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

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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robert rainey
Saturday 5 April 2014 9:48PM

I have at times no satellite sign it is most annoying as I have to switch off and then on again this is our third time of asking what to do each time we have followed instructions to the letter but it does not help considering calling it a day with Sky I have been a customer for years and never had problems to now.

Sunday 6 April 2014 10:22PM

Robert Rainey:
This happens from time to time and there is usually nothing you can do about. You could try simply changing the programme being viewed to check whether other services are still available - if they are then there is no fault with your equipment.

On my Sky + HD box and the previous boxes this happaned on occasions and I believe it is caused by either interuption of the uplink signal (from the ground base station up to the satellites) about which you have no control, or an interuption of the downlink signal (from the satellite to your dish). That can be caused by aircraft flying at relatively low altitude through the direct line from your dish to the satellite (it often happens near airports or RAF bases) or it can be caused by trees having grown and now affecting the signal path to your dish. There can, of course, be other causes, but it is very rarely your equipment.

Monday 7 April 2014 11:00AM

I am trying to help an elderly friend to get her sky+ box working in her new room in a sheltered home.
She used this box successfully in her old house without any problems.
She has no sky subs.
The box does not have a viewing card.
The telephone line is NOT connected.
The old house had a single dish.
The new apartment is part of the sheltered home where they have a communal dish. Every flat has 3 sockets on the wall (Sat, TV, FM).

I connected the new cable from the sat socket to the sky+ box on Input1.
Box says that there no signal.
I contacted teh warden to say that her flat has no signal. The warden assured me that every is pumped. I have no way verifying this.

I found the sky System Health Check menu and ran that.
The result code was WH91.
For both Input1 & 2, the signal status(?) was 4WWW-WWWA.

What else can I try to get her going ?


Monday 7 April 2014 11:21AM

ParaNoid1: you can get quite cheap satellite signal strength metres from shops like napkin or online.

Monday 7 April 2014 1:27PM

Brianist, Thx for the signal meter link.
Before I go and buy one, is there any reason for the sky+ box to stop just because it has been moved to a communal dish?
E.g. does it need to be told (through some setting) that it's now connected to a different dish and must be tuned to a different frequency ?

That is, the socket on the wall may well be pumping out a signal but is not compatible to the box ?

Wednesday 9 April 2014 2:29PM

I am trying to get my tv guide on screen - All I'm getting is 'For your Information Searching for listings Please wait - I've been waiting hours!!!!!

Wednesday 9 April 2014 8:33PM


Do you have the telephone line connected?

donald hughes
Tuesday 22 April 2014 12:37PM

I am missing certain channels have done all troubleshooting and checked cables but still comes up no signal being received

Tuesday 22 April 2014 3:32PM

donald hughes: It would make it somewhat easier for anyone to be able to offer advice if you indicated the type of equipment you are referring to, e.g: a Freesat TV or box, or a normal Sky box / Sky+ / or a Sky+HD type?

Also, if you are referring to a satellite system, then are you using your own dish or are you on a communal dish system?

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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.

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