17Water inlet valve and inlet valve rTo prevent blockage to the water supply by ingress of foreignsubstances, clean the water inlet valve and inlet valve regularly.Moving the machineRemove the back cover.Remove the blanking plugs.Tighten the bolts with a spanner.Replace the back cover.Long periods of disusell out the electrical plug and turn o he watermoisture and odors. Let the door open whilenot used.Display CodesCodes CausesErr1 Door is not properly shut. Shut the door properly, and then press the6 minutes.lter and check the drain hosecontact the maintenance personnel.Err3 Temperature sensor not properlyconnected or damaged.Contact the maintenance personnel.Err4 Heater error (Appears at the end of acycle).Contact the maintenance personnel.Err5 Water level not met in 8 minutes.The height of the drain hose is below 80cm.The drain hose is in water.Make sure that tap is turned on, and waterpressure is normal.maintenance personnel.Install drain hose within 80-100 cm ofheight.Make sure the drain hose is not in water.Maintenance