Toshiba RAS-10SAX, RAS-10SA-E service manual Part Replacement, Indoor Unit RAS-10SK-E, RAS-10SKX

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10. PART REPLACEMENT

10-1. Indoor Unit (RAS-10SK-E, RAS-10SKX)

No.

Part name

 

Procedure

Remarks

Front panel

1) After stopping the operation of the air conditioner, be

 

 

 

sure to turn off the circuit breaker or disconnect the

 

 

 

power plug from the AC wall socket.

 

 

2)

Open the screw caps and remove the two screws

 

 

 

fixing the front panel.

 

 

 

3)

Close the screw caps as they were.

 

 

4)

Open the horizontal louver right below by your

 

 

 

finger.

 

 

 

5)

Open the lower side of front panel until it touches

 

 

 

the horizontal louver, and remove it from the indoor

 

 

 

unit by turning it.

 

 

 

 

<To assemble the front panel>

 

 

 

1)

Fix the two screws to secure the front panel.

 

 

2)

Close the screw caps as they were.

 

 

3)

Press four places where are the center, right end,

 

 

 

left end and lower portions of

the air outlet.

 

 

4)

Check the gap between the front panel and the main

 

 

 

unit.

 

 

 

 

If cooling or drying operation is performed without

 

 

 

pressing the center of the air outlet, the surface of

 

 

 

the front panel may be covered with frost and have

 

 

 

a waterdrop.

 

Electrical part

1) Perform the process above.

 

 

assembly

2) Remove the screw securing the shield metal plate.

 

 

3)

Remove the electrical part cover by pressing the nail

 

 

 

located on upper portion of the electrical part cover.

 

 

4)

Remove the drain guide.

 

 

 

5)

Remove the screw securing to the end plate of the

 

 

 

heat exchanger.

 

 

 

6)

Remove the connector (5p) for the fan motor and

 

 

 

the connector (6p) for the louver motor from the

 

 

 

microcomputer assembly.

 

 

 

7)

After unhooking the electrical part base by pressing

 

 

 

the fixing nail located on its lower portion, draw the

 

 

 

electrical part base out toward you to remove it from

 

 

 

the main unit.

 

 

 

8)

Pull the TC sensor out from the holder of the heat

 

 

 

exchanger.

 

 

 

9)

Dress the connecting cable securely as shown in the

 

 

 

right illustration.

 

 

 

 

(Improper dressing will cause water leakage.)

ƒ Drain-pan

1) Perform the process above.

 

 

assembly

2) Remove the drain-pan by pressing the four hooks

 

 

 

downwards.

 

 

 

 

(Keep it with the drain hose.)

 

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Image 48
Contents R C O Contents Troubleshooting Flowcharts What to be Prechecked FirstPrimary 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 AutoECONO. Mode Low-Temperature Limit Control Cooling OperationCooling 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 Installation PartsOptional 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 DescriptionPrimary Judgement of Trouble Sources Role of Indoor Unit ControllerBlock display Self-diagnosis with remote control Selecting ordinary modeSelf-diagnosis by check codes Operating key Indication after operationCondition Code Status Troubleshooting Flowcharts Power can not be Turned on No Operation at AllPreliminary checks Power can not be Turned on after Replacing Indoor PC Board Checking ProcedureOutdoor 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