The SpeedPro Max E4 typically shows an error when there's a blockage, a filter/brush issue, or a battery/communication fault. Common causes:
An on your Philips SpeedPro Max (or 8000 Series) cordless vacuum means that the roller brush is blocked and cannot turn freely . philips speedpro max e4 error
If the motor that spins the brush has failed, you may need to contact Philips customer support for repair. The SpeedPro Max E4 typically shows an error