Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo SPW-C253G5 Service procedures, Excessive cooling, YES The set temperature is too low

Models: SPW-C303G5 SPW-T253GS56 SPW-T303GS56 SPW-C363G5 SPW-T303G56 SPW-C253G5 SPW-T253G56 SPW-T363G56 SPW-C363G8 SPW-T483GS56 SPW-T483G56 SPW-T363GS56

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4. Service procedures

(10) Excessive cooling.

YES

• The set temperature is too low.

• Is the remote control unit installed	NO
• Is the remote control unit installed
at a place where it can
detect the room temperature
properly ?

Set the temperature to higher value using temperature setting button of the remote control unit.

Change installation position of the remote control unit.

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Page 66

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Sanyo SPW-C253G5 Service procedures, Excessive cooling, YES The set temperature is too low, at a place where it can

Contents

SPLIT SYSTEM AIR CONDITIONER When Transporting In Case of Improper InstallationWhen Wiring When InstallingTABLE OF CONTENTS WHO SHOULD USE THIS MANUAL2. PROCESSES AND FUNCTIONS SERVICE PROCEDURES HOW TO USE THIS MANUAL Introduction Read Me FirstSM830043 1. SPECIFICATIONS 1-1Unit Specifications 1. SpecificationsCooling 1-1Unit Specifications 1. SpecificationsCooling 1-1Unit Specifications 1. SpecificationsCooling 1-1Unit Specifications 1. SpecificationsCooling 1-1Unit Specifications 1. SpecificationsCooling 1-1Unit Specifications 1. SpecificationsCooling 1-2Major Component Specifications 1. SpecificationsA Indoor Unit 1-2Major Component Specifications 1. Specifications1-2Major Component Specifications 1. Specifications1-2Major Component Specifications 1. Specifications1-2Major Component Specifications 1. SpecificationsB Outdoor Unit High pressure switch 1-2Major Component Specifications1. Specifications Safety device1-2Major Component Specifications 1. Specifications1-3Other Component Specifications 1. SpecificationsAIndoor Unit 1-3Other Component Specifications 1. Specifications1-4Dimensional Data 1. SpecificationsA Indoor Unit 25, 30, 36, 48 Type 1-4Dimensional Data 1. Specifications1-4Dimensional Data 1. Specifications1-5Refrigerant Flow Diagram 1. Specifications1-6Operating Range 1-5Refrigerant Flow Diagram1. Specifications Indoor Unit SPW-T483GS561. Specifications 2. PROCESSES AND FUNCTIONS 2. Processes and functions2-1Room Temperature Control Chart Summary and Explanations2. Processes and functions 2-2Freeze Prevention 2-3Outdoor Fan Control2. Processes and functions 2. Processes and functions 3. ELECTRICAL DATA 3. Electrical data3-1Indoor Unit Wiring DiagramElectric 3. Electrical dataSchematic Diagram 3-1Indoor Unit3. Electrical data 3-1Indoor Unit Wiring DiagramElectric 3. Electrical dataSchematic Diagram 3-1Indoor Unit3. Electrical data 3-1Indoor Unit DiagramElectricWiring 3. Electrical dataSymbols Schematic DiagramSymbols 3-1Indoor Unit3-1Indoor Unit DiagramElectricWiring 3. Electrical dataSymbols Schematic DiagramSymbols 3-1Indoor UnitElectric Wiring Diagram 3-2Outdoor Unit3. Electrical data 3. Electrical data Schematic Diagram3-2Outdoor Unit 1 SPW-C253G53. Electrical data Electric Wiring Diagram3-2Outdoor Unit 2SPW-C303G5 SPW-C303G5/M3. Electrical data Schematic Diagram3-2Outdoor Unit 2 SPW-C303G5FM1 FM2 Electric Wiring Diagram3-2Outdoor Unit 3. Electrical data3-2Outdoor Unit Schematic DiagramSymbols 3. Electrical data3. Electrical data Electric Wiring Diagram3-2Outdoor Unit 4SPW-C253G8 SPW-C253G8/M3-2Outdoor Unit Schematic DiagramSymbols 3. Electrical data3. Electrical data Electric Wiring Diagram3-2Outdoor Unit 5SPW-C363G8 SPW-C363G8/M3. Electrical data Schematic Diagram3-2Outdoor Unit 5 SPW-C363G83. Electrical data Electric Wiring Diagram3-2Outdoor Unit 6SPW-C483G8 SPW-C483G8/M3. Electrical data Schematic Diagram3-2Outdoor Unit 6 SPW-C483G83. Electrical data 4. SERVICE PROCEDURES 4. Service procedures1. Check power supply wiring 4. Service procedures1 Check before and after Troubleshooting 2. Check inter-unitwiring2Air conditioner does not operate 4. Service proceduresThere is a possibility of ground fault 1Circuit breaker trips or fuse blows4. Service procedures B.Check remote control unitThere is a possibility of short circuit D.Check compressor motor protectors 4. Service proceduresaHigh pressure switch 63PH bCompressor motor overcurrent relay 51CE.Check. auxiliary relay. 1Y or 2Y 4. Service proceduresDisconnect the socket from 9P WHT connector F.Check indoor fan motor thermal protector 49FMIaCheck power supply wiring 4. Service proceduresB.Check set temperature 3Outdoor unit does not runOnly outdoor fan does not run 4. Service proceduresbCheck compressor motor thermal protector 49C D.Check indoor unit P.C.BIndoor fan and louver motor do not run 4. Service procedures4Indoor unit does not run 5Some part does not operate4. Service procedures 6Outdoor fan does not run8Compressor does not run 4. Service procedures 9Poor coolingIs the remote control unit installed 4. Service proceduresYES The set temperature is too low at a place where it can4. Service procedures 4-2A Sensor is Defective4-3Operation of Major Electrical Parts 4-4Checking the Electrical Components 4. Service procedures1Power Supply Wires 2Indoor Unit4. Service procedures 2Checking the Protective Devices4. Service procedures 3Checking the Electrical Parts4. Service procedures 4 Thermistor Characteristic Curve5Fuse on indoor P.C.B. Ass’y

(10) Excessive cooling.

YES

• Is the remote control unit installed

at a place where it can

detect the room temperature

properly ?

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