Philips Trimmer Turning On by Itself (DIY Trouble-Shooting)

So, your Phillips trimmer is turning on by itself?

Well, you’re in the right place for answers and solutions. 

In this article, we’ll go through the 3 common reasons why your Philips trimmer is turning on by itself. 

We’ll also look at simple solutions to fix the problem as well as what you can do to make sure your shaver doesn’t run into any more faults. 

So with that said, take a look at the table of contents and let’s get into it. 

Philips trimmer turning on by itself

The reason why your timer Phillip trimmer turns on by itself goes as such:

  • Faulty Power Button 
  • Water damage 
  • Internal damage 

But, before troubleshooting your trimmer, make sure you are past your warranty date. 

If you are on your warranty date, attempting to fix it could void you of a free replacement/ refund or service. 

First, always contact Philip and read the specific manual of your timer and check for trimmer specifics to make sure everything is intact before attempting to fix it. 

Also if you have a warranty always look to drop your trimmer off at your nearest service drop-off point and get their team to solve it first. 

But if you want to give it a go yourself, the guide is below. Take a look 

Let’s start off with the most common one:

Faulty Power Button 

This is quite common with Trimmers. 

In fact, in most cases, it’s the very reason why your trimmer is just buzzing away all on its own. 

Luckily you quite easily fix this problem. 

All it takes is a screwdriver and some WD-40 

Here is how you can stop your Phillip MG3750 from turning on by itself. 

The same process applies to the more common multi-groom series like the 7000

Here’s how to follow the same process and resolve the jammed power button:

In other circumstances water may have gotten into your trimmer, we go over this next. 

Reset the trimmer

Sometimes, your Phillips trimmer may need a hard reset to clear any glitches or errors that may prevent it from turning off properly. 

It’s quite simple too. 

To reset your trimmer, you need to press and hold the power button for about 10 seconds. 

You should hear a beep sound and see the LED indicator flash green.

After resetting your trimmer, try turning it on and off again.

But if that doesn’t work the problem could be a bigger internal issue, which we touch on below.

Philips Norelco won’t turn off

Water can cause Phillip’s trimer to no work… and spazz out. 

This problem often occurs when there’s water has bypassed the seals inside your trimmer and it’s tripping off the power button. 

Most Philip trimmers claim to be “waterproof” but you can never be sure and sometimes motherboards can be becomes fried and damaged causing your trimmer to spazz. 

So you can wait for the trimmer to correct itself, or…you can always get in there and attempt to sort the problem out yourself as shown below:

  • Step 1: Open up your Philips Norelco using a 2.4 mm Flathead screwdriver/ peck
  • Step 2: Once you’ve got your Philips Norelcoopen, grab a rag or a microfiber cloth and dry off the inside of your trimmer focusing on where your power button lays.  
  • Step 3: Then just place the cover back in the correct position and your trimmer should now work.

Philips Norelco won’t turn off

If your Philips trimmer still turns on by itself after trying these at-home fixes, oftentimes it means certain circuitry within your trimmer is damaged and you’ll have to get it replaced. 

If you recently bout your trimmers and they’re still under warranty, you can always contact Philips for a replacement/ refund so long as you’re under warranty. 


In this article, we went over the common reason why a Philips Trimmer Turning On by Itself. 

‘The common problems are:

  • Faulty Power Button 
  • Water damage 
  • Internal damage 

Remember, if you ring the company and quote the serial number off the shaft they’ll usually send you a gift card for replacement value. 

If you found this article helpful, check out other articles on this topic below. 


Why is my Philips trimmer turning on by itself?

The issue may be caused by a faulty power switch, trapped debris, or electrical circuit malfunctions. Proper inspection and maintenance are essential to resolve the problem.

Patrick Boulang

Patrick Boulang

Patrick is the Primary editor for Clipphub. He has sales background however has always had a passion in barbering and personal self grooming. He now he spends most of his time giving information to hair clipper users to get them comfortable with personal grooming and improve their work on clients as he believes anyone can become skills with their blades.