Toshiba RAS-10SAX, RAS-10SKX, RAS-10SK-E, RAS-10SA-E service manual R C O

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T O S H I B AF I L E N O . A

S E R V I C E M A N

A I R - C O

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RA S -1R 0A SS K-

RA S -1R 0ASSK-

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Contents R C O Contents What to be Prechecked First Troubleshooting FlowchartsPrimary Judgement of Trouble Sources RAS-10SK-E/10SA-E RAS-10SKX/10SAX Cooling SpecificationsCondition JIS C9612-1994 Temperature Cooling Indoor Unit Construction ViewsRAS-10SA-E RAS-10SAX Outdoor UnitMain P.C. Board Wiring DiagramParts name Type Specifications Specifications of Electrical PartsRAS-10SK-E / RAS-10SA-E RAS-10SKX / RAS-10SAX Refrigerant Cycle DiagramAUTO, COOL, DRY, FAN only MICRO-COMPUTER Block DiagramFAN only Operation Operation DescriptionsCool Operation M3/hLouver Control DRY OperationTemporary Auto Auto OperationLow-Temperature Limit Control Cooling Operation ECONO. ModeCooling Auto Restart Function How to Set the Auto RestartCase of Power Failure during the Timer Operation How to Cancel the Auto RestartSafety Cautions For general public use Installation ProcedureUK Plugs and Sockets etc Safety Regulations SI Number Attach Installation Diagram of Indoor and Outdoor UnitsInstallation Parts InstallationOptional Parts Cutting a Hole and Mounting Installation Plate Installation placeRemote control Mounting the installation plateElectrical Work When the installation plate is directly mounted on the wallHow to remove the front cabinet Wiring ConnectionHow to open the screw cap Taking out the power cordHow to install the front cabinet on the indoor unit Stripping length of connecting cableCase of rightward piping Piping and Drain Hose InstallationCase of downward piping Left-hand connection with pipingDrainage Indoor Unit InstallationStrong wind Vacuum Pumping Refrigerant Piping ConnectionFlaring Tightening connectionA5 mm hexagon wrench is required Packed Valve Handling PrecautionsHow to set the Auto Restart Auto Restart SettingOthers Gas Leak TestPower Supply Voltage Troubleshooting ChartWhat to be Prechecked First Incorrect Cable Connection between Indoor and Outdoor UnitsOperation of air-conditioner Description Misleading but Good Operations Program Controlled OperationRole of Indoor Unit Controller Primary Judgement of Trouble SourcesBlock display Selecting ordinary mode Self-diagnosis with remote controlOperating key Indication after operation Self-diagnosis by check codesCondition Code Status Power can not be Turned on No Operation at All Troubleshooting FlowchartsPreliminary checks Checking Procedure Power can not be Turned on after Replacing Indoor PC BoardOutdoor Unit does not Operate Only Compressor does not Operate Only Outdoor Fan does not Operate Only the Indoor Fan does not Operate Check procedureThere is no beep from Operating precautions How to Check the PC BoardInspection procedures Main PC board partProcedure Check Point Symptom Causes Top View Bottom View PC Board LayoutSensor How to Reduce the Operation Time of the Anti-Restart TimerIndoor Unit RAS-10SK-E, RAS-10SKX Part ReplacementPart name Procedure Remarks Microcomputer RAS-10SK-E, RAS-10SKX Outdoor Unit RAS-10SA-E, RAS-10SAX OFF Part Description Exploded Views and Parts ListIndoor Unit Capillary Tube