: Remove the side cap and pull out any tangled hair, fluff, or dirt.
You sucked up a metal screw. The screw lodged between the impeller fan and the motor housing, locking the rotor. You heard a hum, then E4. philips speedpro max e4 error
Follow these steps in order. In most cases, step 1 resolves the issue. : Remove the side cap and pull out
Since E4 is a moisture error, the cure is time and air . philips speedpro max e4 error
Service. In six to eight business days.