Energy Products

Gateway Not Working

edited November -1 in Energy Products
Hi, I got my system up and running. Everything seems to be working except the gateway (gwy10). It shows "no signal". I have already called Tesla several times. They try one or two things and then ask me to wait for 24 hours. So far, nothing has worked. Any idea what could be the problem. Thanks.


  • edited March 2019
    I have the same issue. I'm not too concerned as the gateways only purpose (that I know of) is to feed the solar data from the backup gateway to your power guide on the mysolarcity site. I assume you're able to see everything from the Tesla app, yes?
  • edited March 2019
    Steve0 - FWIW I believe the gateway also has the fast auto-disconnect transfer switch which activates during grid outages
  • edited March 2019
    unfortunately, i can't see anything on the app until the gateway connects to the inverter.
  • edited March 2019
    I had the same problem until the Tesla tech (on site) set the password to my WiFi into the system. Then the 2 can connect.
  • edited March 2019
    The gateway issue gets confusing because of a couple of reasons. I hope this post helps clear it up.

    First of all there are two separate items referred to as a gateway. One of them is a small 5"x5" box that plugs into the back of your homes router and that gateway is for the mysolarcity app or website. Secondly if you have a powerwall there is a gateway which is usually mounted close to the main breaker panel and is a fairly large grey metal box approximately the same size as the main breaker panel and has two black "nubs" on the top of it. Those nubs are antennas.

    This gateway is responsible for instantly isolating the houses electrical load from the grid when there is a power outage allowing the powerwall to provide the house with backup power. It also is responsible for communicating with the Tesla app and to Tesla headquarters. When you get your solar system up and running you have to register this main gateway with Tesla before it will work at all for communicating.
    It has three ways of communicating ethernet, wifi or cellular. When the system is installed it is communicating by cellular which is meant to be used as a backup system. The main way to communicate with the gateway is wifi or ethernet.

    The only way to get the wifi working is to call Tesla (after registering it) and they will set you up. My cell coverage is spotty where I live and my app would stop responding here or there. Since setup on my home wifi it works great.
  • edited March 2019
    As stated in another post, our Powerwalls were installed yesterday. Took 4 and 1/2 hours and I am very happy with the install. Because we have a Tesla car already I did not have to do anything to have the apps for the Powerwalls appear on our phone under the regular Tesla apps. Because I had an Ethernet cable in the garage from the original monitoring system for our solar I did not need any additional equipment, but only had to connect the Ethernet cable to the router. I have ours set for backup only. The only thing I wished was available was the ability to limit the backup to something less than 100%. I called support and was assure that charging the Powerwalls to 100% will not harm them, but I am used to charging the car to no more than 80% to protect the battery. so am still a bit concerned despite the tech's reassurance.
  • edited March 2019
    @Model X Guy Go to the "Customize" setting for your Home Energy Gateway and select "Self Powered" mode. At that setting you can select any reserve power setting you want up to 100 percent. We have utilized Self Powered Mode since turning on our 2 PW2's on 6/22/18, and they have worked perfectly to reduce our grid draws. Since our solar ticked back up the last week of February we have not drawn any electricity from grid utilizing our solar energy entirely, and are exporting about 25 percent of excess energy back to grid with our backup energy reserve set at 20 percent for brownouts/blackouts. The Powerwalls charge back up each day to 100 percent from solar, after drawing down at night and early morning until the solar kicks back in. I can assure you that charging the batteries to 100 percent does not harm them. We have been absolutely blown away with how well they work to minimize our grid draws of electricity as a perfect complement to our solar, suppling all the electricity needs to our all electric home, charging our two Tesla's (MS and NM3), and exporting excess electricity generated back to grid (We exported 60 Percent of our solar energy back to grid last year) in Edmonds, WA.
  • edited March 2019
    Tesla-David I guess I did not make it clear that I do not want to use the energy from the Powerwalls to power our home at night, but only as a backup. Our 5.2KW system with a solar water heater made more than we needed before we had two electric cars. But now not so much, so we use credit when we are not here from the power company to charge them when we are here. The TOU rates here are not that good to make up for the10% round trip loss of using the Powerwalls. Also it is greener to use utility power to charge our cars at night.
  • edited November -1
    @Model X Guy, my situation is entirely different from yours, as we have 13.2 kWh solar system, which provided 252 percent of our electricity needs last year, which included running our all electric home and fully charging both our Tesla's. For us it is greener to not use any grid energy for charging, when we can easily charge off our roof, so your point about it being greener to use utility power at night is not my take on our situation. My personal goal is to utilize as little of the grid energy as possible. With our powerwalls we are operating as a micro grid for 9 months of the year, but do rely on grid energy to supplement our solar between November and January, when our solar production is not sufficient.
  • edited March 2019
    Is there a way to access information the powerguide provides through a web server? If so what is the default & password?
  • edited March 2019
    I am not aware of any User Manual or other published instructions for operating Powerwalls, or for that matter, a Tesla solar system. Tesla just installed a system in my house and did not provide anything other than a SolarCity QuickStart Guide which only shows how to install a little gateway. My Tesla installer said it was redundant as everything it can do, the Tesla iOS app can also do
  • edited September 2019
    I had the same issue with my Powerwall 2. The Owners manual said to reset the Gateway if the app was not communicating with the Gateway, I checked with customer service first (very helpful lady) and the agreed. I pressed the reset and the app immediately reconnected.
  • edited September 2019
    Very cool that you have been self sufficient for 9 months with 2 EVs! I am looking at 7.4 kW solar rental from Tesla with 1 PW to be 90% self sufficient for my home. I plan on still charging my model 3 from grid at night, I pull an average of 20 kWh per night, and plan to get my wife the model Y, so figure 30 kWh per night total. House averages 30 kWh per day for the year, peak of 60 kWh on hot days in the summer. To be self sufficient I think need 11 kW and 4 PW which is too expensive right now.

    So my question - how many kWh are you charging each night on average? For only 2 PW it must be less than 15 kWh. That means you average a total of only 50 miles per day for two vehicles? I average 150.
  • edited March 2020
    I have my gateway not working for a month now and so are my solar panels .
    Everything connected to linksys router is working other then gateway.

    Gateway just moves to no-signal.
  • bpbp
    edited March 2020
    Recently I had some problems with our local network and suspected the wired connection to our TEG might have been the source. So I disconnected the TEG from the wired network and used the WiFi connection. And found the WiFi connection wasn't very stable. [Turned out the network problem was not caused by the TEG but another device on our network.]

    Our TEG is mounted on an outside wall of our garage, between multiple electric panels and the smart meter. On the other side of the wall is our 4 PowerWalls and 3 150A house breaker panels.

    Inside the garage, we get a great WiFi signal that is used by our S & X, solar panel monitor panel and smart sprinkler.

    But on the other side of the wall, the TEG appears to have problems getting a stable WiFi signal.

    I suspect that with all of the power equipment around the TEG, there is enough interference to degrade the WiFi signal.

    Since we have a wired connection, we don't need the WiFi connection to the TEG. But if we did, I'd probably get a WiFi extender and plug it into the wall inside the garage as close to the TEG as possible to give the TEG a stronger signal. Another option would be to install an extender that had a wired output and then run an ethernet cable through the wall to the TEG, and bypass the TEG's WiFi.
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