It may be the case that your PLANEX long-reach sander switches off automatically due to an electronic fault.
Switch the PLANEX long-reach sander off and then on again.
If the PLANEX long-reach sander still will not start up, please check if there is a software update from Festool in the Work App. Run the update.
If the error message continues to be displayed, please contact FESTOOL customer service. Use our online repair form in the Work App for this.