If the Error 1 front bumper error for the RoboVac G30 series(G30, G30 Edge, G30 Verge, G30 Hybrid, G32 Pro) G40 series(G40, G40 Hybrid) and G+ series (G35+, G40+, G40 Hybrid +)cannot be improved by general troubleshooting, please note that this issue can usually be solved by replacing the bumper signal bracket. 

However, we currently do not sell this part online as it’s not easy to replace the signal bracket. You can follow the video links below to see if you are able to replace it on your own. 

How to Replace RoboVac's Signal Bracket (for G30/G35/G40 series)

If you can accept to replace the signal bracket, please contact us for a 12-month warranty claim to get this part or for further assistance.