What does my Ecodan Error Code mean? - L9 or U1 Fault

#MitsubishiElectric #heatingsystem #heatpump #Ecodan #residentialbuilding #wireless #wirelesscontroller #flow #flowsensor #pressure #highpressure In this Video, Mitsubishi Electric's Technical Trainer, Ben Bartle-Ross shows us how to identify and resolve either a L9 or U1 fault on a Mitsubishi Electric Ecodan. The L9 error is related to a flow sensor fault and a U1 error appears when there is a high pressure fault. --- Wireless controller- https://les.mitsubishielectric.co.uk/... Domestic Air Source Heat Pumps- https://les.mitsubishielectric.co.uk/... --- CHAPTERS 01:03 Valves 01:24 Water Pressure 01:33 Air 01:42 Filter 02:47 Flow rate 04:42 Commissioning wizard 05:15 If you are still experiencing faults after following all of these steps then contact the after sales team --- To find out more please visit: https://les.mitsubishielectric.co.uk #MitsubishiElectric #AirConditioning #BuiltEnvironment #CommercialBuildings #AirCon #HeatPump Subscribe to our YouTube channel for more videos: / @mitsubishielectric2 Check out ALL our expert tips, guides and insights on The Hub: https://les.mitsubishielectric.co.uk/... Follow us on Twitter:   / meuk_les   Like us on Facebook:   / mitsubishiel.  . Follow us on Instagram:   / mitsubishie.  . Follow us on LinkedIn:   / mits.  . Mitsubishi Electric is a world-leading supplier of HVAC equipment. Decades of dedicated research enable us to provide you with an advanced range of products, from air conditioning units, to air source heat pumps that offer complete design flexibility to provide the perfect internal environment for every building type.