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Toshiba RAS-10SKX Troubleshooting Chart, Troubleshooting Procedures, What to be Prechecked First

Models: RAS-10SA-E RAS-10SK-E RAS-10SAX RAS-10SKX

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9. TROUBLESHOOTING CHART

9. TROUBLESHOOTING CHART

TROUBLESHOOTING PROCEDURES :

•Following details of “What to be pre-checked first”, make sure of the basic items.

•When there is no trouble corresponding to above, check in detail the faulty parts following “How to judge faulty parts by symptoms” later.

9-1. What to be Prechecked First

9-1-1. Power Supply Voltage

The line voltage must be AC 220/230/240V. If the line voltage is not within this range, this air conditioner may not work normally.

9-1-2. Incorrect Cable Connection between Indoor and Outdoor Units

The indoor unit is connected to the outdoor unit with 3 cables. Make certain that the indoor and outdoor units have been connected properly, with terminals assigned the same numbers wired to each other. If the connec- tors are not connected as specified, the outdoor unit will not operate normally.

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Toshiba RAS-10SKX Troubleshooting Chart, Troubleshooting Procedures, What to be Prechecked First, Power Supply Voltage

Contents

T O S H I B AF I L E N O . A A I R - C ORA S -1R0A SS K RA S -1R0ASSK S P L I T WCONTENTS 9. TROUBLESHOOTING CHART 10. PART REPLACEMENT11. CAUTIONS ON REPLACEMENT OF PC BOARD ASSEMBLY 12. EXPLODED VIEWS AND PARTS LISTSPECIFICATIONS Temperature Note *1Condition JIS C9612-1994CONSTRUCTION VIEWS ÄÄÄÄÄÄ¿@¿@@¿¿@@¿¿RAS-10SK-E RAS-10SKXRAS-10SAX 2-2.Outdoor UnitRAS-10SA-E 3. WIRING DIAGRAM 4. SPECIFICATIONS OF ELECTRICAL PARTS 4-1.Indoor Unit4-2.Outdoor Unit RAS-10SK-E RAS-10SKX5. REFRIGERANT CYCLE DIAGRAM RAS-10SK-E / RAS-10SA-E RAS-10SKX / RAS-10SAX6. MICRO-COMPUTERBLOCK DIAGRAM 7. OPERATION DESCRIPTIONS Fig. 7-1-1Auto setting of air volumeTable 7-1-1Manual setting of FAN SPEED HIGH Air volume7-3.DRY Operation 7-2-1.Louver Control7-4.AUTO Operation 7-4-1.Temporary Auto7-5.ECONO. Mode 7-5-1.Cooling7-7-1.How to Set the Auto Restart OPERATIONMOTION OPERATION7-7-2.How to Cancel the Auto Restart OPERATIONMOTION OPERATION8. INSTALLATION PROCEDURE DANGERUK Plugs and Sockets etc Safety Regulations SI Numbermore backmore Attach8-3-2.Installation Parts 8-3-1.Optional PartsPart Parts nametInstallation place Remote controlMounting the installation plate <Cutting a hole>8-4-2.Electrical Work 8-4-3.Wiring Connection How to remove the front cabinetFig. How to open the screw cap Taking out the power cordHow to connect the connecting cable Stripping length of connecting cable8-4-4.Piping and Drain Hose Installation In case of rightward pipingFig. In case of downward piping Fig. Left-handconnection with pipingFig. 8-4-5.Indoor Unit Installation8-4-6.Drainage tInstallation place 8-5.Outdoor Unit8-5-1.Refrigerant Piping Connection 8-5-2.Vacuum PumpingFlaring Fig. Tightening connection8-5-3.Wiring Connection Packed Valve Handling PrecautionsStripping length of connecting cable A5 mm hexagon wrench is requiredInformation 8-6-3.Auto Restart SettingHow to set the Auto Restart 8-6-1.Gas Leak Test9. TROUBLESHOOTING CHART TROUBLESHOOTING PROCEDURES9-1-1.Power Supply Voltage 9-1.What to be Prechecked FirstOperation of air-conditioner DescriptionSymptom 9-2-1.Role of Indoor Unit ControllerBlock display Block display2Self-diagnosiswith remote control How to select remote control operation mode1Selecting service mode Cautions when doing servicePage Page 9-3.Troubleshooting Flowcharts Preliminary checksChecking Procedure 9-3-3.Outdoor Unit does not Operate9-3-4.Only Compressor does not Operate 9-3-5.Only Outdoor Fan does not Operate Check procedure 9-3-6.Only the Indoor Fan does not OperatePage 9-4-1.How to Check the PC Board 1Operating precautions2Inspection procedures a.Main PC board part3 Checking procedure Table 9-4-2.PC Board Layout Top View Bottom ViewTemperature Sensor10. PART REPLACEMENT 10-1.Indoor Unit RAS-10SK-E, RAS-10SKXPage 10-2.Microcomputer RAS-10SK-E, RAS-10SKX 10-3.Outdoor Unit RAS-10SA-E, RAS-10SAX 11.CAUTIONS ON REPLACEMENT OF PC BOARD ASSEMBLY 12. EXPLODED VIEWS AND PARTS LIST PartDescription PartIndoor Unit 12-2.Outdoor Unit