YASKAWA MECHATROLINK Sigma 2 Series - Page 191

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