you have a sensor that confirms the tool is clamped
open the cover from spindle and check that sensor must be on when the tool is clamped.
There's no alarm in display and spindle drive unit. But when I press ATC the button only blinks but tool chuck doesn't move.
And when I press spindle orientation button it shows alarm '2002 tool clamp unconfirmed'.Plzzzzz help me.
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you have a sensor that confirms the tool is clamped
open the cover from spindle and check that sensor must be on when the tool is clamped.
FIRST CHECK OUTPUT FOR TOOL CLAMP, IF IT IS ON, THEN CHECK THE TOOL CLAMP SOLENOID FOR PROPER OPERATION, COULD BE BREAKER OR FUSE IF IT HAS ONE OR HYDRAULIC PROBLEM. TRY TO MANUALLY ACTIVATE THE VALVE TO SEE IF IT IS STUCK. IF THE 'Y' OUTPUT IS OFF, GO TO LADDER AND SEE WHY. COULD BE BOTH CLAMP AND UNCLAMP SWITCHES ARE ON, SO YOU WOULD HAVE A FAULTY UNCLAMP SWITCH STAYING ON ALL THE TIME.