This article contains the Troubleshooting Guide for the HV300 Series Shark® Rocket® Corded Stick Vacuum. This supports the following product SKUs: HV300, HV300C, HV300W, HV300WC, HV301, HV301C, HV301CBK, HV301HX, HV301PL, HV301Q, HV302, HV302Q, HV303, HV305, HV306Q, HV307QBK, HV307QHX, HV307QPK, HV307QPR, HV307QW, HV308Q, HV310, CS100, CS110, CS110BK, CS111GN, QS301QBK, QS301QHB, QS301QIB, QS301QPK, QS301QPR, QS302QBK, QS302QBL, QS302QGN, QS302QPK, QS302QPL, UV450, HV200, CS110BLC and UV450CCO.