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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 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.

R
Rita King
Sunday 24 August 2014 9:16AM

I have a sky box just for freesat, its not got a phone line etc we just wanted a dish aerial when the change over occured, in April I turned it off at the mains to let ie reboot (?) turned it back on nothing, took it to the tv repair shop and it worked for them they lept it a few days and it continued to work, set back home all o.k. This Saturday I watched breakfast news etc, agin thought I'd turn it off from the wall, went to turn it on later, nothing as before, I changed the fuse in the t.plug and the set came on but NO Signal, went to the tv shop again, "sounds like your sky box" bought a new Goodmans came home plugged it all in still no signal, so I can't even set up the new box, any idea whats going on ??

J
jb38
Sunday 24 August 2014 10:42AM

Rita King: If the fault has been experienced on both boxes, then it has to be caused by an intermittent fault on either the LNB (on end of dish arm), or the coax cable / connectors that runs from same to your box.

If you have your own dish and "not" connected into a communal one, then apart from checking the coax where it enters the "F" connector on your box, or (if used) where its connected into a socket on a wall plate, making sure that its firm and hasn't slackened off, its nearly always the connector on the other end of the cable that causes the problem, such as water having entered the inside of connector on the LNB and shorting it out, this possibility having to be checked out by someone.

If you still have the Sky box then this should be used for testing purposes.

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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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