Havin an issue with my Limesat and Nano II

[glen1971]

I had posted under the Limesat forum, but realize that not everyone surfs just to read posts... So I figured I'd try here...

On my Limesat I was missing the channels on TP 12443H and 12414H..My "S" was at 0-20... Before everyone says, I know that you can't get tv with that low...

After doing lots of running up and down the stairs, outside to the dish here is what I found....

- Upstairs I am running a Limesat (91). Downstairs a Nano II (110 and 119).
- 2 4x1 switches outside at the dish (one for each receiver).
- My Limesat runs Bell with the exception of at least the above TPs with my Nano running in the basement with no hiccups.
- If I power off my Nano (switch on the back, not just the on/off on the front) my "S" upstairs jumps to 60 on those two TPs. After a rescan, all the missing channels from before are back.
- After a rescan, if I turn my Nano back on, the Limesat TPs in question go back to an S of 0.

Any thoughts as to why(s)? Possible fix?? One thing I did notice with my Nano - if I connect my cable to my 91 LNB to the switch for my Nano it seems to be the only sat that my Nano will lock onto (119 and 110 all come up as 91). Bad switch? Incompatible receivers?? Bad LNB?

[torpainter]

maybe ground your system?

[glen1971]

maybe ground your system?

I'll give it a shot tomorrow after work and report back... Thanx...

[Mavrick]

When using 2 receivers and 2 diseqc switches low signal isolation can be a problem, I am guessing you are using Legacy/Standard LNB's?
Some LNB's do not isolate their ports appropriately, when a signal comes into one of its ports the LNB fails to isolate the signals and it allows leakage into the other LNB port, which then can leak to the diseqc switch causing little or no Q reading on one of the receivers.
To stop the issue, you can try grounding your system as mentioned above but that does not always work. Try using a different switch with good isolation loss such as a 3x4 or 4x4 22KHh multiswitch that will prevent the unwanted leakage (2 LNB's per 4x4 switch) then it would be best to use SW-21 switches to combine the feeds from the 4x4's to each receiver if using more than one multiswitch. See diagrams below for proper grounding & multiswitch set-up......

[marcelect]

Your ground diagram is good but I would also grab the dish or dishes,whatever is the system.

[glen1971]

Ok.. Sorry for the delay, but work got in the road of satellite watchin and testing....

I tried grounding both switches and the dish to the house ground with no change in result.. I'll see if I can grab a new switch and change that out... Probably a week or so (factorin in a few days for some deer huntin)...

Reportin back after the switch upgrade...

Thanx..:)

[glen1971]

Well... I braved the cold today and tried the idea with using a couple of SW21s, 4x4 switch and a 3x4 switch...

All I could pick up on the Satellites was 110... Didn't matter what I settings I tried...

Now I have bit bigger of an issue... My S&Q are both at 0... Tried a couple of different cables, a straight thru splice, and a new switch.. I even tried using the same set-up but with a Phoenix.. I was still getting 0's on both the S&Q... Any thoughts...

[daryl1964]

Try hooking up cable direct to 119w and tweek dish for best reception possible,then do the same for 110w I think it may a funky cable(check all connectors)or possibly dish allignment,check post is plumb,scan 119 on 12297 or 12326 and scan 110 on 12224. check another lnb if you have the means?...of the three receivers limesat might be best for accurate signal strength....

[glen1971]

Found a bad cable heading outside (dead short from center wire to connector)... And I think a failed LNB on my 91... If it ever warms up I will be changing it out and seeing if that fixes it.. Watching DN right now...