High Strength but Low Quality signal?

[Petegee]

Although everything has been working perfectly tonight I have very high signal strength but low / zero signal quality.

If your dish is misaligned leading to zero quality would the strength not also be affected?

I have had scaffolding erected within a few metres of the dish around my house - can the scaffolding interfere with the sat signal causing quality issues eg via reflection or only by causing line of sight issues?

There's no evidence that a stray pole has knocked the dish in any way so what else might cause the low quality signal?

[Smithy99]

To lose signal strengh, something has to either be in the line of sight or the dish needs to have been moved off align.

Signal quality can be affected by a number of things, weather, radio wave interference etc. I suppose that the scaffold being in close proximity could be acting like an antenna and causing some radio interference, if it doesn't show on screen, I wouldn't worry about it.

[Petegee]

so if I understand you correctly given that my signal strength is still high (ie no different to normal) the dish hasn't been misaligned and its line of sight isn't blocked by the scaffolding which is good news...

However, the signal quality is still very low / zero (which means I can only watch a handful of channels as most of the ones we normally watch eg ITV, Five and CBeebies, etc, etc just show a blue screen) since the weather at the moment is no different to normal is it reasonable to assume it's the scaffolding causing an interference problem?

[PaulSky]

That or faulty LNB?

[Smithy99]

The last time I saw this was when a house next door had a fire and scaffold was erected right around it.

Although it was not in the line of sight it caused interference stopping a clear pictre on some of the channels, We mounted the dish on a patio mount until the scaffold had been removed and then put it back in it's original place where it continued to work perfectly.

Sounds a similar situation to yours.

[Sam Radford]

Signal reflections from any solid object can cause problems.

[nikbj68]

I have lost signal qulity, but the strength is as it always was. I had to unplug the Sky box, so I don`t think it has anything to do with the dish being obscured. Any guesses?

[Andy17]

I have lost signal qulity, but the strength is as it always was. I had to unplug the Sky box, so I don`t think it has anything to do with the dish being obscured. Any guesses?

If the dish is not being obscured by anything then it could be a faulty LNB, or even a fault with the sky box itself.

Have you tryed a force update, last time I tryed that when the signal was low it brought it back up again.

[nikbj68]

...Have you tryed a force update, last time I tryed that when the signal was low it brought it back up again.

What exactly is that? does it involve having a phoneline connected, as I haven`t since 2001!!!

[Smithy99]

You don't need a phoneline connected for this.

Unplug the receiver, then plug it back in and turn it on whislt holding down the backup button in the receiver (not the remote) you will then get a message on screen telling you it is updating etc.

Wait until it's finished, it will reboot and see if it helps. It's worth a try.