It’s possible it was a catalyst. However Yarbo has a phenomenal warranty and they will take care of it for you. Get a ticket open and they’ll get you a new core and mower module.
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Don’t worry 
I’ve already fired off a ticket and attached photo evidence. Yarbo’s customer service has always been brilliant, and I adore my Yarbo. It’s like that quirky friend who occasionally sets something on fire, but you still wouldn’t trade them for the world. 
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Well that’s new….
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@missdolliedarko Hi there,
I’m really sorry for the inconvenience caused by this issue. I’ve contacted our support team to prioritize your case, and they’ll be reaching out to you as soon as possible.
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The core module catching fire is very concerning with the battery on board and the risk of starting a grass fire. How many of these incidents have happened? Makes me very nervous to use this on a large acre property where it’s cutting on its own.
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Yarbo support and customer service has been excellent, with a very fast response, I’ve already received confirmation that a replacement is being arranged. 
The incident itself was surprising, but I managed to keep it under control. I was a bit worried with the idea of dying, I unplugged the battery as smoke and fire began to break out, doing my best to keep it from escalating. My grass being dry and crispy, it could have turned into something much worse, but thankfully it didn’t ignite which saved me from having to explain to the fire department why my lawnmower tried to barbecue the paddock.
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Wow, that’s insane! I really hope there haven’t been any other examples of this in the wild. I’ve only used mine for the snow & leaf blower modules so far. My Mower Pro is expected to arrive tomorrow. I really don’t want it to end up being a grass fire.How quickly did that happen and did you have any earning signs beforehand? What did you do to contain it?
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With the new blades on the Pro, I would not leave it unattended on a larger field, mid summer. The big blades hitting a rock could spark a fire. I’ve seen it on big mowers. I don’t think any reported fires have started from the razor blades…
Tim
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My Yarbo was halfway across our far paddock when it suddenly stopped dead. Weird, I thought. So I wandered over and discovered it had turned off so I pressed the power button and that’s when the fireworks show began. There was a crackle, sparks, a big poof of smoke, and then flames. Everywhere. I ripped off the battery cover, yanked the battery connector off, and started stomping flames like a madwoman. Then I sprinted for my husband in case I needed him to dig up dirt to smother the fire but there was no additional fire, I’d already contained it. I really didn’t want to call the fire brigade and have to explain that my lawnmower tried to barbecue the neighborhood. Together we lifted our poor, smoldering Yarbo into our Gorilla cart, wheeled it home, and contacted Yarbo support. There had been zero warning signs. My Yarbo has been a tough workhorse, rain or shine, it never skipped a beat. Despite its little attempt at spontaneous combustion, it’s been absolutely amazing and I wouldn’t trade it for anything.
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Oh wow. Sorry to hear about your toasty Yarbo. RIP.
Hopefully it will be replaced soon under warranty.
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The replacement showed up so fast it felt like my Yarbo just did a quick costume change. 
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That’s good to hear. Back up and running hopefully!
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Glad you are back up and running (hopefully) and in short order it.
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This is the second fire incident posted here in this forum. Yarbo needs to address this issue formally on is it safe to use this device.
I am sure there is some US regulatory body that will need to approve this product. Has Yarbo informed them about these critical safety incidents
It needs to be reported to the U.S. Consumer Product Safety Commission (CPSC) immediately.
Hi @royjacob,
Thank you for raising this concern — safety is always our top priority.
The incident you’re referring to has been investigated, and based on our preliminary analysis, it was an isolated case likely caused by a rare internal component fault. The affected unit was immediately replaced after rigorous testing to ensure no similar risk. Each incident will be investigated further in detail to determine the root cause. If our findings meet any regulatory reporting thresholds, we will follow the required steps with the appropriate authorities
Please rest assured that such occurrences are extremely uncommon. Every Yarbo unit undergoes multiple safety and waterproofing tests before shipment, and our quality control processes meet international safety standards.
We truly appreciate users bringing up concerns like this — it helps us stay transparent and continue improving product safety for everyone.
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Thank you for addressing this critical issue.
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Totally feel you country yards with trees are a completely different game compared to clean suburban lawns Those constant twigs, seed pods and small sticks don’t just slow the mower down, they jam the spindle shafts and you end up babysitting the machine instead of letting it work. I’d honestly trade some runtime for durability any day. A heavier-gauge or reinforced blade option, even a rough-terrain mode, would make a big difference. Most of us out here don’t care about a golf-course finish we just need blades that can keep cutting without stopping every few minutes. The kind of strength and precision you get from proper custom metal stamping would actually fit perfectly here, where parts are designed to resist bending and wear under repeated impact. Right now the mower handles grass well, but natural debris is the real test for rural properties. If there was a tougher blade upgrade available, I’d definitely buy it even if it reduced battery efficiency. Anyone else with wooded yards fighting the same battle.
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