YASKAWA MECHATROLINK Sigma 2 Series User Manual page 191

9 Troubleshooting
A.E2
A.E2: NS115 WDC Error
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALO1 ALO2
OFF ON
Note: OFF: Output transistor is OFF (alarm state). ON: Output transistor is
ON.
Status and Remedy for Alarm
At power ON
Cause
A NS115 is defective.
B MECHATROLINK-II communications inter-
rupted.
A.E4
A.E4: MECHATROLINK-II Transmission Cycle Setting Error
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALO1 ALO2
OFF ON
Note: OFF: Output transistor is OFF (alarm state). ON: Output transistor is
ON.
Status and Remedy for Alarm
Occurred when a CONNECT
command was sent
Cause
A The setting of MECHATROLINK-II trans-
mission cycle is out of range.
ALM Output
ALO3
ON OFF
During MECHATROLINK-II
communications
A
Replace the NS115.
Turn the power ON again.
ALM Output
ALO3
ON OFF
A
Correct the setting of MECHATROLINK-
II transmission cycle.
9-16
B
Remedy
Remedy