IDEC SX5L Series - Manual (Page 55)

5: T ROUBLESHOOTING
5-2 SX5L C OMMUNICATION T ERMINAL U SER ’ S M ANUAL
Troubleshooting Diagram 2
The RUN LED does not go on.
YES
YES
NO
Is the network online?
YES Application program is lost.
Call IDEC for assistance.
YES
NO
Is the SER LED
flashing at 0.5 Hz?
NO
Is the SER LED
flashing at other than
0.5 Hz?
Call IDEC for assistance.
NO
Does the SER LED
remain on?
Use LonMaker or another management tool to
send online command.
Network information is not configured yet.
Per form commissioning.
Replace the SX5L or call IDEC for assistance.