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Motorola DCT-700 Digital Adapter not changing channels consistently

2 of the 4 Motorola DCT-700 digital adapter's in my home do not always work with the remotes. First one would not change channels at all unless the STB was rebooted & then it would only work for a day or two before it would not work again. I had that STB replaced & still same issue. Second box started acting up with same issue except it would work when it felt like it. Power on & off & channel change. First thing was to replace batteries, took remotes apart to clean contacts & even tried a knows good remote & still same issue. I replaced cables & splitter & even connected the STB directly to ONT removing all "bad connection" issues. I had the second STB replaced last week. It worked for about 5 minuets before it started showing same issues with channel change & power on & off. It is not as bad as the old STB but still have to hit buttons repeatedly to get it to work. Both boxes worked for years without issue. Nothing in the rooms have changed, nothing added that would cause IR interference. I had that issue years ago caused by LED light bulbs so I know what to look for. I constantly have issues with all STB including the one HD STB with pix elation on all channels. All cable in the house is brand new RG6 I replaced the cable splitter twice & tested with brand new cable plugged directly to ONT. Also had the ONT replaced about a year ago.

Any ideas?

Comments

clem21

@GrzzBear wrote:
2 of the 4 Motorola DCT-700 digital adapter's in my home do not always work with the remotes. First one would not change channels at all unless the STB was rebooted & then it would only work for a day or two before it would not work again. I had that STB replaced & still same issue. Second box started acting up with same issue except it would work when it felt like it. Power on & off & channel change. First thing was to replace batteries, took remotes apart to clean contacts & even tried a knows good remote & still same issue. I replaced cables & splitter & even connected the STB directly to ONT removing all "bad connection" issues. I had the second STB replaced last week. It worked for about 5 minuets before it started showing same issues with channel change & power on & off. It is not as bad as the old STB but still have to hit buttons repeatedly to get it to work. Both boxes worked for years without issue. Nothing in the rooms have changed, nothing added that would cause IR interference. I had that issue years ago caused by LED light bulbs so I know what to look for. I constantly have issues with all STB including the one HD STB with pix elation on all channels. All cable in the house is brand new RG6 I replaced the cable splitter twice & tested with brand new cable plugged directly to ONT. Also had the ONT replaced about a year ago.
Any ideas?

Any chance it has something to do with activation? Can you get support to de- activate the boxes and re-activate them for you? Have you tried them in a different room? Is it possible there is an RF not IR issue going on? Sometimes fluorescent lamps, or power supplies for devices can leak RF that affects other devices.

GrzzBear

I've been on with support several times. They tried everything. Already stated that I eliminated all possibilities, Cable, splitter, remote, IR interference, replaced both boxes & ONT.

clem21

@GrzzBear wrote:
I've been on with support several times. They tried everything. Already stated that I eliminated all possibilities, Cable, splitter, remote, IR interference, replaced both boxes & ONT.

That's why I suggested RF interference. It's the only other possibility if you are certain it isn't IR interference. Those boxes have been around a long time without problems,, and I doubt there has been any firmware updates lately. So unless the code for the remote isn't working properly, the ONLY possibility is RF or IR interference.

GrzzBear

There also has been no change in RF in the house. Remotes use IR so RF would bot be an issue anyway. I tested the "bad" STB with a remote form a known working STB & still had same problem. I am 100% positive I eliminated any issue with the remote, cable, STB & splitter. Could a poor signal coming into the ONT effect random STB? I would think it would effect every box. I do have problems with pix-elation on all boxes.

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