How To Fix Roomba Error 43? Vacuum Guide

Alex Ortiz
By Alex Ortiz 13 Min Read
13 Min Read
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Hey there! Ran into the infamous Error 43 on your Roomba? It’s a downer, right? But hey, let’s not stress. I’m here to help you out. Let’s get that little robot of yours back in action. Here’s a simple, easy-to-follow guide:

First things first, let’s make sure all those cables and plugs are snug and secure. Sometimes, a little wiggle or a loose cord is all it takes to give us a mini heart attack. Ensure everything’s connected. If it looks good but you’re still having issues, try this: press and hold the power button for about 10 seconds. It’s like giving your Roomba a quick nap!

Next up, let’s make sure your Roomba’s brain (also known as firmware) is all up-to-date. Think of it as a quick health check-up for your Roomba. You can use the Roomba app or hop onto your computer to get this done. Updating can iron out any little bugs that might be causing this annoying error.

๐Ÿšซ๐Ÿšง Lastly, let’s make sure your Roomba’s got a clear path. Place it on a flat, obstacle-free surface. Sometimes, even a tiny bump or a toy left on the ground can make it go all wonky and throw that Error 43.

Understanding Roomba Error 43

Noticed that pesky Error 43 on your Roomba? No worries. Let’s break it down step-by-step to get your little cleaning buddy back in action.

1. Clear the Path! ๐Ÿ›‹๏ธ๐Ÿšซ First thing’s first. Have a quick look around and see if there’s anything in Roomba’s way. Maybe a chair leg? A sneaky toy? Or perhaps that charging cable you’ve been looking for? Whatever it is, let’s move it out of the way. Your Roomba loves a clear floor to dance around on!

2. Sensor Spa Day ๐Ÿงฝโœจ Next, let’s give those sensors some love. They can be a bit sensitive to dust and the random fuzzies. Grab a soft cloth or even a gentle brush and gently clean them up. Think of it as giving your Roomba a mini spa day!

3. Wheel Check ๐Ÿ”„ Now, onto the wheels. A quick check can make a huge difference. You’d be surprised by how much hair and other stuff can get wrapped around them. Give them a good look and clear away any party crashers. Smooth wheels mean a smooth ride for your Roomba!

4. A Little Restart Magic! ๐Ÿ”„โœจ Lastly, if all else fails, let’s give your Roomba a quick reboot. Turn it off, gently disconnect the battery (if you can), and then just chill for a few minutes. It’s like letting your Roomba take a deep breath. Then, reconnect everything, and see if that did the trick!

Troubleshooting Steps for Roomba Error 43

Seeing that annoying Error 43 pop up? I’ve got your back. Let’s dive into these easy steps to get your Roomba zipping around again. ๐ŸŒ€

1. Give It a Quick Break! โธ๏ธ

Just like sometimes we need a quick nap, your Roomba might too! Turn it off, count to ten (or hum your favorite tune), then power it back up. A quick restart can work wonders.

2. Spa Day for the Cliff Sensors! ๐Ÿ›

You know those cliff sensors on your Roomba? They can get all dusty and dirty, and that might make your Roomba think it’s about to take a dive. Grab a soft cloth and give them a gentle wipe. Imagine giving your Roomba a little facial!

3. The Mighty Reset! ๐Ÿ”ƒ

Remember the good ol’ ‘Ctrl+Alt+Delete’ for computers? Well, pressing and holding the Clean button for 10 seconds till you hear a beep is kind of the Roomba version of it! It’s like telling your Roomba, “Hey, snap out of it and get back to work!”

4. Roadblock Check! ๐Ÿšง

Now, let’s play detective. Look around for anything that might be blocking your Roomba’s way. Loose wires, that sneaky sock, or even little toys. Clear the path and let your Roomba roam free.

Resetting the Roomba

Roomba enthusiast! Is your little robotic friend acting up? Sometimes all it needs is a quick reset to get its groove back. Let’s break down how to give your Roomba that fresh start it might need.

The Great Roomba Reset: Step-by-Step

1. Power It Down ๐Ÿ“ด Start by pressing and holding the Clean button till your Roomba goes quiet. It’s like asking it to take a deep breath.

2. Unplug from Home Base ๐Ÿ”Œ No more juice for now! Disconnect it from the home base or any charging cable it’s attached to.

3. Flip It Over! ๐Ÿ”„ Gently turn your Roomba upside down so its wheels are looking up at you. It’s kind of like it’s lying down on a beach, looking up at the clouds.

4. Battery Breakout ๐Ÿšซ๐Ÿ”‹ Spot the battery release tab? Push it in and gently take out the battery. Think of it as letting your Roomba take a power nap.

5. Pause… โณ Wait for about 10 seconds. A good moment to stretch, take a sip of your drink, or just enjoy the silence.

6. Battery’s Back! ๐Ÿ”‹ Slide that battery back in, ensuring it fits perfectly like a puzzle piece.

Some Extra Care and Love ๐Ÿ’™ While we’re here, let’s show some TLC to our Roomba:

  • Clean Sweep: Brush off any dirt from its brushes and wheels. Your Roomba will thank you with better cleaning action.
  • Dustbin Duty: Don’t forget to empty out the dustbin. A lighter Roomba is a happier Roomba!

Cleaning the Sensors

Wanna keep your little robot running smooth and smart? It’s all about those sensors! Here’s a fun and easy guide to keeping them clean and clear:

1. Cliff Sensors Need Love, Too! ๐Ÿ’™ Let’s start from the bottom. Grab a soft, lint-free cloth and gently wipe those Cliff Sensors under your Roomba. Remember, no water or harsh cleaners – we’re treating the Roomba like the delicate tech gem it is!

