Breakers randomly tripping

I had an electrician friend tell me all new houses have to have the new arc fault breakers to pass inspection. He also said they suck and he replaces them with regular ones when they start tripping

Our house was built in 2016 and per county code we have a ton of arc fault breakers. I think we have had three or four already replaced.

If they are EATON breakers they have a red LED that flashes a code of between 1 and 6 blinks. 6 is the code for failing the internal self test, which is what all of the ones we have had replaced have done.

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What would cause 2 different breakers to trip randomly?

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Today the same breaker tripped and at the same time our daughter’s bedroom tripped.

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Have you considered 2 doing it at the same time might not actually be random?

FWIW....Don't know what type of breakers you have but the Eaton CH arc fault / ground fault circuit breakers have a guarantee on them. Went thru this a few months back. They self test and trip if an error is found. If they don't pass the self check, they will not reset. Contacted them and they sent 2 breakers no charge.

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It is a 15 amp arc fault breaker

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Like others have said and just like a GFCI outlet, these can become more sensitive over time and trip randomly. And in my personal experience, I’ve found GFCIs that trip continuously get more sensitive.

In my previous home (2003 build) it had 3 arc fault breakers, one per bedroom. My Dyson vacuum would trip one of them every 2nd or 3rd time I turned it on. And after dealing with that a few times it tripped every time I turned it on. Replaced the original breakers with Siemens arc fault replacements and they worked fine. If I had replaced with a standard breaker I probably wouldn’t have had an issue but just putting new breakers in for those old AFCI breakers solved the issue.

So in summary, I would replace the breakers first. If the problem persists with fresh breakers your problem is more complex.

I built my house 4 years ago. I needed arc fault breakers to pass inspection. THEY SUCK!!!!! They are very sensitive and seemed to trip for no reason. Over the past couple years I have changed out every breaker back to the old breaker. No issues. Gave my brother in law all my arc faults for his new house and inspection.