Idec MicroSmart Manual do Utilizador Página 496

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29: TROUBLESHOOTING
29-16 « FC4A MICROSMART USERS MANUAL »
Troubleshooting Diagram 9
See Troubleshooting Diagram 1
“The PWR LED does not go on.”
Is the PWR LED on?
Is the
communication cable
connected correctly?
Call IDEC for assistance.
Make sure of correct wiring.
YES
YES
Is the input to the
TXD instruction on?
Turn on the input to the TXD instruction.
NO
NO
NO
YES
Data is not transmitted at all
in the user communication mode.
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