[AL. 556_Output device diagnosis error 2 (safety sub-function)]
• There is an error in the output device.
[AL. 556.1_DO1A test pulse diagnosis error (safety sub-function)]
Cause
1.
[Pr. PSD30 Output device - Test pulse off time]
is set incorrectly.
2.
Take actions in accordance with the items shown below.
Page 171 [AL. 555.1_DO1A output mismatch error (safety sub-function)]
[AL. 556.9_DO1B test pulse diagnosis error (safety sub-function)]
Page 172 [AL. 556.1_DO1A test pulse diagnosis error (safety sub-function)]
1 SERVO AMPLIFIER TROUBLESHOOTING
172
1.3 Handling methods for alarms/warnings
Check/action method
Review the setting of [Pr. PSD30 Output device - Test pulse off time].
Model
[G]
[WG]