Look inside the empty nozzle head and clear out any hidden debris clumps.

Look into the joint where the nozzle connects to the tube. Debris like small toys, coins, or large clumps of pet hair frequently get stuck here.

Inspect the gear cap and the end bearing where the brush connects to ensure no hair is wrapped around the drive spindle. 4. Clean the Electrical Connections

: Take off the side cap of the brush to check for hidden debris or hair wrapped around the internal axle. Reassemble Push the side cap back on until you hear a click. Snap the roller brush back into the nozzle.

: Sometimes the brush encounters too much resistance on very thick rugs, causing it to stall and trigger the error.

Follow these sequential steps to safely clear the E4 error and restore functionality to your vacuum. 1. Power Off and Disconnect

The solution is to clear the obstruction. Philips has designed the SpeedPro Max for easy maintenance. Follow these steps:

: If the motor still won't engage, clean the battery contacts with a dry cloth to ensure they are free of dust.

You are vacuuming your living room when suddenly, the vacuum stops working. The LED ring flashes four times, or a small icon displays an "E4" code. The device becomes unresponsive, won't suck, and sometimes won't even turn on.

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