Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAS-M10EKCVP-E, RAS-M13EKCVP-E 94, Diagnosis/Process flowchart, Item, Contents, Summary

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 94

Diagnosis/Process flowchart

11-8. How to Diagnose Trouble in Outdoor Unit

11-8-1. Summarized Inner Diagnosis of Inverter Assembly

Table 11-8-1

Diagnosis/Process flowchart		Item	Contents	Summary
		Preparation	Turn “OFF” the power supply
			breaker, and remove 3P
Remove			connector which connects
connector of			inverter and compressor.
compressor.
				If fuse was blown, be sure
		Check	• Check whether 25A fuse on	to check the electrolytic
Check 25A fuse	NG		the control board assembly	capacitor and diode block.
(Part No.F01).			is blown or not. (F01)	(DB01)
OK	Replace fuse.	Check		• Connect discharge
	Replace fuse.	Check		• Connect discharge
				resistance (approx.
				100Ω40W) or soldering
	Check			iron (plug) between +, –
	electrolytic			terminals of the electro-
	capacitor, diode			lytic capacitor (760µF) of
	block (DB01),			C14 (with printed CAU-
	etc.			C14 (with printed CAU-
	etc.			TION HIGH VOLTAGE) on
				TION HIGH VOLTAGE) on
				P.C. board.
				Discharging position
				(Discharging period	Plug of
				10 seconds or more)	Plug of
Check				10 seconds or more)	soldering
Check					soldering
terminal voltage	NG				iron
of electrolytic
capacitor.
OK	Check
	electrolytic
	capacitor, diode
	(DB01),
	etc.

Does outdoor NO

Operation

Turn on the power breaker,

fan rotate?

YES

and operate the air condi-

tioner in COOL mode by time

OK if 760µF →

shortening.

DC280 to 380V

Measure-

Measure terminal voltage of

ment

the electrolytic capacity.

Remove CN300 while

pushing the part indicated

760µF:400WV x 3

by an arrow because

After operation, turn off the

CN300 is a connector with

Remove connector

lock.

power breaker after 2

CN300 of outdoor fan

NG

Check

minutes 20 seconds passed,

motor, and using a

tester, check resistance

and discharge the electrolytic

value between every

Stop

capacitor by soldering iron.

phases at motor side.

Check voltage between motor

OK

phases.

Check

• Is not winding between #-

Replace

→ Resistance between

Measure-

∃

,

-

, or

-

%

opened

outdoor

ment

∃ %

#

phases should be

fan motor.

or short-circuited?

• Is not frame grounded with

approx. 55 to 77Ω

# ∃

%

A

B

,

, or

?

→ Should be 10MΩ or

more.

– 94 –

Image 94

Toshiba RAS-M10EKCVP-E, RAS-M13EKCVP-E, RAS-M18EACV-E, RAS-M18EAV-E 94, Diagnosis/Process flowchart, Item, Contents, Summary

