Smart bulb suddenly turns on and off randomly after 2 years of working fine

Smart bulb suddenly turns on and off randomly after 2 years of working fine
Smart bulb suddenly turns on and off randomly after 2 years of working fine
2020-11-12 22:24:46 - last edited 2020-11-12 22:26:42
Model: LB120
Hardware Version: V1
Firmware Version: 1.8.11

My LB120 smart bulb suddenly turns on and off randomly after 2 years of working fine.

 

I did everything as a good engineer geek that I am:

  • Delete schedule
  • Remove it from app
  • Reinstall app
  • Reset to factory settings many times
  • Let bulb rest unplugged for a few days
  • Put the bulb in a different lamp right next to the router

 

No matter what I do, when I reinstall and reconfigure it, it starts turning on and off randomly.

I have 20 other Kasa bulbs and plugs and they all work perfectly... except this one.

 

I think it needs to go to the garbage unless you have another suggestion of something I could try.  Don't talk to me about wifi signal.  That's not it.

For the price they sell, it was supposed to last 10 years but it lasted only 2 years...

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#1
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4 Replies
Re:Smart bulb suddenly turns on and off randomly after 2 years of working fine
2020-12-10 06:18:00

@Patthegeek 

Hi,

Thank you very much for your time and patience.

Sorry for the delay.

We are really sorry for the inconvenience.

There was large possibility this LB120 might be broken and it was hard to say what would be the problem.

 Later if you need any further help, we would be glad to provide further assistance.

 

Thanks a lot for your understanding and support.

 

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#2
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Re:Smart bulb suddenly turns on and off randomly after 2 years of working fine
a week ago

@TP-Link 

 

Hello I have the very same problem with my 2 year old light bulb Lb120 that suddenly started acting weirdly about a week ago... 

 

I have done all the same things as Patthegeek mentionned with no result. 

 

What can TP link do for us for that matter please?

Is it normal that after 2 years the bulb would act like this? If that is so, I think consumers have to know about this issue beforehand... 

 

Could we benefit from a warranty or something? 

 

Regards, 

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#3
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Re:Smart bulb suddenly turns on and off randomly after 2 years of working fine
a week ago

@Patthegeek 

 

This issue look VERY similar to my HS103 and KP400 smart plugs who turn on/off after 1+ years fine... look like something nasty is happening with TP-Link Kasa products recently.

 

Please revise and participate to my thread here :

 

https://community.tp-link.com/en/home/forum/topic/236596?page=1

 

 

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Re:Smart bulb suddenly turns on and off randomly after 2 years of working fine
Tuesday

@Yhide 

Good day,

Sorry for the delay.

As for the service time of the Kasa smart bulbs, they are mainly related to the using environment and there is no two –years limitation.

For the detailed warranty procedure, please have a check with the local support:

https://www.tp-link.com/support/replacement-warranty/

 

and if you would like to spend more time with us, we would be glad to forward your case to the senior engineers to see where the problem is;

at the same time, please help us check the following information:

1. How frequently did the LB120 turn on/ off randomly, like  2 or 3 times a day?

2. if possible, could you please record a video clip and send to us?

3. What is the model number of the home router and did you use any third-party programs, like Home Assistant or Home Bridge to control the LB120?

4.if resetting the LB120 and leaving it unconfirmed, would it automatically turn on and off again?

 

Thanks a lot and wait for your reply.

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#5
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