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My Sky box has a "no signal message" - what do I do?

My Sky box has a "no signal message" - what do I do?

My Sky box has a  no signal message  - what do I do?
Published on by on UK Free TV

If you are getting the message "no signal" this would indicate that there is a problem with the signal from your dish into your box. Even without a card inserted into a Sky Digibox, if there is a signal, you will always get Sky Guide and the free channels.

Try powering off your box, remove the card, check carefully the cables, especially the connection to the dish, reapply the power and then when asked to insert your card you should then be able to see (for example) channel/SNWS">Sky News on 501 and the BBC News channel on 503.

Once you can see any channel, reinsert your card. This should, after about one minute, give you the channels you expect, such as 103, 104 and 105.

There are three ways you can attempt to reset your box. Please see <img src="data:image/png;base64,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" class="xico" style="vertical-align:text-bottom" alt="www.ukfree.tv link icon"> link icon What can my do when my Sky Digibox says 'No Signal' ?.

If you continue to get "No signal", you dish may have been misaligned, or there may be a fault with the cables and connectors, or a problem with the Digibox. You can see the signal strength by pressing SERVICES, then 4-SYSTEM SETUP and 6-SIGNAL STRENGTH.







Your comments: most recent posts are at the bottom

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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.

J
jb38
Wednesday 22 October 2014 7:26AM

James: If swapping the LNB inputs over on the box has apparently improved the situation, albeit only for a while, then although the problem could still be down to a fault in your boxes internal power supply, another reason could be that water has crept into the "F" connectors on the dish end of the cables, as this type of thing can result in erratic reception.

If you can access the LNB on the dish? unscrew (in turn) each of the two "F" connectors that come from the HD box, ignoring the one used by the Grundig box as you have said that's OK, further unscrewing the connector from the coax to enable proper checking, then on completion, screwing them back onto the coax again "after" having ensured that all strands of the coax braiding has been pulled back over the outer cover of the coax.

If after having carried out this procedure you find that the problem still remains with the No1 input still zero (or erratic) on the level bar, then your last option is to swap the coax connector on the LNB (that comes from the boxes LNB1) over to the spare port on said LNB, that is "if" your dish is fitted with a standard 4 output quad block, as its extremely unlikely that more than one port on the LNB would be faulty.

However, if by any remote chance this does not rectify the problem, then this unfortunately points back to the box being defective.

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J
jb38
Wednesday 22 October 2014 7:36AM

James: Also meant to say, that if when you refer to "terrestrial" you are meaning anything "other than" the programmes received via your Sky box, then this does not really come into the equation, as terrestrial channels are received via a normal aerial and likewise are completely unconnected with signals received via a dish.

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James
Wednesday 22 October 2014 8:40PM

Thanks again for your reply. Problems seem to have mainly resolved. Occasionally some channels do not come on immediately when the box comes out of standby,but this usually resolves quickly. I have a nagging feeling there is a fault somewhere so if things go wrong again I will follow your advice. Thanks

J
jb38
Wednesday 22 October 2014 11:24PM

James: Well at least you are now aware of all the possible reasons for your problem, likewise will know where / what to investigate.

But just a small point on the Sky box power supply problems referred to.

The reason why any box with a defective power supply works for a short while after having been disconnected from the mains, is simply because that disconnecting the box from the mains allows the cause of the problem to cool down, namely but not exclusively, the electrolytic capacitors located near to the main power supply heat sink.

The time factor involved before the box fails "after" having been powered up again, directly relating to the time it takes for the defective component(s) to warm up.

Thanks for your update!

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