Troubleshooting I cannot connect the masher to my Philips hand blender. The masher helps you prepare perfectly smooth puree. Please find instructions on how to attach it to your Philips hand blender below. Use the correct coupling unit Your hand blender is equipped with 2 coupling units, one for the whisk and milk foamer and another one for the potato masher. If the problem persists, please contact the Customer Care Centre in your country.