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Freeview intermittent interference

When you get occasional sound loss or picture freezes

When you get occasional sound loss or picture freezes
Published on by on UK Free TV

There are several different types of interference that cause problems. This page deals with the situation where:



There are two main causes of this type of intermittent interference:

Induction interference

Induction interference is caused by mains-powered household devices that contain a large motor, such as:
  • Washing machine;
  • Tumble dryer;
  • Central heating pump or combination boiler;
  • Fridge;
  • Freezer;
  • Power tools (drills, jigsaws etc)
  • Vacuum cleaners;
  • Water pumps;
  • Automatic doors


You can identify if one or more of these devices is causing the Freeview reception problem by powering off the devices.

If one of these devices is causing the problem, then the reception problem can usually be solved by using a mains filter device and use it on the Freeview boxes mains connection.



Such as device is this: <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAAAwElEQVQoz2Nk2POEgRTAxEAioL0GFgglyMLkIsT+/s+/e9//hopxvv/zb9bTr4IsTGnS3BA2ugYXIfZVukL3vv8RZGUSZGGCiLgIsUPYadLcJqdeYXGSEifL6pffV7/6zsDAECrGuefdT4jZxrysLkLsKDZAwNnPv9NvfFDiZAkV42RgYKi48+ne9z8uQuxKnCwQq7B7+v3vf8iM93/+D/J4YISnJUEWpvd//sHZDAwMyFw4GxFKcCE0NhqX9n4AAOztTiEEoxxWAAAAAElFTkSuQmCC" class="xico" style="vertical-align:text-bottom" alt="www.maplin.co.uk link icon"> link iconMaplin: 6-Way Flat Screen and HDTV Surge Protector and Mains Filter.

Mobile phone interference

If you keep a mobile phone by your Freeview box or digital television, keep it further away!

This also applies to other transmitters such as baby monitors, video senders, walkie talkies, and portable phones.





Your comments: most recent posts are at the bottom

firstFirst comments prevEarlier comments  ◊ 

Your comments are always welcome. Please use the form below to add your thoughts or questions to this page. We will get back to you as soon as we can.

D
DonaB
Thursday 15 May 2014 8:38AM Swindon

Hi
On Tuesday this week (13th May) my Freeview signal dropped out completely for half an hour around 10:15. I wasn't too worried but then yesterday it was completely gone from first thing in the morning till I left home at 11:30 and then back again fully normal with no glitches at all last night. So far today it is also completely gone again so this appears to be a pattern developing. Is anyone else having this issue?
Can you tell me what would cause this sort of thing and who I should approach to solve it. I have two different digital TVs (Samsung and LG) so it won't be a fault with my equipment. My postcode is SN1 2LL Thanks

MikeP
Thursday 15 May 2014 8:42PM

DonaB
Not having experienced this myself even though I live a few miles south of Swindon, I have a suspicion that there may be some atmospheric affects causing this phenomen, though no proof of that. It has been noticed before that warm weather with high pressure areas tends to produce unusual loss of signals.
If it happens, please do not try to retune your TV or set-top box.

D
DavidM
Wednesday 11 June 2014 9:17PM Kilmacolm

I am having exactly the same problem, but near Glasgow. I can have no signal for 2 or 3 days and then it comes back at full strength. Days and times are random.
System is through a loftbox (which I have tried changing), and aerial is a Televes DAT45 as transmitter id 30 miles away.
This setup has worked for the last 5 years without a problem.

Could it be 4G interference?

M
MikeB
Wednesday 11 June 2014 10:58PM

DavidM: I'd start by checking your system. Although you say the day/time is random, its likely you have a problem somewhere in your setup, perhaps a break, etc, where moisture is causing problems. Check the cable from the loftbox, and perhaps change the aerial lead from the socket - it might be as simple as that.

Why is there suddenly a rash of people convinced 4G is a problem? Nothong for months, and then loads come along at once!


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