User Manual Owner's manual

Quick Reference
Appendix E
E-28
If the PROC indicator
And the processor You should
Green is in the Run mode operating normally
• program is executing
• outputs are enabled.
is in MEM STORE mode and EEPROM memory module is
being programmed. The indicator will be ON for a few seconds
and then then turn OFF.
No action required
Blinking Green has an I/O configuration error
• there is an illegal backplane switch combination (i.e., switch
4 is ON, switch 5 is OFF)
• the I/O is not in complementary fashion (32pt. I/O only).
Check the switch settings and
module placement.
Red has a possible hardware failure
• program is not executing
• if switch 1 of the switch group assembly if OFF, outputs are
disabled
data lines on the I/O chassis could be shorted to ground
Cycle power.
If the problem still persists, call your
AB representative.
Off is operating normally in Program or Remote Test mode
is operating in Run mode, it has a memory or program error
Change the processor to Program mode, correct
problem and cycle power.
If problem still persists, call your
AB representative.
PROC Indicator