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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S
steve jones
Friday 7 June 2013 11:12AM

hi jb38

I hope you can help me .
i have been trying to watch the poker channel 861 but i get the message no satellite signal is being received intermittently with pixelated pictures and stuttering . signal strength and quality for line 1 is zero , about 70% on line 2 for both strength and quality . i swapped cables around and i am still receiving the same signal strength and quality on line 1 and 2 . on all the other channels i view i have good strength and quality on both lines .

i have tried to check the lnb settings but i cant seem to find it . when i press services and 4 i get sky box office .

i have a sky+hd box

any help and advice is much appreciated
regards steve


J
jb38
Friday 7 June 2013 5:31PM

steve jones: If the problems being experienced on the boxes LNB1 input have not been rectified by swapping the leads over then this definitely points to the fault being within the box itself, and with the reason for ranging from a defective joint behind the "F" connectors input socket to the actual tuner (or power supply to) having developed a fault.

If not already having done so place the box in standby for a couple of minutes before disconnecting it from the mains, this followed by reconnecting it again after about another 45 seconds and see if anything has changed once it reloads the EPG, further advice dependant on the result of this procedure.

Just a point though that I would like you to clarify, as you have specifically referred to the problem being with 861 then are all other channels OK? or possibly not as the case may be.


S
steve jones
Friday 7 June 2013 8:31PM

thanks a lot for the reply and help jb .

most channels work fine , except for a few foreign speaking channels , one or 2 of the casino ones aswell . so maybe 6-7 channels don't work .

I rang sky and did the procedure they said , switching cables , turning it off, wiping the card but it did not help . just to clarify , I get a good signal on both lnb1 and lnb2 when on bbc1 or other channels , but when on 861 I only get a signal on lnb2 , even when the cables have been swapped .

I did as advised but nothing has changed .


J
jb38
Saturday 8 June 2013 1:42PM

steve jones: Getting back to your original posting where you had said that the signal strength & quality on input line 1 (taking it you are referring to LNB1 input) was indicating zero albeit that it must be fluctuating, then if you swapped the "known to be working" LNB2's input over to the LNB1 input socket and the situation did not change then this is a positive indication that the boxes LNB1 tuner is defective, and so its pointless carrying out any further checks because your "swapping leads over" procedure has completely eliminated any possibility of the problem being connected with a defect in the LNB or cabling from / to.

The other point that has to be appreciated is that when using a Sky box of the type capable of recording (any + type) is that normal viewing is always via the LNB1 inputs tuner as this is the main input, LNB2's tuner in most instances only being used for recording.

Also with regards to you not being able to access the LNB's settings, if as you have previously mentioned that the LNB2 input is indicating OK then its quite unnecessary to check the settings as they must be correct otherwise nothing would be received.

By the way, these and lots of other installer settings can be accessed by pressing:- services - options - settings - press select to highlight picture - followed by pressing (in quick succession) "0 - 1 - select".


S
steve jones
Saturday 8 June 2013 4:45PM

hi jb

even though lnb1 and lnb2 quality and strength is good on most other channels , does It still mean lnb1 is broken ?


J
jb38
Sunday 9 June 2013 5:21PM

steve jones: A defective tuner does not necessarily mean that nothing at all is being received, but more the case of anything that is received tending to be erratic in a fashion such as you had reported in your original posting, i.e: intermittent spells of witnessing a "no signal" warning, pixelated pictures with stuttering audio etc, and so in your particular case the problem with 861 might (although I doubt it) simply be caused by LNB1's tuner being slightly less sensitive to that used by LNB2's input, this showing up on the transponder used by 861 as they are all received at different levels, albeit a Sky box not being able to indicate this.

I will say though, that if you had only been using a single input then I would have requested that you check the "F" connectors at each end of the cable and especially the one at the dish end for any signs of corrosion, as a faulty connection can on occasions be responsible for this odd type of fault, but though by you having twin feeds and yet swapping them over did not make any difference then that eliminates the possibility of a faulty feed, but in cases such as yours and where a professional meter isn't to hand, then pinning the cause of the problem is much easier to achieve if the box in question can be tested out on someone else's dish, basically because I cannot see any further tests that you could carry out that would assist in any way as far as rectifying the problem is concerned.

That said tough, if testing the box out on another dish did magically result on 861 being received on boxes LNB1's input, then this could simply be down to the signal level received from the alternative dish being at a slightly higher level than yours thereby compensating for the deficiency in the tuner.

Just out of interest, what is the make / model number of your box ?


S
steve jones
Sunday 9 June 2013 7:14PM

ok thanks a lot jb , I will have to test it on someone else dish .

the box just says " sky+hd " , 3d anytime+ . I can't see a make or model on it anywhere .


J
jb38
Sunday 9 June 2013 7:46PM

steve jones: OK, but should you manage to try it on someone else's dish I would appreciate if you could give an update on your findings.

By the way, sometimes the boxes identification label is stuck on the underside of the box, although I dare say that you will have looked there anyway.


N
nav
Tuesday 11 June 2013 1:44PM

hi
i have sky box free channels but 2-3 days ago its not working . signals appear 'no sattelite signal being recived'
and now when i m try to change the channels its not change channel not from remote and not from box.
i check all the wires back of the box
its alright.
i dont'know whats problem...........plz help to resolve my problem.thx


L
Lynsey Coull
Sunday 30 June 2013 10:36PM

Hi , my sky + hd was not working on Saturday error 25 phone sky and they went through everything with m e, said I would either need an engineer out it I could get my self a new box! Managed to get a sky + box was working fine till tonight! Was watching 307 and when I turned it got no satellite signal on any other channel except 307 ,, switched off at mains for 5 mins and all channels came back , but when I started watching 307 again for a few minutes it came up no sat again on every other channel with error 25 ? Totally confused





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