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Plus net router making hissing noise?

Posts: 179
Thanks: 1
Registered: 24-08-2007

Plus net router making hissing noise?

I can hear a noise coming from my router that sounds like hissing but when i listen closely to it it sounds like an old 56K modem but much faster electronic sound.

I have 3 devices on 5Ghz, my iphone SE, amazon fire stick and my dell laptop.


Is this a sign that my router is going down?

Aspiring Hero
Posts: 2,512
Thanks: 661
Fixes: 60
Registered: 21-09-2009

Re: Plus net router making hissing noise?


If you turn off the 5Ghz WiFi on the router, does the noise stop?

if so, this is a known issue with the Plusnet Hub One although no-one has been able to see if it is limited to either a certain batch from the factory or just random. Some users have had the router replaced, others haven't. It doesn't seem to be an indication of it failing though. 

Plusnet Help Team
Plusnet Help Team
Posts: 7,612
Thanks: 2,222
Fixes: 380
Registered: 21-04-2017

Re: Plus net router making hissing noise?

Hi @loony Sorry to hear you're having problems with your router making noise.


As per SpendLessTime's advice, if you turn off the 5Ghz network this should fix the problem for you.

1. Open an internet browser and type into the address bar
2. Press the 'Enter' or 'Return' key
3. Click on 'Advanced Settings'
4. Enter the admin password, which is on the card or the back of the router
5. Click on 'Continue to Advanced Settings'
6. Click on 'Wireless'
7. Select 'No' next to 'Wireless Network Enable'
8. Click 'Apply'


Let us know how you get on.

If this post resolved your issue please click the 'This fixed my problem' button
 Anoush Mortazavi
 Plusnet Help Team
Community Veteran
Posts: 5,237
Thanks: 1,321
Fixes: 31
Registered: 16-10-2014

Re: Plus net router making hissing noise?

Prior to doing this @loony, make sure you have a LAN cable to hand as you will need to use it to re-enable the Wireless and you'll be without access unless you have other devices connected by cable.

Aspiring Pro
Posts: 514
Thanks: 45
Fixes: 1
Registered: 27-11-2013

Re: Plus net router making hissing noise?

I had that on a couple of Hub Ones. It was most evident on 5Ghz but not so much on 2.4Ghz.

I ended up replacing it with a TP Link VR600 off Amazon & that doesn't make any noises at all on either band.