This article contains the Troubleshooting Guide for the LZ600 Series Shark® APEX® UpLight™. This supports the following product SKUs LZ600, LZ600W, LZ601, LZ601C, LZ602, LZ602C, LZ602W, QU601QBK, QU601QBL, QU601QPR, QU602QBK, QU602QBL, QU602QBX, QU602QML, QU602QPK, QU602QPL, QU603QBK, QU603QBL, QU603QPK, and QU603QRW.