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Discussion Starter · #1 ·
I've been having issues with my install since I moved into our new build home about 6 months ago. The DirecTV install guy was at the house for over 6 hours and couldn't figure out why 2 of the boxes where getting errors when you run the self-test. He claimed the wiring to those boxes was bad. I didn't think that was the likely cause but I was getting fed up with the guy being at the house so long so I sent him on his way. The boxes with the errors worked but he warned me that some channels may not come in. I had the wiring subcontractor come out and they tested every RG6 run. Everything tested out fine so I began troubleshooting myself.

My setup is a SWM16 that connects to 2 SWS-8 green labeled MRV compatible splitters. Power is connected to the SWM16 (I've also tried it connected to SWM1...made no difference). Once I began my own troubleshooting I quickly realized all the boxes that were getting errors were on SWM2 splitter. As a quick fix I moved all the most used boxes (3 HR24s and 1 HR23) to the SWM1 splitter. They all work fine. I have a H21 connected to the SWM2 splitter. This is the box that always tests out with an error on tuner 1. The rest of the boxes test out fine. If I connect the H21 to the SWM1 splitter it tests out fine. If I move one of the DVRs to the SWM2 splitter it tests with errors. At this point I was hoping it was just a bad splitter or cable. I replaced the cable from the SWM16 to the SWM2 splitter. No change. I then replaced the SWS-8 splitter with a spare SWS-4 splitter I had. No change. At this point I'm assuming I have a bad SWM16. The chances that I have 2 bad splitters or 2 bad RG6 cables seems extremely remote. Have I missed anything obvious to try?
 

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Hello Buckeye3d,

Move the 2 output cables from the original positions and connect them to the other SWM Splitters (SWM output port 1 to SWM Splitter 2 and SWM output 2 to SWM Splitter 1). See if the problem moves or stays the same. If the problem follows the cable then test and replace one or both connectors or replace the cable If it does not then it would seem that SWM 16 output port has a problem. A second suggestion is to change the SWM Splitter(s) 8 to a SWM Splitter 4 and a SWM Splitter 2 due to your units on each SWM output ports. This drops less of the signal to the units . Do you have 75 ohm terminators on the unused SWM Splitters that are not connected to a unit.
 

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Discussion Starter · #5 ·
carl6 said:
How long are the coax runs involved? Approximate distance from the output port of the SWM16 to the splitter, and from the splitter to the receiver(s)?
Distance of the cable from SWM16 to splitters is 3ft. Distance to the receivers varies but none are very long. I don't think any are over 75ft to 100ft.
 
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