Lincoln Electric 11694 Service Manual page 39

®
POWER WAVE S350
J3
J12
CHOPPER CONTROL
BOARD COMMUNICATION
J15
SWITCH 2
CONTROL BOARD TEST
Figure F.11 – Control board test point locations
J5
SECONDARY
SW 3 SW 1
THERMOSTAT
CONNECTION COMMUNICATIONS
J5 J6
O O
O
N N
N
BT1
O
O
N
N
J13 J2
J11
J11 J13 J2
CAN DEVICE NET
COMMUNICATION
(continued)
J6 J7
PRIMARY FAN
ERROR CONTROL
STATUS LED
J4
J4
+40 VOLT DC
CONNECTION
TROUBLESHOOTING AND REPAIR
J8 J9
CURRENT VOLTAGE
FEEDBACK FEEDBACK
33