Haier HSU24VCK Service Manual

Also see for HSU18VCK: Installation manual Service manual

HSU24VCK-SMTrouble shootingNormalPerformanceinspectionNoise is heardPhenomenon Cause or check pointsThe systemimmediately.Smells aregenerated.Mist or steam areMultiplecheckPoor coolingWhen unit is stopped, it won't restartelapsed to protect the system.When the electric plug is pulled outand reinserted, the protection circuitDuring unit operation or at stop,a swishing or gurgling noise may(This noise is generated byrefrigerant flowing in the system.)During unit operation, a crackingnoise may be heard.This noise istemperature changes.Should there be a big noise fromfilter may be too dirty.This is because the systemcirculates smells from the interiorDuring COOL or DRY operation,This is due to the sudden coolingIs power plug inserted?Is there a power failure?Is fuse blownout?Is the air filter dirty?Are there any obstacles beforeIs temperature set correctly?Are there some doors orIs there any direct sunlightthrough the window during theAre there too much heat sourcesor too many people in the roomIn dry mode, fanspeed can’t bechanged.In DRY mode, when room temperaturesetting+2 o C,unit will runregardless of FAN setting.during cooling operation?cooling operation?(Use curtain)windows left open?inlet and outlet?Normally it should be cleanedevery 15 days.intermittently at LOW speedbecomes lower than temp.indoor unit may blow out mist.of indoor air.air such as the smell of furniture,paint, cigarettes.air flow in unit operation, airgenerated by the casing expandingor shrinking because ofbe heard.At first 2-3 minutes afterunit start, this noise is more noticeable.will work for 3 minutes to protect theair conditioner.immediately until 3 minutes haveCautions3.If the fuse of indoor unit on PC board isit with the type of T. 3.15A/ 250V outdoorbroken,change it with the type of T.25A/250VDo not obstruct or cover the ventilationconditoner.Do not put fingersinlet/outlet and swing louver.Do not allow children to play with the air conditionercase should children be allowed to sit on the outdoor unit.The refrigerating circuit is a sealed system.1.Applicable ambient temperature range:SpecificationsThe machine is adaptive in following situationThe power plug and connecting cable acquired the local2. If the power supply cord is damaged, it must be replacedmanufacturer qualified person.4. The wiring method should be in line with the local wiring5. After installation, the power plug should be easily reached.6. The waste battery should be disposed properly.7. The appliance is not intended for usepersons without supervision.8. Young children should be supervisedwith the appliance.9. Please employ the proper power plug,cord.11.In order to protect the units,please turn30 seconds later, cutting off the power.10.CoolingIndoor Maximum:D.B/W.BMaximum:D.B/W.BMinimum:D.B/W.BOutdoor32o C/23o C46.1 o C/23.9 o C19.4 o C/13.9 o Cgrille of the airor any other things into the.In noor its service agent or a similarbroken,please. If the fuse ofstandard.by young children orto ensure that theywhich fit into themust haveoff the A/C first,Before asking for service, check the followingfirst.blown out.does not restartby thechangeunit isinfirmdo not playpower supplyattestation.and at least19.4 o C/11.9 o CMinimum:D.B/W.B( )89.6 oF/73.4 oF( )67 oF/57 oF( )115 oF/75 oF( )67 oF/57 oF28