Process Control Module Pc4 Diagnostic Led's; Diagnostic Led's On Process Control Module Pc4 - Miller Electric Auto-Axcess 450 Owner's Manual

7-4. Process Control Module PC4 Diagnostic LED's

1

7-5. Diagnostic LED's On Process Control Module PC4

LED Status
1 On
Off
2 On
Off
3,4 On
Off
Indicates −25 volts dc is present on process control module PC4
Indicates −25 volts dc is not present on process control module PC4
Indicates +25 volts dc is present on process control module PC4
Indicates +25 volts dc is not present on process control module PC4
See Network Status Table in Section 7-12
See Network Status Table in Section 7-12
1 Process Control Module PC4
Diagnostic LED's are visible inside unit,
located on PC4 mounted on the top tray.
Refer to Section 7-5 for information on
diagnostic LED's.
Reinstall cover after checking diagnostic
LED's.
LED1
LED2
LED3
LED4
Diagnosis
216 956-A / Ref. 803 250-C
OM-210 540 Page 39