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Lost Odd Transponders on 103CB and 103CA


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4 replies to this topic

#1 OFFLINE   Visman

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Posted 07 October 2013 - 11:49 AM

After a rain storm I noticed that half of the HD channels were saying searching for Satellite 721. When I went to look at the signal strength I notice that all the odd Transponders, of the Sitellite 103ca and 103cb, were at 0. and the evens were in the upper to mid 90s. But here is the strange thing about it, in the heat of the day the odd Transponders come back up and when it starts getting dark they go back to 0. Has anyone had this happen to them, and if so what was the cause of it? 


Edited by Visman, 07 October 2013 - 11:50 AM.


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#2 OFFLINE   HoTat2

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Posted 07 October 2013 - 12:16 PM

That's usually due to moisture sipping into a coax or the dish LNB somewhere.

 

What type of LNB is on the dish, a SWiM type with a single cable leading from it or a conventional four output one with up to four cables from it?  


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#3 OFFLINE   Supramom2000

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Posted 07 October 2013 - 12:30 PM

There is another thread where someone had the signal errors every morning and night, but daytime was fine.  He got his LNB replaced after the 3rd service call, and all works now.

 

I believe they figured moisture in that scenario as well.


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#4 OFFLINE   Visman

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Posted 07 October 2013 - 02:54 PM

A conventional four output one with up to four cables from it to a multi-switch.


Edited by Visman, 07 October 2013 - 02:55 PM.


#5 OFFLINE   HoTat2

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Posted 07 October 2013 - 04:24 PM

A conventional four output one with up to four cables from it to a multi-switch.

OK;

 

Check the cable from the dish to the 13v/22 KHz input of the multiswitch by swapping its connection with any of the three other cables at the switch's input, then when the problem returns see if it moves to another set of transponders.

 

If it does the cable or its connectors are bad.

 

If it remains on the odd 103ca and cb, you have a bad LNB or multiswtch (if it's mounted outside) which is allowing moisture inside either of them somewhere and must be replaced. 


Edited by HoTat2, 07 October 2013 - 04:26 PM.

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