Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo SPW-T303G56, SPW-T363GS56, SPW-T483G56, SPW-T483GS56 Service Procedures, Service procedures

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

	4. SERVICE PROCEDURES
4-1 Troubleshooting		56
(1)	Check before and after Troubleshooting	56
(2)	Air conditioner does not operate	57
(3)	Outdoor unit does not run	61
(4)	Indoor unit does not run	63
(5)	Some part does not operate	63
(6)	Outdoor fan does not run	64
(7)	Outdoor fan speed is not switched from High to Low even when
	the outdoor temperature falls below 25.5°C	64
(8)	Compressor does not run	64
(9)	Poor cooling	65
(10)	Excessive cooling	66
4-2 A Sensor is Defective		67
4-3 Operation of Major Electrical Parts		67
4-4 Checking the Electrical Components		68
(1)	Measurement of Insulation Resistance	68
(2)	Checking the Protective Devices	69
(3)	Checking the Electrical Parts	70
(4)	Thermistor Characteristic Curve	71

SM830043

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Sanyo SPW-T303G56, SPW-T363GS56, SPW-T483G56, SPW-T483GS56, SPW-C363G8, SPW-T363G56 Service Procedures, Service procedures

Contents

SPLIT SYSTEM AIR CONDITIONER When Installing In Case of Improper InstallationWhen Wiring When TransportingWHO SHOULD USE THIS MANUAL TABLE OF CONTENTS2. PROCESSES AND FUNCTIONS SERVICE PROCEDURES Introduction Read Me First HOW TO USE THIS MANUALSM830043 1. SPECIFICATIONS 1. Specifications 1-1Unit SpecificationsCooling 1. Specifications 1-1Unit SpecificationsCooling 1. Specifications 1-1Unit SpecificationsCooling 1. Specifications 1-1Unit SpecificationsCooling 1. Specifications 1-1Unit SpecificationsCooling 1. Specifications 1-1Unit SpecificationsCooling 1. Specifications 1-2Major Component SpecificationsA Indoor Unit 1. Specifications 1-2Major Component Specifications1. Specifications 1-2Major Component Specifications1. Specifications 1-2Major Component Specifications1. Specifications 1-2Major Component SpecificationsB Outdoor Unit Safety device 1-2Major Component Specifications1. Specifications High pressure switch1. Specifications 1-2Major Component Specifications1. Specifications 1-3Other Component SpecificationsAIndoor Unit 1. Specifications 1-3Other Component Specifications1. Specifications 1-4Dimensional DataA Indoor Unit 25, 30, 36, 48 Type 1. Specifications 1-4Dimensional Data1. Specifications 1-4Dimensional Data1. Specifications 1-5Refrigerant Flow DiagramIndoor Unit SPW-T483GS56 1-5Refrigerant Flow Diagram1. Specifications 1-6Operating Range1. Specifications 2. Processes and functions 2. PROCESSES AND FUNCTIONSChart Summary and Explanations 2-1Room Temperature Control2. Processes and functions 2-3Outdoor Fan Control 2-2Freeze Prevention2. Processes and functions 2. Processes and functions 3. Electrical data 3. ELECTRICAL DATA3. Electrical data Wiring DiagramElectric 3-1Indoor Unit3-1Indoor Unit Schematic Diagram3. Electrical data 3. Electrical data Wiring DiagramElectric 3-1Indoor Unit3-1Indoor Unit Schematic Diagram3. Electrical data 3. Electrical data DiagramElectricWiring 3-1Indoor Unit3-1Indoor Unit Schematic DiagramSymbols Symbols3. Electrical data DiagramElectricWiring 3-1Indoor Unit3-1Indoor Unit Schematic DiagramSymbols Symbols3-2Outdoor Unit Electric Wiring Diagram3. Electrical data 1 SPW-C253G5 Schematic Diagram3-2Outdoor Unit 3. Electrical data2SPW-C303G5 SPW-C303G5/M Electric Wiring Diagram3-2Outdoor Unit 3. Electrical data2 SPW-C303G5 Schematic Diagram3-2Outdoor Unit 3. Electrical data3. Electrical data Electric Wiring Diagram3-2Outdoor Unit FM1 FM23. Electrical data Schematic DiagramSymbols 3-2Outdoor Unit4SPW-C253G8 SPW-C253G8/M Electric Wiring Diagram3-2Outdoor Unit 3. Electrical data3. Electrical data Schematic DiagramSymbols 3-2Outdoor Unit5SPW-C363G8 SPW-C363G8/M Electric Wiring Diagram3-2Outdoor Unit 3. Electrical data5 SPW-C363G8 Schematic Diagram3-2Outdoor Unit 3. Electrical data6SPW-C483G8 SPW-C483G8/M Electric Wiring Diagram3-2Outdoor Unit 3. Electrical data6 SPW-C483G8 Schematic Diagram3-2Outdoor Unit 3. Electrical data3. Electrical data 4. Service procedures 4. SERVICE PROCEDURES2. Check inter-unitwiring 4. Service procedures1 Check before and after Troubleshooting 1. Check power supply wiring1Circuit breaker trips or fuse blows 4. Service proceduresThere is a possibility of ground fault 2Air conditioner does not operateB.Check remote control unit 4. Service proceduresThere is a possibility of short circuit bCompressor motor overcurrent relay 51C 4. Service proceduresaHigh pressure switch 63PH D.Check compressor motor protectorsF.Check indoor fan motor thermal protector 49FMI 4. Service proceduresDisconnect the socket from 9P WHT connector E.Check. auxiliary relay. 1Y or 2Y3Outdoor unit does not run 4. Service proceduresB.Check set temperature aCheck power supply wiringD.Check indoor unit P.C.B 4. Service proceduresbCheck compressor motor thermal protector 49C Only outdoor fan does not run5Some part does not operate 4. Service procedures4Indoor unit does not run Indoor fan and louver motor do not run6Outdoor fan does not run 4. Service procedures8Compressor does not run 9Poor cooling 4. Service proceduresat a place where it can 4. Service proceduresYES The set temperature is too low Is the remote control unit installed4-2A Sensor is Defective 4. Service procedures4-3Operation of Major Electrical Parts 2Indoor Unit 4. Service procedures1Power Supply Wires 4-4Checking the Electrical Components2Checking the Protective Devices 4. Service procedures3Checking the Electrical Parts 4. Service procedures4 Thermistor Characteristic Curve 4. Service procedures5Fuse on indoor P.C.B. Ass’y