Field Current Regulator Board Pc1 Testing Using Led Board Pc9 - Red-D-Arc D502K 5+4 Technical Manual

10-7. Field Current Regulator Board PC1 Testing Using LED Board PC9

1
Test Equipment Needed:
TM-4412 Page 46
3
2
Determine the condition of field cur-
rent regulator board PC1 by ob-
serving the LED's on LED board
PC9 (in control box).
.
Do not open the PC1 sealed
case to service PC1. If PC1 is
not working properly, replace
the entire PC1 module.
Be sure plugs are secure. See Sec-
tion 10-8 for diagnostic information
and specific values during testing.
1 Field Current Regulator Board
PC1 Module
2 LED Board PC9
3 Diagnostic LED's (See Sec-
tion 10-8)
802 421-C / 192 226-A
D502K 5+4