29: T
ROUBLESHOOTING
Troubleshooting Diagram 9
Data is not transmitted at all
in the user communication mode.
communication cable
connected correctly?
Is the input to the
TXD instruction on?
Is the PWR LED on?
Call IDEC for assistance.
29-16
Is the
NO
YES
NO
YES
NO
YES
« FC4A M
ICRO
Make sure of correct wiring.
Turn on the input to the TXD instruction.
See Troubleshooting Diagram 1
"The PWR LED does not go on."
S
U
'
M
»
MART
SER
S
ANUAL