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Help: What can I do when my Sky Digibox says 'No Signal' or 'Technical fault'?
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What can I do when my Sky Digibox says 'No Signal' or 'Technical fault'?


What can I do when my Sky Digibox says 'No Signal' or 'Technica

How to Reset a Sky Digibox when 'No Signal' appears.

Reset method 1 - Delete and Rescan

  1. Turn the power off at the mains socket. Either do this by pulling the plug from the socket, or using a power switch if there is one.

  2. Remove the viewing card from the machine. Using a dry cloth or kitchen roll, clean the gold connector on the reverse of the card. Do not use any cleaning products.

  3. Check cables and connectors are in good order.
  4. Wait for at least 30 seconds.
  5. With the card still out of the machine, plug the Digibox back into the mains.
  6. Ignore all the messages, and wait for around a minute.
  7. Try 101 for BBC One, 102 for BBC Two and 103 for ITV-1.
  8. Insert viewing card, wait a few seconds.
  9. Check 104 for Channel 4 and 105 for five.


Reset Method 2 - Reset the LNB

If the above method does not work, the LNB may have a fault.
  1. Press the [SERVICES] button and then press [4] [0] [1] then [SELECT]

    On Sky HD, press the [SERVICES] button and then press [0] [0] [1] then [SELECT]

    Press the buttons in the sequence above exactly - do not atttempt to use [UP] or [DOWN]. Note that when you press the second 0 and 1 nothing happens on the screen until you press the final [SELECT]. This is a "hidden menu".



  2. Then press [1] to go to the RF output menu.
  3. Press [DOWN] three times to highlight the line 22Khz Command and then press [RIGHT] to change the value to [OFF].
  4. Press [DOWN] and [SELECT] to select Save New Settings.
  5. Press [SKY].
  6. Again press [SERVICES], [4], [0], [1], [SELECT]; then [1] again for the LNB Menu. (SERVICES 0 0 1 SELECT for Sky HD).
  7. Now press the [RED] button (reset all settings), then [DOWN] until you can select Save New Settings again.
  8. Press [SKY].


Reset Method 3 - Upgrade the system software

If there are still problems:

  1. Turn the Digibox off at the mains again and remove the viewing card.
  2. Whilst holding down the BACKUP key on the Digibox - NOT ON THE REMOTE - turn the mains power on.
  3. Keep hold of BACKUP until the screen displays a "UPGRADING SYSTEM SOFTWARE" message – this will be white text on a black screen. On some boxes this can appear as a half screen.

  4. Wait 10 to 20 minutes for the software to download and install. The box will restart when the process is complete.
  5. Ignore all the messages, and wait for around a minute.
  6. Try 101 for BBC One, 102 for BBC Two and 103 for ITV-1.
  7. Insert viewing card, wait a few seconds.
  8. Check 104 for Channel 4 and 105 for five.


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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.

J
jb38
Sunday 6 July 2014 9:10PM

Sarah mc donnell: The problem you are experiencing is most likely to be caused by either the misalignment of the dish, a defect in the cabling from the dish, or indeed a problem with the LNB that's mounted on the end of the dish arm.

However, could you please clarify on the following points.

(1) Is the multi room box referred to in addition to another Sky box?

(2) If though the multi room box was fitted as a replacement for another Sky box, then were you receiving Sky perfectly OK on the old box?

(3) When you say that the signal strength showed nil, are you meaning when you carried out a signal strength check on the Sky box? i.e: by pressing "services" - 4 - 6.

(4) Was this installed as a D.I.Y job?

B
Brian
Monday 14 July 2014 4:05PM

I've got an older Thomson Sky box which has never caused any problems. I get warning 29 "no satellite signal is being received". I have followed all your reset instructions but it hasn't solved the problem.
I've herd that there can be PSU problems with these boxes, could this be what is wrong. I did get intermittent reception for a few minutes lat night but gone again today.

Les Nicol
Monday 14 July 2014 4:24PM

Brian: I woud check your dish alignment and cable connections security and for any possible water ingress and LNB as a first step as the box is clearly live if you are getting 'no satellite signal' . PSU problems would give you either power off's or a complete power shutdown of the receiver.

J
jb38
Monday 14 July 2014 11:51PM

Brian: Although this test is not completely 100% accurate, but the best way to check for a power supply defect on one of the older models of Sky box such as the type mentioned, is to disconnect it from the mains for about 20 minutes to allow it to cool down, followed after said time by reconnecting it again and allowing it to go though the usual "searching for listings" procedure.

If the box had actually failed before is was disconnected from the mains, but now works (even for a short while) after having carried out the aforementioned procedure, then in 99% of cases this indicates that the power supply is indeed faulty.

J
jb38
Monday 14 July 2014 11:56PM

Brian : That said is in addition to Les Nicol's advice, as 29 can be caused by either of the two possible reasons mentioned.

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Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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