This article contains the RV2800ZE / RV2800YE Series Shark® POWERDETECT™ NeverTouch Base Robot Vacuum Troubleshooting Guide. This supports the following models: RV2800ZE, RV2820ZE, RV2820ZEUS, RV2820ZECA, RV2800YE, RV2820YE, RV2820YEUS, RV2820YECA, UR2850ZE and UR2850ZEUS.