KEYENCE DL-CL1 - Manual (Page 68)

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- CC-Link Compatible Network Unit DL-CL1 User’s Manual (FD-S) -
5-1
Troubleshooting
The indicator lamps on the main unit can be checked to determine the cause of error
and the corrective actions to take.
Power indicator (PWR)
This lamp indicates whether power is supplied to the DL-CL1.
Communication indicator (L RUN)
This lamp indicates whether the DL-CL1 is connected to the CC-Link system.
Communication indicator (green)
Communication error indicator (not lit)
Sensor communication indicator (green)
Power indicator (green)
LED indications
during normal operation
Condition Condition Corrective action
Lighting in
green Power is supplied to the DL-
CL1.
–
Not lit
Power is not supplied to the
DL-CL1. Check that the DL-CL1 is connected cor-
rectly with the power amplifiers.
Condition Condition Corrective action
Lighting in
green
Communicating correctly. –
Not lit
Disconnected from the CC-
Link system.
• Check that the CC-Link cable is con-
nected correctly. (Normal condition is
automatically corrected after the
cause is removed.)
"Connecting to the CC-Link Sys-
tem"
• Check that the data link is correctly
configured, and then turn off the
power to the DL-CL1 and back on.
"Configuring the Data Link" (page
2-10)