This article contains the Troubleshooting Guide for the WV400 Series Shark® WANDVAC® POWER PET Cordless Hand Vac. This supports the following product SKUs WV401, WV401BL, WV401PK, WV401PL, WV403, WV403BR, WV410, WV410BL, WV410GN, WV410PR and WV410TL.