Contents

SPLIT TYPE AIR-CONDITIONERFILE NO. A04-015 CONTENTS For general public use 1. SAFETY PRECAUTIONSDANGER For Reference – 4 –Table of models that can be used in combination 2. SPECIFICATIONSTable of models that can be connected – 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 <Cooling> RAS-M14EAV-E, RAS-M14EACV-E 2-2-1.Operation Characteristic Curve– 10 – RAS-M14EAV-E, RAS-M14EACV-E <Cooling><Cooling> RAS-M18EAV-E, RAS-M18EACV-E 2-2-3.Operation Characteristic Curve– 11 – RAS-M18EAV-E, RAS-M18EACV-E3. REFRIGERANT R410A 3-1.Safety During Installation/Servicing3-2.Refrigerant Piping Installation 3-2-1.Piping Materials and Joints Used3-2-2.Processing of Piping Materials – 13 –– 14 – – 15 – General tools Conventional tools can be used 3-3.Tools3-3-1.Required Tools – 16 –3-4.Recharging of Refrigerant – 17 –3-5-2.Flux 3-5.Brazing of Pipes3-5-1.Materials for Brazing – 18 –Never use gas other than Nitrogen gas 3-5-3.Brazing– 19 – – 20 – 4. CONSTRUCTION VIEWS4-1.Indoor Unit RAS-B10EKVP-E RAS-B13EKVP-E RAS-B16EKVP-E4-2.Outdoor Unit – 21 –T3.15A 5. WIRING DIAGRAM5-1.Indoor Unit – 22 –5-2.Outdoor Unit – 23 –RAS-B16EKVP-E, RAS-B13EKVP-E, RAS-B10EKVP-E Specifications– 24 – RAS-M16EKCVP-E, RAS-M13EKCVP-E, RAS-M10EKCVP-EParts name 6-2.Outdoor Unit– 25 – Model name– 26 – 7. REFRIGERANT CYCLE DIAGRAM7-1.Refrigerant Cycle Diagram RAS-B13EKVP-E, RAS-B10EKVP-E RAS-M14EAV-ERAS-M13EKCVP-E, RAS-M10EKCVP-ERAS- M14EACV-E Page – 29 – 7-2.Operation Data – 30 –8-1.Indoor Unit 8. CONTROL BLOCK DIAGRAMREMOTE CONTROLLER – 31 –REMOTE CONTROLLER RAS-M10EKCVP-E, RAS-M13EKCVP-E, RAS-M16EKCVP-EM.C.U CONTROL BLOK DIAGRAM Outdoor unit– 33 – 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-onlymodelItem Symbols– 39 – Operation flow and applicable data, etcDescription – 40 –Operation flow and applicable data, etc <In heating operation> Heat pump modelItem outdoor temperatureTo and– 41 – Operation flow and applicable data, etc– 42 – – 43 – Operation flow and applicable data, etc – 44 –Item <In cooling/dry operation>Operation flow and applicable data, etc – 45 –Item DescriptionOperation flow and applicable data, etc – 46 –Item DescriptionOperation flow and applicable data, etc – 47 –Item DescriptionOperation flow and applicable data, etc – 48 –Description – 49 – 3. Operation 1. Purpose2. Description 1. PurposeOperation flow and applicable data, etc – 51 –Description Item Clean operation– 52 – Operation flow and applicable data, etc– 53 – Setting the clean operationOutline diagram of P.C. board Item– 54 – Setting the remote controllerSetting the selector switch on the main unit Item9-3.Auto Restart Function 9-3-1.How to Set the Auto Restart Function– 55 – 9-3-3.Power Failure During Timer Operation 9-4.FILTER Indicator9-3-2.How to Cancel the Auto Restart Function 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 10-2.OptionalParts, Accesories and Tools Optional Installation PartsAccessory and Installation Parts – 61 –Installation/Service Tools – 62 –Drilling a Hole and Mounting Installation Plate 10-3.Installation of Indoor UnitInstallation Location – 63 –Electrical Work – 64 –Wiring Connection – 65 –Piping and Drain Hose Installation – 66 –In case of bottom right or bottom left piping – 67 –In case of right or 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 – Draining the water – 71 –10-5-2.Refrigerant Piping Connection – 72 –10-5-3.Evacuating – 73 –10-5-4.Wiring Connection – 74 –10-7.Check and Test Operation Miswiring Mis-pipingCheck10-6.Grounding – 75 –10-8.TestOperation Gas Leak Test Auto Restart SettingRemote Control Selector Switch Setting Test OperationSelf-Diagnosisby LED Indication 10-9.USEFUL FUNCTIONS– 77 – 11. HOW TO DIAGNOSE THE TROUBLE – 78 –– 79 – < Discharging method >11-1.First Confirmation 11-1-1.Confirmation of Power Supply11-1-2.Confirmation of Power Voltage – 80 –– 81 – 11-2.Primary Judgment11-3.Judgment by Flashing LED of Indoor Unit NOTES– 82 – 11-4-2.Caution at Servicing – 83 –Operation of diagnosis function – 84 –Block distinction Judgment and action<Confirmation procedure> 11-5.Judgment of Trouble by Every Symptom11-5-1.Indoor Unit Including Remote Controller – 85 –Primary check – 86 –3 Only the indoor motor fan does not operate <Inspection procedure> <Cause>– 88 – 5 Troubleshooting for remote controller<Primary check> – 89 – 1Outdoor unit does not operate<Check procedure> – 90 –11-7.Trouble Diagnosis by Outdoor LED – 91 –– 92 – 11-7.TroubleshootingHow to check output of the air purifier <Caution on High Voltage!!>Primary check – 93 –Operation check – 94 – Diagnosis/Process flowchartContents Item11-9-1.How to Check the P.C. Board Indoor Unit 11-9.How to Check Simply the Main Parts– 95 – – 96 – 3 Check procedures TableProcedure 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 Indoor Unit 12. HOW TO REPLACE THE MAIN PARTS12-1 – 101 –<How to assemble the front panel> Proceduresinstallation plate 102– 103 – – 104 – ProceduresNo. Part name – 105 – – 106 – 107 108 No. Part name Procedures– 109 – Cross flow <Caution at reassembling>– 110 – 12-2Microcomputer P.C. board layout12-3.Outdoor Unit – 111 –Part name Procedures112 Detachment113 – 114 – Part name Procedures– 115 – Remarks– 116 – – 117 – Part name Procedures– 118 – Remarks– 119 – Remarks– 120 – Outdoor unit main PCB MCC-5009– 121 – Outdoor unit Sub PCB MCC-500913-1.Indoor Unit 13. EXPLODED VIEWS AND PARTS LIST– 122 – – 123 – 13-2.Outdoor Unit – 124 –13-3.P.C. Board Layout 125Appendix Cord Heater Installation WorkSpecifications/Vendor Appendix-1Appendix Specifications/VendorSpecifications Appendix-2Appendix 3. Cord heater installation wiring diagramAppendix-3 Procedure 4. Cord heater installation work procedurePhoto / Explanatory diagram AppendixAppendix Photo / Explanatory diagramProcedure Appendix-5Appendix Photo / Explanatory diagramProcedure Appendix-6Appendix Photo / Explanatory diagramProcedure Appendix-7Assembly Photo / Explanatory diagramProcedure Appendix8 5.8 Appendix5. Drawing of thermostat fixing plate 11 28 11 18Appendix Appendix-10