rectifier output
GND
PFC input
DC-link
positive
GND
Positive test lead
PFC input
PFC input
DC-link positive
GND
Negative test lead
Rectifier output
GND
L1
L1
Rectifier output
GND
L2
L2
Negative test lead Result
DC-link positive 0,4-0,9VDC
GND No value
PFC input No value
PFC input 0,3-0,7VDC
29.9.2015
Result
0,2-0,7VDC
No value
No value
0,2-0,7VDC
0,2-0,7VDC
No value
No value
0,2-0,7VDC