Observed symptoms
Changing o2-04 to 1 allows operation without a keypad but will fix an intermittent H66 caused by noise or hardware failure. yaskawa error code h66
The Yaskawa error code (often appearing as Hbb on a 7-segment digital operator) refers to the Hardwire Baseblock Signal Input fault . Observed symptoms Changing o2-04 to 1 allows operation
The fault occurred exactly when the knife accelerated after a cut. Operator noted a slight grinding noise. yaskawa error code h66