Lincoln Electric Cross Country 300 Service Manual page 79

LINCOLN ELECTRIC
(+) PROBE
W1
W2
W3
DC(–)
DC(–)
DC(–)
W1
W2
W3
DC(+)
DC(+)
DC(+)
Table F. 9 – Rectifier bridge diode tests
OHMMETER
(–) PROBE
Cross Country™ 300 Service Manual
DC(+)
DC(+)
DC(+)
W1
W2
W3
DC(–)
DC(–)
DC(–)
W1
W2
W3
OHMMETER READING
EXPECTED READING
FORWARD BIAS
(LOW RESISTANCE)
FORWARD BIAS
(LOW RESISTANCE)
FORWARD BIAS
(LOW RESISTANCE)
FORWARD BIAS
(LOW RESISTANCE)
FORWARD BIAS
(LOW RESISTANCE)
FORWARD BIAS
(LOW RESISTANCE)
REVERSE BIAS
(HIGH RESISTANCE)
REVERSE BIAS
(HIGH RESISTANCE)
REVERSE BIAS
(HIGH RESISTANCE)
REVERSE BIAS
(HIGH RESISTANCE)
REVERSE BIAS
(HIGH RESISTANCE)
REVERSE BIAS
(HIGH RESISTANCE)
74