This article contains the Troubleshooting Guide for the AX910UK / AZ910UK Shark® DuoClean® Powered Lift-Away™. This supports the following product SKUs AX910UK, AX910UKT, AZ910UK, AZ910UKT, AZ912UK, AZ912UKT and AX910UKT1. Please note this also supports the refurbished models AZ910UKREF, AZ910UKTREF and AZ912UKTREFB.