29: TROUBLESHOOTING
« FC4A MICROSMART USER’S MANUAL » 29-13
Troubleshooting Diagram 6
Correct the Communication Set-
tings using WindLDR. See page
26-3.
Disable the user program protection.
For details, see page 5-25.
Is “Protect User Program”
enabled?
NO
YES
YES
NO
YES
Call IDEC for assistance.
NO
Communication between WindLDR on a computer
and the MicroSmart is not possible.
Is the PWR LED on?
Is the computer link cable
connected correctly?
Connect the cable completely.
Call IDEC for assistance.
When only program download is not possible:
Only program download is not possible.
YES
NO
Is the
Communication Settings
correct?
See Troubleshooting Diagram 1,
“The PWR LED does not go on.”
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