I hear that’s a great game. 
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“I talk to the engineers so the customers don’t have to!”
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Thanks for sharing the current insight of the team but I do want to point out that my problem started on Day 12 of me using Yarbo. A few of the other reports were with even less usage. And so even if the left part of the drive system is being used more than the right a premature failure such a short time into operation is also pointing into something else as well. I can’t believe the motors selected would have had such a short planned life and so heavy usage over such a short period of time can’t be the only factor.
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i was running a circular snowblower operation when it died. It was the finish pass so actually on clear dry pavement when she went. Took 2 weeks and i got a replacement. That was a pain and im not sure you can actually keep your map, mine kept failing trying to download, but could have been something i did wrong. Ended up remapping drievway.
I was just starting out and it was going in a straight line off the dock. Made it 6’ and went into a left spin and errored.
If it was one of my planes it would be called a death spiral.
Poor Yarbo. He tried to do as you asked and go clear your snow, but somehow he took a wrong step and broke his leg (wheel) and now he’s incapacitated….
Yep. Poor Jack!!! He’s on bed rest at the moment. He’s sad. He knows there is work to do.
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I hope you are able to receive a replacement soon. Have you received any updates from Yarbo (the company) yet?
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Thank you Yarbo for confirming you will be replacing the core. I am frustrated that it took 9 days to come to that conclusion but am glad it will be replaced (soon’ish I hope) and that I’ll be able to go forward again with the product.
Mine died on day one. ONE.
Once I got the decision that the core would be replaced things moved very quickly. I have today received my replacement core (about 2 days in total … I am happy with that). I will try it out in a few days once I return home from the holidays. Thanks Yarbo. Crossing my fingers…
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Glad to hear you received your replacement so quickly!
Please let us know how things go with the replacement, and if you notice anything different about the new Core versus your previous one.
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Adding my experience with “Left Wheel Blocked (LW001)” — early failure, replacement, and a few tips
Brand-new Yarbo Core (activated on Thanksgiving Day) threw LW001 (Left Wheel Blocked) within the first week. On Dec 4 it stopped mid-mapping; in ~10°F I dragged it ~300 ft back to the garage. No debris in the left track; left track/motor wouldn’t turn by hand while the right side rotated freely by hand. I sent videos to support; they diagnosed a mechanical failure and approved a Core replacement. Shipping/communication delays were rough (right when I needed it most), but the new unit is now working.
Timeline / what happened
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Setup: Core + Snow Blower + Halo RTK. Activated on Thanksgiving Day (Michigan).
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Failure (12/04): App showed LW001. Cleared the track—nothing stuck. Did the lift/spin test:
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Right side: spins by hand (normal)
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Left side: locked solid (wouldn’t budge)
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Diagnosis: Sent short videos; support agreed it was a left motor/gearbox mechanical failure.
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Replacement: Approved a brand-new Core (not refurbished).
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Shipping/return: Delivery lagged; repacking the failed unit was a pain (heavy, base tray tore on unboxing). Spent ~1 hour tape-wrapping to secure it.
After replacement
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New Core installed and mapped.
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GPS/RTK felt weaker during setup than on my first Core (same Halo location/Data Center). I’m working with support to review logs. → They confirmed that all looks fine.
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Brief CM002 “Left Camera Disconnected” alert on startup; it clears and the unit runs. Flagged for firmware/log review. → They said that if this error comes up, please restart the unit.
Tips if LW001 happens to you
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Quick “spin test”: Safely lift each side and try turning the track/sprocket by hand. If one side spins and the other is locked, record 10-sec videos of both and send them—this sped up my diagnosis.
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Send support the bundle: LW001 screenshots, serials, ambient temp, snow/ice conditions, time since last run, firmware versions.
Questions for the community
Given the number of similar reports I’m seeing, is left-side LW001 becoming common? Has Yarbo acknowledged a pattern or issued any guidance beyond unit-by-unit replacements? I’m hoping my replacement Core is fully clear of the issue—curious what others have experienced.
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While I have not had this failure, it appears it happens rather quickly if it’s going to happen. Usually within the first few hours. Just my observations.
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@yjjadara First off, welcome to the community.
Second, wheel lock before you get mapped. I think that’s a first. I’m sure the community will set me straight if I’m remembering wrong.
Glad they sent a new core. I think that is what they do if you are in a 45 day window. After that it will be a refurbished unit.
I”m running a refurbished unit and to be honest, it is better shape than my original core.
Hoping that your second core works wonderfully out of the box.
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Thank you, Ken and Bryan for your reply. I didn’t have many chance to test my new Core, but so far so good.
When I asked the tech staff on the phone if this LW001 error with Left Motor Locked up is frequent or not, Yarbo said no. After all those delayed and mess-up the delivery and return, I googled and realized that this is quite often on Left Motor/Gearbox. It’s hard to believe that this company has been already established in 10 years.
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Moved over studded tracks antenae and battery. About 2 hours work on a pretty cold day.
Restored maps from my old Yarbo from Cloud backup (needed some help from technical support). Workplans didn’t restore so had to create them but at least areas and pathways from restored maps were there so no big deal.
Replacement Yarbo has been sent out a few times in last 24 hours (about 3 hours run time total on the new core) and all working great so far.
Fingers crossed all will be good going forward.
Have to box up the old core yet and arrange return shipping to Yarbo.
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Glad to hear you are back in service.
Well, i dont think they are being very honest. I had the left wheel lock up after about 10 hours of use. Had to go through all the long and very slow steps and processes. Got a new core about 15 days after i opened the ticket. After looking into it, it seems this left wheel lock up is not that Uncommon as I have seen many people with the issue through the support forum and on Reddit. Within 5 minutes of snow blowing on my new core (only about 10 hours on the Snowblower) My belt totally shredded on me, leaving me once again dead in the water. It seems these belts should be a consumable and able to be purchased for cheap. Since they have shear pins, a chain drive seems to be a better way. I see this belt being a real and often inconvenient occurrence in the future
My maps did not transfer as it seems they should of. Ill own that error, but should be more straight forward with the cloud back up.
Since getting this Yarbo, specifically for snow blowing, I have to be honest, my hi hopes for this machine, and the amount of time it takes dealing with techs overseas, I am not impressed at this point. It has been down and non functional the majority of time I have owned it since late November. The majority of the snow also happened to fall while the machine was sitting non operational in my garage. I really hope things go uphill from here and I can get some tested consistency with the machine and its attachments.
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Happened to me. Mine was locked up for 3 days. Somehow it “magically” started working again. My assumption is that water/ice got in the motor and froze, because when temperatures finally reached above 32, it seemed to start working again. But the Yarbo team were connecting to it so they may have done something. They wouldn’t share any testing information with me after I requested it. They simply said there was “Ice in the tracks” even though the video I provided clearly showed the Yarbo on its side with the tracks removed and the axle was locked up. Pretty poor customer service response. I’m sure this will reoccur as Yarbo provided no real answers to the issue.