Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAS-M10EKCVP-E, RAS-M13EKCVP-E Judgment of Trouble by Every Symptom, 85, <Primary check>

Models: RAS-B10EKVP-E RAS-M14EAV-E RAS-B13EKVP-E RAS-M18EAV-E RAS-M10EKCVP-E RAS-M16EKCVP-E RAS-M14EACV-E RAS-M18EACV-E RAS-M13EKCVP-E

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Page 85

11-5. Judgment of Trouble by Every Symptom

11-5. Judgment of Trouble by Every Symptom

11-5-1. Indoor Unit (Including Remote Controller)

(1) Power is not turned on (Does not operate entirely)

<Primary check>

1.	Is the supply voltage normal?
2.	Is the normal voltage provided to the outdoor unit?			Operation
2.	Is the normal voltage provided to the outdoor unit?
3.	Is the crossover cable connected properly?			Check Item
4.	Is the fuse (F01) blown?			Considerable principle cause
				Considerable principle cause
	Turn off power supply once, and			Measures
	5 second later, turn it on again.			Measures
	5 second later, turn it on again.
	NO			Item by symptoms
				Item by symptoms
	Is OPERATION indicator flashing?
	YES
	Is it possible to turn on	NO	Does transmission mark	NO
	power supply by pushing	NO	on remote controller flash	NO
	power supply by pushing		on remote controller flash	Remote controller is defective.
	[START/STOP] button		normally,and is its signal	Remote controller is defective.
	[START/STOP] button		normally,and is its signal
	on remote controller?		transmitted properly?

YES

YES

Refer to (5) “Troubleshooting

Unit operates normally.

for remote controller”.

Does fan

Is fuse (F01)

YES

YES

Parts (R04, R05, DB01, C01,

motor connector

of indoor control

board blown?

C03, IC01 and T01) are defective.

between CN10 1 –

3 short-circuit?

NO

NO

NO

Is voltage

YES

(DC12V or 5V)

indicated on rear of

Microcomputer

Replace main

indoor control

is defective.

P.C. board

board normal?

Is DC310–340V

NO

supplied between

Parts of a power supply circuit

CN10 1 – 3 ?

defective.

YES

Replace fan

motor.

•Be sure to disconnect the motor connector CN10 after shut off the power supply, or it will be a cause of damage of the motor.

(2) Power is not turned on though Indoor P.C. board is replaced

<Confirmation procedure>

Turn on power supply.

			NO	Is wired correctly to white and black		NO
	Does OPERATION indicator flash?		NO			NO

				lead wires of terminal block?
				lead wires of terminal block?
		YES			YES

Correct wiring.

To item of “Power supply is not turned on”.

– 85 –

Image 85

Toshiba RAS-M10EKCVP-E Judgment of Trouble by Every Symptom, Indoor Unit Including Remote Controller, 85, <Primary check>

