PH10 Datum error

The DATUM ERROR LED is lit on the PHC10-2 or PHC10-3 controller. The head has rotated to the required position but locked in a non-repeatable condition (a maximum of four attempts to lock will be made before the error is reported).

Possible causeSolution
Cable/connections faultyCheck conditions and integrity of cabling from head to controller.
Head/stylus configuration obstructedRemove obstruction and update head using the HCU1 or under CMM control.
Probe extension combination too longUse shorter/lighter styli combination
Internal head faultContact your Renishaw representative, CMM manufacturer or distributor.