Yaskawa MP3200 Troubleshooting Manual - Manual (Page 38)

2.2 CPU Unit/CPU Module Indicators and Display
MECHATROLINK-III Status Indicators
2-16
MECHATROLINK-III Status Indicators
These indicators show the status of the MECHATROLINK-III communications.
If the LK1 or LK2 status indicator is not lit, there may be an error in the communications with MECHA-
TROLINK-III.
Indicator
Name
Color
Indicator
Status
Description
CN Green
Lit.
MECHATROLINK-III communications is established with
the CPU Unit as a slave (i.e., the Connect command is ON).
Not lit. The connection has not been established.
LK1 Green
Lit. MECHATROLINK-III communications are active on port 1.
Not lit.
No MECHATROLINK-III communications are connected
on port 1.
LK2 Green
Lit. MECHATROLINK-III communications are active on port 2.
Not lit.
No MECHATROLINK-III communications are connected
on port 2.
LK1 and LK2
Status
Indicators
Cause Correction
Not lit.
The MECHATROLINK-III cable
is not connected properly. Remove the MECHATROLINK-III cable and insert it into
the MECHATROLINK-III connector again.
The MECHATROLINK-III cable
has a broken wire.
Replace the MECHATROLINK-III cable.