HCU2 error reporting

The HCU2 LCD display gives information on head and system errors.

Datum error

FaultThe motorised probe head has not locked up to the required level of accuracy.
ActionRefer to your motorised head user's guide for further information concerning this error condition.

Obstruct error

FaultThe motorised probe head has been obstructed while rotating to the required position.
ActionRefer to your motorised head user's guide for further information concerning this error condition.

Overload error

FaultThe motorised probe head head has been overloaded during a machine quill move.
ActionRefer to your motorised head user's guide for further information concerning this error.

Head not present

FaultThe motorised head is not electrically connected to the probe head controller.
ActionCheck the head is electrically connected.

Check cable integrity.

Contact your CMM supplier for further assistance.

HCU2 not recognised

FaultThere is a communications error between the HCU2 and the motorised head controller.
ActionCheck cable connections.

Contact your Renishaw representative for further assistance.

No response from controller

FaultThere is a communications error between the HCU2 and the probe head controller.
ActionCheck the cable connections.

Return both units to your Renishaw representative for service.

System error

FaultInternal motorised head system failure.
ActionNo user recovery action.

Return motorised head to your Renishaw representative for service.