Air Conditioner Edition:2006/1/10Safety InformationGeneral InformationThis Service Manual describes the operation,disassembly,troubleshooting,and repair of Haier Room AirConditioners,etc. It is intended for use by authorized servicers who troubleshoot and repair these units.NOTE:It is assumed that users of this manual are familiar with the use of tools and equipment used totroubleshoot and repair electrical,mechanical,and refrigeration systems;and understand the terminologyused to describe and discuss them.Haier urges you read and follow all safety precautions and warnings contained in this manual. Failureto comply with safety information may result in severe personal injury or death.Related PublicationsThis is a base service manual,covering a range of similar models.It is intended to be used inconjunction with the Parts Manual and Technical Sheet covering specific model being serviced.General Precautions and WarningsWARNINGTo avoid risk of personal injury or death due to electrical shock,disconnect electrical power to unitbefore attempting to service the unit.WARNINGTo avoid risk of personal injury or death due to electrical shock,DO NOT,under any circumstances,alterthe grounding plug .Air conditioner must be grounded at all times.Do not remove warning tag from powercord.If a two-prong (non-grounding) wall receptacle is encountered,contact a qualified electrician andhave the receptacle replaced with a properly grounder wall receptacle in accordance with the NationalElectrical Code.WARNINGTo avoid risk of personal injury or death due to electrical shock,grounding wires and wires colored likegrounding wires are NOT to be used as current carrying conductors.The standard accepted color codingfor ground wires is green or green with a yellow stripe.Electrical components such as the compressorand fan motor are grounded through an individual wire attached to the electrical component and toanother part of the air conditioner.Grounding wires should not to be removed from individual componentswhile servicing,unless the component is to be removed and replaced.It is extremely important to replaceall removed grounding wires before completing service.WARNINGTo avoid risk of heat exposure,which may cause death or severe illness,air conditioner must bemonitored when malfunctions or shuts down.