Справочник Пользователя для Mitsubishi Electronics FX-485ADP

In case of trouble, check the following points, and remedy according to the troubleshooting guide in the 485PC-
IF manual.

(1) Power LED

Lit
Otherwise

(2) As for SD LED, RD LED, check and remedy according to the troubleshooting guide in the 485PC-IF manual.

: The extension cable is normally connected to the PC.
: The extension cable is not connected correctly, or external 24 V DC power supply is not func-

tioning correctly.  Check and connect correctly.