Error Message:

ALE: Unload vacuum sensed plate before vacuum turned on, check Unload Vacuum Threshold

Applies to:

• Platesetter_3244

Service Information:

Check the value of uvt.

Operator Action:

Check that there is no plate on the picker.

Cause:

• During a process, the plate is fed into the bridge (with the bridge belts (cbelt) running)and then the belts are stopped. Then the unload vacuum is released and the unload cups retracted and after 1 second the brige belts started again. The vacuum is is checked before the belts are restarted just to make sure that it is at least below the grip threshold (uvt), if not then this error is reported, unsolicited, log only.

See Also:

• NVS: sat uvt
• Command: uvac