Haier HSU-07HEA03/R2 Operation Manual

Also see for H2SM-(9+12)HEA03/R2: Installation manual Operation manual Operation manual Operation manual

Contents

Haier HSU-07HEA03/R2 Operation Manual Manual pdf 9 page image

7.1Codes and Description HSU-18HEA03/R27.1.1Problem Symptoms and MeasuresSymptom Check Item Details of Measure ReferencepageCheck the power supply. Check to make sure that the rated voltage issupplied. ----None of theunits operates Check the indoor PCB Check to make sure that the indoor PCB isbroken --------Equipmentoperates butdoes not cool,or does notheat (only forheat pump)Diagnosis by serviceport pressure andoperating current. Check for insufficient gas.----Largeoperatingnoise andvibrationsCheck the installationcondition.Check to make sure that the required spacesfor installation (specified in the Technical Guide,etc.) are provided. ----7.1.2 Error Codes and Description indoor displayCode indicationindoorDescription ReferencePageE1 Room temperature sensor failure ----E2 Heat-exchange sensor failure ----E4 Indoor EEPROM error ----Indoor MalfunctionE14 Indoor fan motor malfunction ----The code indication that is listed above is the main faultTroubleshootingCautionBe sure to turn off power switch before connect or disconnect connector, or else parts damage may beoccurred.E1: Room temperature sensor failure CN6E2: Heat-exchange sensor failure CN6HSU-18,22HEA03/R2 Service Diagnosis63Domestic Air Conditioner7.Codes and Description