2. Power Up with Clean Charging Contacts! ๐Ÿ”Œ Unplug your Roomba from its home base and give a quick clean to those Charging Contacts. Yep, that’s both on your Roomba and its Home Base. It’s like giving it a mini recharge!

3. Clear the Way for Docking Sensors! ๐Ÿš€ Look near the back cover of your Roomba. See any hair or pesky debris in the way of those Docking Sensors? Brush it off or use some compressed air. Let’s keep the landing zone clear!

4. Bumper Sensors: Clean and Clear! ๐Ÿงฝ Now, give some attention to those Bumper Sensors. A damp cloth should do the trick. If you see any stubborn grime, that’s your target!

5. Don’t Forget the Optical Sensors! ๐Ÿ‘€ On either side of your Roomba’s body, you’ll find the Optical Sensors. These are its eyes for detecting obstacles. Gently wipe them down with a dry, lint-free cloth. Let’s keep its vision 20/20!

Checking the Battery

Sometimes our little robot friend can act a bit off, and it could be due to battery issues. But don’t sweat it; here’s a quick guide to see if the battery’s playing tricks:

1. Find the Battery Home! ๐Ÿ  Flip your Roomba and you’ll spot its battery compartment right on the bottom. Easy-peasy!

2. Peek Inside! ๐Ÿ‘€ Gently remove the cover. What we’re looking for here is any signs of damage or those crusty bits that suggest corrosion.

3. Quick Battery Break! โŒ› If everything looks okay, let’s give the battery a mini-vacation. Disconnect it for a few seconds and then plug it right back in.

4. Fully Charged and Still Glitchy? ๐Ÿ”Œ Sometimes, even if the battery’s full to the brim, it might act up due to some internal hiccups. Annoying, right?

5. Still Getting That Error 43? ๐Ÿ“ž If you’ve danced through all these steps and Mr. Roomba is still not feeling it, it’s time to call in the cavalry. Reach out to customer support; they’ll have your back.

Additional Tips for Roomba Maintenance

Want to make sure your little cleaning companion stays in tip-top shape? Regular maintenance is the secret sauce. Dive into these tips to keep your Roomba running like it’s fresh out of the box!

1. Brush Love ๐Ÿ’™ Regularly give a good clean to the main brush and side brush. And don’t forget about that filter! This helps avoid those pesky clogs that slow our robotic pal down.

2. Wheel Watch ๐Ÿ”„ Give those wheels a good look every now and then. If they look tired or grubby, it’s time for a clean or even a replacement.

3. Contact Checkup ๐Ÿ“Œ Spot those little contacts on your Roomba? Make sure they’re free from any dirt or grime. A quick wipe can make all the difference.

4. Dustbin Duty ๐Ÿšฎ Empty out that dustbin after every cleaning mission. Your Roomba will thank you with even better cleaning next time.

5. Clear the Dance Floor ๐Ÿ•บ Before sending your Roomba on its cleaning adventure, clear out any obstacles or clutter. It loves a spacious dance floor!

6. Software Spruce-Up ๐Ÿ“ฒ Using the iRobot Home app, keep your Roomba’s software updated. It’s like giving it new dance moves to show off!


Got that Roomba Error 43? No sweat! With a quick sensor wipe-down and a check on those wheels and brushes, you’re golden.

Remember the essentials: give that filter some regular cleaning love and ensure those charging buddies are dust-free. And if you’re still scratching your head despite these tricks? That’s what customer support is for.

Here’s the thing: a little TLC goes a long way in ensuring your Roomba’s health and longevity. So, treat it right and you’ll be rewarded with spotless floors for days!

Golden Nugget: If you find your Roomba playing up every now and then, make a little error diary. Jot down error codes and what you did to troubleshoot. It’s a game-changer when reaching out for expert advice or chatting with customer support.

Happy cleaning, and may your Roomba always dance gracefully across your floors! ๐Ÿ’ƒ๐Ÿค–

Frequently Asked Questions

What does Roomba Error 43 mean?

Roomba Error 43 indicates a sensor-related issue where the robot vacuum is unable to detect obstacles or navigate properly.

How can I fix Roomba Error 43?

To fix Roomba Error 43, try rebooting the robot by pressing and holding the CLEAN button for 10 seconds or until you hear a tone. If the error persists, clean the cliff sensors and surrounding areas to ensure they are clear of dust and debris.

Can a dirty bin cause Roomba Error 43?

Yes, a dirty bin can sometimes cause Roomba Error 43 as it may interfere with the proper functioning of the vacuum's sensors. Ensure the bin is clean and free from any obstructions.

What if cleaning the sensors doesn't resolve the error?

If cleaning the sensors doesn't resolve Roomba Error 43, try resetting the robot by removing the battery, waiting for a few minutes, and then reinserting it. If the error still persists, contact Roomba's customer support for further assistance.

Are there any other troubleshooting steps to try?

Yes, you can also try updating the Roomba's firmware to the latest version, as software glitches can sometimes cause sensor errors. Additionally, recalibrating the robot's sensors through the mobile app or through manual instructions provided by Roomba can also be attempted.

How can I prevent Roomba Error 43 in the future?

To prevent Roomba Error 43, regularly clean and maintain the vacuum's sensors, especially the cliff sensors, and ensure the bin is emptied and free from dirt or debris. Following the manufacturer's guidelines for maintenance and avoiding extreme environmental conditions can help minimize sensor-related errors.

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