Mitsubishi AJ65BT-R2N-U-HW - Page 20

12
(1) Indicator LEDs
Figure 4.2 Indicator LEDs
Table 4.2 Indicator LEDs
LED State Description
1)
PW
ON Power is ON
OFF Power is OFF
RUN
ON Operating normally
OFF
• 24V DC power failure or watchdog timer error occurred
• In MELSOFT connection mode, any of the RS-232
transmission setting switches, SW1 to SW8 is ON
• Incorrect switch setting
L RUN
ON Communicating normally
OFF
• Communication failure or timeout error occurred
• Incorrect switch setting
SD
ON Data being sent by data link
Flashing Data being sent by data link
OFF Data not sent by data link
RD
ON Data being received by data link
Flashing Data being received by data link
OFF Data not received by data link
L ERR.
ON Invalid transmission speed or station No. setting
Flashing
regularly
Transmission speed or station No. setting changed after
power-ON
Flashing
irregularly
• Terminating resistor not connected
• AJ65BT-R2N or CC-Link dedicated cable affected by
noise
OFF Communicating normally
1)
2)
3)