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AX12 RAX120 Constantly Rebooting
For the third time in a year, this router has started to reboot itself about 10 times per hour. I have 50+ wifi/wired devices connected. Current firmware v1.2.3.28 installed over 3 months ago. No ...
- The last time this happened, I did do a factory reset. No help. That time I was inside the return window so I sent it back for another one. That’s the one I have now and it’s been solid for months since it too had the problem twice. Ruling out a defective unit. Update: I unplugged it for the overnight. Powering it back up in the morning, it’s been solid once again. Definitely a heat issue. I also have a mesh that records traffic to each connected device. One tablet running a surveillance camera stream had used over 7.5GB 2.4mhz streaming over a 2 hour period just before this started. I’ve disabled 2.4mhz WMM and the home assistant card responsible for the streaming. No more problems. Bottom line, this router cannot handle 2.4mhz streaming video. It will overheat.
Disable the 2.4ghz wmm in QOS settings if you have bad power and/or a non pure sine wave UPS. Switching to a pure sine wave UPS appears to have solved my Random reboots with 18 days of uptime where previously I would get 8 random reboots a day.
beachmiles Turning off WMM will wreck Wi-Fi performance WMM should always be left on. Basically it decreases Wi-Fi performance badly. See here for details. https://www.smallnetbuilder.com/wireless/wireless-features/30938-dont-mess-with-wmm
- I agree disabling 2.4ghz wmm significantly decreases speed on that channel but I'll take that over the router constantly rebooting.
The real fix for me was swapping my modified sine wave UPS with a pure sine wave UPS. Im going on 20 days without a random reboot with 2.4ghz wmm enabled. Would you say that almost any UPS with automatic voltage regulation would work to resolve the problem if this is in fact the case? It could mean a significant difference in investment. I will mention that I had my router on a UPS, being that there were other devices attached as well, and my router still would reboot 5 to 10 times a day. Now that I'm plugged directly into the wall, my router may only reboot once every 4 or 5 days.
UPS devices with PFC/APC / Line-Interactive should correct any power fluctuations on the fly without going to the battery but if you have a crummy power source in a large condo building like mine that UPS will need to switch to DC a couple times a day. How gracefully this power correction or switch to DC happens varies by APC UPS model number seems to matter quite a bit to this particular router.
https://blog.tripplite.com/line-interactive-vs-on-line-ups-systems
This is the PFC/APC UPS device I previously was using which I thought was a pure sine wave but in fact was a modified sine wave which was causing my RAX120v2 to randomly rebooted 8 times a day if I left 2.4GHZ WMM Enabled. With 2.4GHZ WMM Disabled the router was much more stable but I think it still rebooted like once a week?
https://www.amazon.com/gp/product/B06VY12HW4
This PFC/APC UPS I switched to is pure sine wave and let my router run 20+ days in a row with the 2.4GHZ WMM Enabled. I had a cable internet issue at one point where Spectrum internet was down in LA one day so I did a manual router reset and the system has stayed strong again with no random reboots so it sure seems like this was the root problem for my router.
https://www.amazon.com/gp/product/B00429N19M
Im guessing your power is going in and out of spec like my power so the UPS will need to switch to battery power often. Having pure sine wave when on battery power appears to be very important to this router especially with the 2.4Ghz WMM Enabled.
I got the 1350watt version of this but I'd imaging the 1000watt version would be fine for $160 bucks. Not too terrible.
https://www.amazon.com/gp/product/B00429N19M
Am having same problem but i just realized the fan isnt working could that be part of the issue
What FW version are you using?
Contact the forum moderator and ask about the beta that's available.
Also log into the routers IP address/debug.htm and enable the Thermal Fan check box. Will help keep the router cooler.Or install a laptop cooler fan for 24/7 cooling:
Helps save electronics life span.
cobby1 wrote:
Am having same problem but i just realized the fan isnt working could that be part of the issue
