5-4. Display Board PC4 Meter Check
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.
REAR VIEW OF DISPLAY BOARD PC4
1Display Board PC4
2Meter
CB1 protects the wire feed motor from overload. If CB1 opens, the wire feed mo-
Input Command For
Wire Speed IPM Meter
0.8V = 800 IPM
tor stops. Check for jammed wire, binding drive gear, or misaligned drive rolls. Cor- rect problem.
Allow cooling period and manually reset breaker.
Input Command For
Volts Meter –0.5V = 50V
Power Supply For Wire | Power Supply For |
Speed IPM Meter 5VDC | Volts Meter And |
| Ammeter 5VDC |
1
Receptacle RC20 | 2 |
Receptacle RC24
Ref.
