Filter
Top Products
OM-884 Page 24
REAR VIEW OF DISPLAY BOARD PC4
Input Command For
Wire Speed IPM Meter
0.8V = 800 IPM
Input Command For
Volts Meter –0.5V = 50V
Power Supply For Wire
Speed IPM Meter 5VDC
Power Supply For
Volts Meter And
Ammeter 5VDC
5-4. Display Board PC4 Meter Check
Ref. ST-117 838-B / Ref. ST-119 647-C
Check points are provided on display
board PC4 for checking power supply and
input command to meters.
To make checks at display board, open
front access door.
1 Display Board PC4
2 Meter
CB1 protects the wire feed motor from
overload. If CB1 opens, the wire feed mo-
tor stops. Check for jammed wire, binding
drive gear, or misaligned drive rolls. Cor-
rect problem.
Allow cooling period and manually reset
breaker.
1
2
Receptacle RC20
Receptacle RC24