The E4 error on Philips SpeedPro Max models typically indicates a problem with the suction or airflow. This could be due to a blockage, a dirty filter, or an issue with the motor.
Call Philips customer support (1-888-744-5477 in the US) and state: "My SpeedPro Max displays an E4 error that persists after 48 hours of drying and cleaning. I believe the moisture sensor is faulty."
If you've exhausted all of the above troubleshooting steps and the E4 error persists, it's time to contact the experts. There may be a deeper mechanical or electrical fault.
The electronic pins between the handheld unit, the tube, and the nozzle are not making a solid connection. Step-by-Step Guide to Fixing the E4 Error philips speedpro max e4 error
Before tearing the vacuum apart, it helps to understand where the problem usually hides:
Rinse it thoroughly under lukewarm running water. Squeeze it gently until the water runs completely clear. Do not use soap or detergents.
After conducting research and analyzing user reports, the following causes of the E4 error code have been identified: The E4 error on Philips SpeedPro Max models
Unlike simple "check filter" lights, E4 is a . The vacuum deliberately shuts down to prevent the lithium-ion battery from overheating or the motor windings from melting.
Gently tap the frame of the pleated filter against a trash can to dislodge fine dust. Note: Check your manual; some SpeedPro Max EPA filters are washable, while older versions are dry-clean only.
If you’ve cleaned the brush and the error continues, a few other possibilities could be at play: I believe the moisture sensor is faulty
To resolve this issue, you must clear the obstruction from the brush roll following these steps:
Press the button to release and pull out the cylindrical roller brush. Pull off the side cap from the edge of the brush roller. 3. Clear Tangles and Obstructions