An on your Philips SpeedPro Max (or 8000 Series) cordless vacuum means that the roller brush is blocked and cannot turn freely .
To resolve the error and get your vacuum running again, follow these steps provided by the official Philips support guide : philips speedpro max e4 error
Slide the brush back into the nozzle and snap the locking lever into place. An on your Philips SpeedPro Max (or 8000
: Restart the vacuum. If the code is gone, you are ready to continue cleaning. Common Triggers for E4 If the code is gone, you are ready to continue cleaning
Because the display is digital, this code can sometimes look like if you are viewing the vacuum upside down while cleaning the nozzle. Whether you see E4 or h3, the solution involves clearing physical obstructions from the brush head. Step-by-Step Fix for the E4 Error
: Press the "easy button" on the side of the 360° suction nozzle or mini Turbo brush to release the roller. Clear Debris : Pull out any large clumps of dust, fluff, or dirt by hand.
: Vacuuming over loose fabric (like curtains or rug edges) can jam the mechanism.