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.
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Wireless controller- les.mitsubishi...
Domestic Air Source Heat Pumps- les.mitsubishi....
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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
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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.