This article contains the Troubleshooting Guide for the HZ2000 Series Shark® Vertex™ UltraLight™ Corded Stick Vacuum. This supports the following product SKUs HZ2000, HZ2000C, HZ2002, HZ2003C, QS2000BK, QS2000BL, QS2000CP, QS2000GN, QS2000QBK, QS2000QBL, QS2000QCP, QS2000QGN, QS2000QRD, QS2000RD, QS2001QBK, QS2001QBL, QS2001QCP, QS2001QGN, QS2001QRD and QS2003QTL.