Toshiba RAS-10SKX, RAS-10SAX, RAS-10SK-E, RAS-10SA-E service manual Off

Page 52

11.CAUTIONS ON REPLACEMENT OF PC BOARD ASSEMBLY

1.Set the switch (SW03) provided on the PC board as follows.

ON

1

2

3

4

5

6

 

1

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

ON

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Don?t wind the black lead wire around the current trans. (CT. T02)

Black

White

Blue

Brown

C02

1 2

N L

RY01

 

Indoor

Power

 

terminal

terminal

PC board

block

block

 

RY02

T02

– 52 –

Page 51 Page 53
Image 52
Page 51 Page 53
Contents R C O Contents What to be Prechecked First Troubleshooting FlowchartsPrimary Judgement of Trouble Sources Specifications RAS-10SK-E/10SA-E RAS-10SKX/10SAX CoolingCondition JIS C9612-1994 Temperature Cooling Construction Views Indoor UnitOutdoor Unit RAS-10SA-E RAS-10SAXWiring Diagram Main P.C. BoardSpecifications of Electrical Parts Parts name Type SpecificationsRefrigerant Cycle Diagram RAS-10SK-E / RAS-10SA-E RAS-10SKX / RAS-10SAXMICRO-COMPUTER Block Diagram AUTO, COOL, DRY, FAN onlyOperation Descriptions FAN only OperationCool Operation M3/hDRY Operation Louver ControlAuto Operation Temporary AutoLow-Temperature Limit Control Cooling Operation ECONO. ModeCooling How to Set the Auto Restart Auto Restart FunctionHow to Cancel the Auto Restart Case of Power Failure during the Timer OperationInstallation Procedure Safety Cautions For general public useUK Plugs and Sockets etc Safety Regulations SI Number Installation Diagram of Indoor and Outdoor Units AttachInstallation Parts InstallationOptional Parts Installation place Cutting a Hole and Mounting Installation PlateRemote control Mounting the installation plateWhen the installation plate is directly mounted on the wall Electrical WorkWiring Connection How to remove the front cabinetHow to open the screw cap Taking out the power cordStripping length of connecting cable How to install the front cabinet on the indoor unitPiping and Drain Hose Installation Case of rightward pipingCase of downward piping Left-hand connection with pipingIndoor Unit Installation DrainageStrong wind Refrigerant Piping Connection Vacuum PumpingFlaring Tightening connectionPacked Valve Handling Precautions A5 mm hexagon wrench is requiredAuto Restart Setting How to set the Auto RestartOthers Gas Leak TestTroubleshooting Chart Power Supply VoltageWhat to be Prechecked First Incorrect Cable Connection between Indoor and Outdoor UnitsMisleading but Good Operations Program Controlled Operation Operation of air-conditioner DescriptionRole of Indoor Unit Controller Primary Judgement of Trouble SourcesBlock display Self-diagnosis with remote control Selecting ordinary modeSelf-diagnosis by check codes Operating key Indication after operationCondition 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 Check procedure Only the Indoor Fan does not OperateThere is no beep from How to Check the PC Board Operating precautionsInspection procedures Main PC board partProcedure Check Point Symptom Causes PC Board Layout Top View Bottom ViewHow to Reduce the Operation Time of the Anti-Restart Timer SensorPart Replacement Indoor Unit RAS-10SK-E, RAS-10SKXPart name Procedure Remarks Microcomputer RAS-10SK-E, RAS-10SKX Outdoor Unit RAS-10SA-E, RAS-10SAX OFF Exploded Views and Parts List Part DescriptionIndoor Unit Capillary Tube
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