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AX1800 restarts itself every few days after upgrading to v1.2.0

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AX1800 restarts itself every few days after upgrading to v1.2.0

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AX1800 restarts itself every few days after upgrading to v1.2.0
AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-08 23:36:47 - last edited 2020-12-08 23:41:11
Model: Archer AX1800  
Hardware Version: V1
Firmware Version: Firmware Version: 1.2.0 Build 20200929 rel.54838(4555)

I have an Archer AX1800 for a few months with plenty of smart Wi-Fi devices and few home users. It was working perfectly (as far as my observation go) but around two weeks ago I have decided to upgrade the firmware.

 

Since the 1.2.0 version I have noticed at least few restarts of the router. I was able to save logs after it powered up a few minutes ago. As I base my smart home around a Wi-Fi and ZigBee connection I cannot accept any random restarts, I expect the uptime to be in weeks, not hours.

The router is placed in the open air, so no heat problems should occur. Can you please help me debug this?

 

Logs are attached below.
 

EDIT: The previous reboot was around 26 hours before this one.

File:
syslog-2020-12-09.logDownload
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#1
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Re:AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-09 01:17:53

@ArkadiuszN 

 

As practice shows, usually in that kind of situations, the best approach is to hard reset (by Method 1) the router and re-configure from scratch.

If it's not too much of an effort for you try it and see if that helps. Make some notes in Notepad or screenshots beforehand for your convenience.

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#2
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Re:AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-14 19:40:55

@Ivaylo I tried it today and 6 hours after factory restart the router rebooted itself. As there is no way to check the uptime I am monitoring the status by my home automation. What's the next step? Can I downgrade the firmware?

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#3
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Re:AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-14 20:29:06 - last edited 2020-12-17 01:45:50

@ArkadiuszN 

 

Probably not. If you go to FW page for your device, at the end of the release notes, there should be a note stating that downgrade is not possible.

Can you browse the device logs just before rebooting to see if there's any clue regarding reboot reason ?

The other thing you could try is to set wireless transmit power to low or medium and see if that makes any difference.

 

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Re:AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-14 21:23:28

@Ivaylo That sucks :( Do you know if this is a known issue or am I the only one? I am thinking of returning/replacing the router.
For now I have set the TX power to medium.

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#5
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Re:AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-14 23:29:40
You are not the only one, if you browse the forum you'll see a lot of similar cases, but this can be due to a lot of different reasons. As you wrote it has been working without issues for the past few months. So, probably it's a FW/configuration issue and can be resolved. Have you changed anything else in your network before the issue appeared - other than upgrading the device FW (new devices added, ISP changes, etc.) ?
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#6
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Re:AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-15 00:21:40

@Ivaylo No, maybe added one more Wi-Fi device. I will keep this thread updated if the TX power helps.

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Re:AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-16 10:58:53

@ArkadiuszN 

 

Hi, sorry for the late response. Thanks @Ivaylo for all the suggestions.

 

When the router reboots, can you still see it wireless network on the phone? How long will the reboot process take?

 

Which devices is newly connected to the AX1800 network? What if you remove it to confirm? Thanks a lot.

 

 

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#9
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Re:AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-16 11:30:06

@Kevin_Z the wifi goes down, no local device is accessible. By looking at the LEDs and time it takes, it's like a normal boot procedure.

 

So far over 24 hours of uptime with lowered TX power but I am giving it few more days before concluding the test.

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#10
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Re:AX1800 restarts itself every few days after upgrading to v1.2.0
2020-12-17 01:20:09 - last edited 2020-12-17 01:37:25

@ArkadiuszN 

 

Thank you very much for the update, and it's glad to know that the lowered TX power helps, please let me know if there is still an issue.

 

BTW, we would like to follow this up via email, please kindly update the status if the issue is resolved or not.

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#11
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