Contents

SPLIT TYPE AIR-CONDITIONERFILE NO. A04-015 CONTENTS For general public use 1. SAFETY PRECAUTIONSDANGER – 4 – For ReferenceTable of models that can be connected 2. SPECIFICATIONSTable of models that can be used in combination – 5 –– 6 – Page Cooling Indoor: DB/WB=27/19C Outdoor: DB=35C – 8 –Heating Indoor: DB=20C Outdoor: DB/WB=7/6C <Cooling> RAS-M18EAV-E , RAS-M18EACV-E – 9 –<Heating>RAS-M18EAV-E – 10 – 2-2-1.Operation Characteristic Curve<Cooling> RAS-M14EAV-E, RAS-M14EACV-E RAS-M14EAV-E, RAS-M14EACV-E <Cooling>– 11 – 2-2-3.Operation Characteristic Curve<Cooling> RAS-M18EAV-E, RAS-M18EACV-E RAS-M18EAV-E, RAS-M18EACV-E3-2.Refrigerant Piping Installation 3-1.Safety During Installation/Servicing3. REFRIGERANT R410A 3-2-1.Piping Materials and Joints Used– 13 – 3-2-2.Processing of Piping Materials– 14 – – 15 – 3-3-1.Required Tools 3-3.ToolsGeneral tools Conventional tools can be used – 16 –– 17 – 3-4.Recharging of Refrigerant3-5-1.Materials for Brazing 3-5.Brazing of Pipes3-5-2.Flux – 18 –Never use gas other than Nitrogen gas 3-5-3.Brazing– 19 – 4-1.Indoor Unit 4. CONSTRUCTION VIEWS– 20 – RAS-B10EKVP-E RAS-B13EKVP-E RAS-B16EKVP-E– 21 – 4-2.Outdoor Unit5-1.Indoor Unit 5. WIRING DIAGRAMT3.15A – 22 –– 23 – 5-2.Outdoor Unit– 24 – SpecificationsRAS-B16EKVP-E, RAS-B13EKVP-E, RAS-B10EKVP-E RAS-M16EKCVP-E, RAS-M13EKCVP-E, RAS-M10EKCVP-E– 25 – 6-2.Outdoor UnitParts name Model name7-1.Refrigerant Cycle Diagram 7. REFRIGERANT CYCLE DIAGRAM– 26 – RAS-B13EKVP-E, RAS-B10EKVP-E RAS-M14EAV-ERAS-M13EKCVP-E, RAS-M10EKCVP-ERAS- M14EACV-E Page – 29 – – 30 – 7-2.Operation DataREMOTE CONTROLLER 8. CONTROL BLOCK DIAGRAM8-1.Indoor Unit – 31 –RAS-M10EKCVP-E, RAS-M13EKCVP-E, RAS-M16EKCVP-E REMOTE CONTROLLER– 33 – CONTROL BLOK DIAGRAM Outdoor unitM.C.U M.C.U9-1.Outline of Air Conditioner Control 9. OPERATION DESCRIPTION– 34 – 9-2.Operation Description ContentsPage Page – 37 – Ts + – 38 –Ts – Fan only operation Cooling-onlymodel– 39 – SymbolsItem Operation flow and applicable data, etcOperation flow and applicable data, etc – 40 –Description <In heating operation> Heat pump model– 41 – outdoor temperatureTo andItem Operation flow and applicable data, etc– 42 – – 43 – Item – 44 –Operation flow and applicable data, etc <In cooling/dry operation>Item – 45 –Operation flow and applicable data, etc DescriptionItem – 46 –Operation flow and applicable data, etc DescriptionItem – 47 –Operation flow and applicable data, etc DescriptionOperation flow and applicable data, etc – 48 –Description – 49 – 2. Description 1. Purpose3. Operation 1. PurposeOperation flow and applicable data, etc – 51 –Description – 52 – Clean operationItem Operation flow and applicable data, etcOutline diagram of P.C. board Setting the clean operation– 53 – ItemSetting the selector switch on the main unit Setting the remote controller– 54 – Item9-3.Auto Restart Function 9-3-1.How to Set the Auto Restart Function– 55 – 9-3-2.How to Cancel the Auto Restart Function 9-4.FILTER Indicator9-3-3.Power Failure During Timer Operation 9-4-1.How to Turn Off FILTER Indicator9-5-1.Parts Name of Remote Controller 9-5.Remote Controller and Its Fuctions– 57 – Display – 58 –adbhj Hi-POWERbutton on the remote controller is pushed 9-6. Hi-POWERMode– 59 – 10. INSTALLATION PROCEDURE Accessory and Installation Parts Optional Installation Parts10-2.OptionalParts, Accesories and Tools – 61 –– 62 – Installation/Service ToolsInstallation Location 10-3.Installation of Indoor UnitDrilling a Hole and Mounting Installation Plate – 63 –– 64 – Electrical Work– 65 – Wiring Connection– 66 – Piping and Drain Hose InstallationIn case of right or left piping – 67 –In case of bottom right or bottom left piping Left-handconnection with pipingDrainage Indoor Unit Installation– 68 – NOTES Table of models that can be used in combination– 69 – 10-5-1.Installation Location 10-5.Installation of Outdoor Unit– 70 – – 71 – Draining the water– 72 – 10-5-2.Refrigerant Piping Connection– 73 – 10-5-3.Evacuating– 74 – 10-5-4.Wiring Connection10-6.Grounding Miswiring Mis-pipingCheck10-7.Check and Test Operation – 75 –Remote Control Selector Switch Setting Auto Restart Setting10-8.TestOperation Gas Leak Test Test OperationSelf-Diagnosisby LED Indication 10-9.USEFUL FUNCTIONS– 77 – – 78 – 11. HOW TO DIAGNOSE THE TROUBLE< Discharging method > – 79 –11-1-2.Confirmation of Power Voltage 11-1-1.Confirmation of Power Supply11-1.First Confirmation – 80 –11-3.Judgment by Flashing LED of Indoor Unit 11-2.Primary Judgment– 81 – NOTES– 82 – – 83 – 11-4-2.Caution at ServicingBlock distinction – 84 –Operation of diagnosis function Judgment and action11-5-1.Indoor Unit Including Remote Controller 11-5.Judgment of Trouble by Every Symptom<Confirmation procedure> – 85 –Primary check – 86 –3 Only the indoor motor fan does not operate <Cause> <Inspection procedure>– 88 – 5 Troubleshooting for remote controller<Primary check> 1Outdoor unit does not operate – 89 –– 90 – <Check procedure>– 91 – 11-7.Trouble Diagnosis by Outdoor LEDHow to check output of the air purifier 11-7.Troubleshooting– 92 – <Caution on High Voltage!!>Primary check – 93 –Operation check Contents Diagnosis/Process flowchart– 94 – Item11-9-1.How to Check the P.C. Board Indoor Unit 11-9.How to Check Simply the Main Parts– 95 – Procedure 3 Check procedures Table– 96 – Check points11-9-2.P.C. Board Layout 1 Sensor characteristic table– 97 – 11-9-4.Outdoor Unit 11-9-3.Indoor Unit Other Parts– 98 – 11-9-5.Checking Method for Each Part + ~ ~– 99 – – 100 – 1.Symptom2. Cause 12-1 12. HOW TO REPLACE THE MAIN PARTSIndoor Unit – 101 –installation plate Procedures<How to assemble the front panel> 102– 103 – – 104 – ProceduresNo. Part name – 105 – – 106 – 107 108 – 109 – ProceduresNo. Part name Cross flow <Caution at reassembling>Microcomputer 12-2– 110 – P.C. board layout– 111 – 12-3.Outdoor Unit112 ProceduresPart name Detachment113 – 114 – – 115 – ProceduresPart name Remarks– 116 – – 117 – – 118 – ProceduresPart name RemarksRemarks – 119 –Outdoor unit main PCB MCC-5009 – 120 –Outdoor unit Sub PCB MCC-5009 – 121 –13-1.Indoor Unit 13. EXPLODED VIEWS AND PARTS LIST– 122 – – 123 – – 124 – 13-2.Outdoor Unit125 13-3.P.C. Board LayoutSpecifications/Vendor Cord Heater Installation WorkAppendix Appendix-1Specifications Specifications/VendorAppendix Appendix-2Appendix 3. Cord heater installation wiring diagramAppendix-3 Photo / Explanatory diagram 4. Cord heater installation work procedureProcedure AppendixProcedure Photo / Explanatory diagramAppendix Appendix-5Procedure Photo / Explanatory diagramAppendix Appendix-6Procedure Photo / Explanatory diagramAppendix Appendix-7Procedure Photo / Explanatory diagramAssembly Appendix5. Drawing of thermostat fixing plate Appendix8 5.8 11 28 11 18Appendix-10 Appendix