Sometimes problems occur due to common reasons that are simple to rectify. This quick guide will cover the most common basic steps to ascertain what issue is to be addressed and to help identify where the problem exists. Looking for a quote?Call us: 1300 609 994Email: sales@ges.com.auQuote Requests:Residential VentilationCommercial VentilationSub Floor VentilationFind a dealer near you!Commercial ventilationSolar Light WhizS.A.M.Global Eco & Environmental Solutions