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Forum Discussion
CAX80 continuous reboot cycle during power outage while on generator power
Hi, My CAX80 modem/router is going into a continuous reboot cycle while my house is on generator power during a local power outage. Power went out yesterday, I started my generator and was able to u...
Let us know how it goes. They should be able to correct the problem. :smileywink:
FURRYe38 Well that was a disappointing call with Xfinity support. He said they did have an outage in my area which could have resulted in degraded service which could have caused the modem to do the reboot. Its rather frustrating that they didn't tell me that yesterday and most of my surrounding neighbors had internet while I didn't. He just brushed aside the CMTS issue and didn't want to see my modem logs. He ran all of his signal checks they do, which of course came back fine since I'm not currently having issues. Ugh! I'm going to switch to generator power again and see if I can recreate the issue and then call them back.
FIgures, well ISP agents like to avoid calling there problem. Possible there WAS a problem and may have been fixed by someone else calling in about there service line seeing problems and by now, you may not see it if the service is now working.
If the issue only happens when the generator is on it could be either generator related or ground related.
What generator is it? Is it a sine wave generator? Modified sine wave?
Sounds like the ISP outage was the issue but here's something to try when you test on generator power:
Some generators, particularly inverter-generator types can have slow response time. These idle down and run quietly at light load which is nice but voltage can sag when they are hit with a heavy load. This is due to the fact that the motor must spin back up to support the sudden load increase. Your PC might be able to ride through such a sag while the router may not.
Once on generator power, switch off loads other than the computer, router and maybe room lights. With computer running and online, switch on a heavy load (hair dryer, space heater, heat gun...). Did the lights blink? Did the router reboot?
plemans My_Username I'm using a Predator 3500 inverter generator. Its supposed to produce a pure sign wave. I'll try the test suggested by My_Username and see what happens.
