This article contains the Troubleshooting Guide for the AX950UK / AZ950UK Shark® DuoClean® Powered Lift-Away™. This supports the following product SKUs AX950UK, AX950UKT, AZ950, AZ950UK and AZ950UKT. Please note this also supports the refurbished models AX950UKREF, AX950UKREFB, AX950UKTREF, AX950UKTREFB and AZ950UKTREF.