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KaufHA / kauf-rgbww-bulbs

Files for the KAUF RGBWW Smart Bulbs
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BRF30 bulb run hot? #16

Open jonofmac opened 2 years ago

jonofmac commented 2 years ago

Hello, One of my flood light bulbs have failed. I suspect the switcher failed due to heat. It won't turn on with a power toggle even though it's set to power on. It won't connect to wifi and is not making an AP. I suspect the switcher failed, perhaps due to heat. I noticed while configuring the bulbs that they get quite warm. I purchased on Amazon and set up a replacement.

KaufHA commented 2 years ago

They run about as hot as other LED bulbs I think. I've noticed that the output capacitor on the power supply can go bad for some people, so I'm going to try to start using one that can withstand the temps better. Did you get a replacement, or do you still need one?

jonofmac commented 2 years ago

Amazon has a replacement on the way. I have to return the broken one, so I'm not sure if it goes to you or not, otherwise I'd be happy to open and check the cap out (I'm an EE) for you.

On Fri, Aug 12, 2022, 13:18 Kaufman Home Automation < @.***> wrote:

They run about as hot as other LED bulbs I think. I've noticed that the output capacitor on the power supply can go bad for some people, so I'm going to try to start using one that can withstand the temps better. Did you get a replacement, or do you still need one?

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KaufHA commented 2 years ago

It's pretty tough to get to the power supply on the BR30's so probably not worth you messing with it. I think it will get back to me eventually.

jonofmac commented 1 year ago

Just bumping, I've had 2 more bulbs die, assumingly due to heat. One of them I just pulled out of the box (I have 6 spares on hand still new in box). It's been out of the box for approximately 2 hours and now does not function. Putting a new light in and beginning to repair now. We'll see if the other bulb in this box sees the same fate.

I'd be willing to help look into this one more.

bkaufx commented 1 year ago

Geez sorry man. If you email me your address I can send you some more. Haven't had anyone else with this many problems. It tends to be the power supply that people have trouble with (it seems), which is pretty impossible to get to on the BR30's. You can check the 3.3v pad on the LED PCB and see if there is power there.

jonofmac commented 1 year ago

Haha. Im not sure what it is. The tattoo that have died have been in lamps with open tops (on surge suppressors too, but i don't have power issues and none of my ceiling light ones have had issues except for 1 flood light that died). The ones in ceiling fans have been fine surprisingly so I'm not sure the root cause. I imagine i have to cut the diffuser off to get to the PCB? Quick look shows the diffuser probably isn't meant to come off I've installed.

I really do like the bulbs, just not sure what is killing them.

JoshHawley commented 1 year ago

I also had one of these BR30 bulbs die. I got it in July, and it seems completely dead. The wife says she heard an audible pop when it went dark.

What is the right way to contact support about these? If there is a different way / place to contact you about these please let me know.

bkaufx commented 1 year ago

Send email to brian@kaufha.com.

gingerbreadassassin commented 1 year ago

I've had 60-80% of my BR30 bulbs die. I subsequently found some pretty scary DIY electrical work in my new-to-me house from 1996, including but not limited to:

  1. Shared neutrals
  2. Orphaned cables
  3. Bonded neutrals and grounds in the sub-panel for the house (main panel is out on the utility pole)
  4. Loose hots in the aforementioned sub-panel

So I think the problem isn't necessarily the bulbs.

When they die, they tend to dimly flicker at somewhere between 1-2Hz when power is applied, and slowly taper off in brightness and frequency when power is removed. The ones that have survived work great, though.