Rockwell Automation 2711E-NKSW1 Replacement Keyswitch Assembly - Manual (Page 21)

40061-135-01(C)
Replacement Keyswitch Assembly 21
Troubleshooting
(All Terminals)
Problem Probable Cause(s) Corrective Action
Blank screen on power-up. Logic board is improperly
installed. Check that all connectors are properly connected
and oriented.
Touch cells or Function buttons
don’t work. Ribbon cables installed
improperly. Check that cables are properly attached.
Can’t establish PLC
communication. Node adapter board improperly
installed (PV1200 Series A - C). Verify that the node adapter is securely plugged in.
Make sure that the pins in the edge connector are
properly aligned.
Can’t switch from run to Configure
mode. Mode-select switch is
improperly installed. Verify that the new keyswitch is properly attached.
Fan nor running at powerup (color
terminals). Fan connector on logic board is
not connected. Check that connector is connected to the logic
board.