What is Roomba Charging Error 3? How to Fix The Error?
by Rubaditsha | Updated Apr 19, 2023
What is Roomba Charging Error 3?
Charging Error 3 is a common issue that occurs with the Roomba 520, 891, and I, j series robot vacuums, as well as other models manufactured by iRobot. This problem is usually caused by issues with the charging unit, similar to charging errors 5 and 8. However, other issues like outdated software or low battery power can also trigger it. In this guide, we will provide you with steps to solve this issue.
To fix the charging error 3 issue, you need to understand what it means. When your Roomba vacuum displays "Charging Error 3," it signifies that the charging system is not working correctly. This error can occur if the Roomba cannot establish a connection with the charging dock or if the battery is damaged and needs to be replaced.
Cause of Roomba Charging Error 3
Roomba charging error 3 is a common problem that occurs in various models of iRobot Roomba, including Roomba 520, 891, and I, j series robot vacuums. This error message indicates that the Roomba charging system is not functioning correctly.
One of the primary causes of Roomba charging error 3 is a problem with the charging unit itself. This issue can arise when the Roomba fails to establish a connection with the charging dock. In this case, the Roomba charging contacts and home base connectors might be dirty or dusty, which can prevent proper charging.
Another reason for charging error 3 could be a malfunctioning or damaged power cord. If the charging cable is faulty, the Roomba might not charge correctly, and it may show charging error 3.
Low battery power is also a possible cause of charging error 3 in Roomba vacuums. If the Roomba battery is old, worn out, or has a low charge, it may not charge correctly, leading to charging error 3.
Finally, charging error 3 can occur if the Roomba software is outdated. Outdated software can prevent the Roomba from charging correctly, leading to the error message.
How to Fix Roomba Charging Error 3?
If you are experiencing the "charging error 3" issue with your Roomba, it could be due to several reasons, such as dirty charging ports, damaged charging cords, or a functional glitch. Here is a step-by-step guide on how to fix this problem:
Step 1: Clean the Charging Connectors
One of the reasons for the charging error 3 issue is dirty charging contacts. Therefore, the first step you should take is to clean the charging terminals. Here's how:
- Remove the bottom cover and the four screws.
- Check whether any connections or terminals are broken, and if so, make the necessary repairs.
- Wipe the battery terminals and dock connections with a pink or magic eraser.
- Reattach the bottom cover and reinstall the battery.
- Charge your vacuum for 12 hours and check if the error has been resolved.
Step 2: Check the Charger if it's Damaged
If the first step doesn't work, the charging error 3 issue might be due to a damaged or malfunctioning power cord. Here's how to check if this is the case:
- Closely inspect your charger and power cord for any damage that may be causing an electrical short.
- If you see any damage or defects, try replacing the power cord.
Step 3: Reset Your Roomba
If neither of the above methods works, factory resetting your Roomba might fix the problem. Here's how to do that:
- For 20 seconds, press and hold the "CLEAN," "SPOT CLEAN," and "HOME" buttons.
- Hold them until the White Ring Light spins around the "CLEAN" button.
- Let the button go and wait for some time. The Roomba is now resetting itself, which might take up to 1.5 minutes.
- After a factory reset, you will need to reconfigure your Roomba and remap your house as if it were a brand-new robot.
Step 4: Replace the Motherboard
If none of the above-mentioned methods works, you need to replace your Roomba's motherboard with a new one. You can do it yourself if you have some technical knowledge. Here are the steps:
- Buy a motherboard from Amazon or an iRobot store.
- Follow this video guide to replace the motherboard.
What is Roomba Charging Error 3: FAQs
Roomba Charging Error 3 is a common issue that occurs with various models of iRobot Roomba, including Roomba 520, 891, and I, j series robot vacuums. It signifies that the charging system is not functioning correctly, and it can happen due to issues with the charging unit, low battery power, or outdated software.
The primary cause of Roomba Charging Error 3 is a problem with the charging unit, such as dirty charging contacts or malfunctioning power cords. Low battery power and outdated software can also trigger the error.
To fix Roomba Charging Error 3, you can try cleaning the charging connectors, checking the charger for damage, resetting your Roomba, or replacing the motherboard. First, you should clean the charging terminals using a pink or magic eraser, then check the charger and power cord for any damage or defects. If neither of these methods works, you can try factory resetting your Roomba or replacing the motherboard.