Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAS-B10SKVP-E <Primary check>, 76, Only the indoor motor fan does not operate

Models: RAS-10SAVP-E RAS-B10SKVP-E RAS-B13SKVP-E

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Page 76

(3) Only the indoor motor fan does not operate

(3) Only the indoor motor fan does not operate

<Primary check>

1.Is it possible to detect the power supply voltage (AC220–240V) between Q and R on the terminal block?

2.Does the indoor fan motor operate in cooling operation?

(In heating operation, the indoor fan motor does not operate for approximately 10 minutes after it is turned on, to prevent a cold air from blowing in.)

Turn off power supply once, and turn it on again.

					Is it possible to detect	NO
		YES

Does fan motor					DC 1V or more between
continue to operate?					5 + and 3 – of
					motor connector (CN31).

NO

YES

Start to operate indoor unit in cooling operation at airflow level “LOW”.

Peplace indoor fan motor.

Does indoor fan operate?

YES

	NO	Is it possible to detect	NO
		DC 310–340V between

1+ and 3 – of motor connector (CN31).

Change airflow level to “HIGH”.

YES

(Motor connection condition)	NO
Is it possible to detect DC 15V	NO
between 4 + and 3 – of
motor connector (CN31).

YES

Start to operate the indoor unit in except

heating operation. NO At this time, is it possible to

detect DC 1V or more between

5+ and 3 – of motor connector (CN31)?

Turn off indoor unit and remove connector from motor.

Then push START/STOP button on remote controller to stop flashing lamp on indoor unit.

	Is it possible to detect	NO
	DC 15V between 4 +	NO
	DC 15V between 4 +
	and 3 – of motor
	connector (CN31).

YES

Turn off indoor unit and remove connector from motor. Then start to operate indoor unit with remote controller.

Peplace main P.C. board.

YES

Is it possible to NO change airflow level

to “HIGH”?

YES

Is it possible to	NO
rotate cross-flow fan by
hand properly?

Start to operate the
indoor unit in except
heating operation.
At this time, is it possible	NO
to detect DC 1V or more
between 5 + and 3 –
of motor connector (CN31)?
(Check this condition
within 15 seconds after
starting unit.)

YES

Peplace bearing.

Fan motor operates normally.

YES

Turn off indoor unit and rotate cross-flow fan by hand when the

unit is on standby. NO At this time, is it possible to

detect DC 1V or more between 5 + and 3 – of motor connector (CN31).

YES

– 76 –

Image 76

Toshiba RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-10SAVP-E <Primary check>, 76, Only the indoor motor fan does not operate

Contents

SERVICE MANUAL AIR-CONDITIONERSPLIT TYPE RAS-B10SKVP-E RAS-B13SKVP-E RAS-B16SKVP-ECONTENTS 1. SAFETY PRECAUTIONS New Refrigerant Air Conditioner InstallationDANGER DANGER: HIGH VOLTAGE– 4 – For Reference2. SPECIFICATIONS 2-1.Specifications– 6 – 2-2.Operation Characteristic Curve – 7 –RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E Heating– 8 – RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E<Cooling> RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND3-1.Safety During Installation/Servicing 3-2.Refrigerant Piping Installation3. REFRIGERANT R410A 3-2-1.Piping Materials and Joints Used1.Flare processing procedures and precautions 3-2-2.Processing of Piping Materials– 10 – 2.Joints– 11 – 2.Flare Connecting Procedures and Precautions – 12 –Page 3-4.Recharging of Refrigerant – 14 –3.Low temperature brazing filler 1.Reason why flux is necessary3-5-1.Materials for Brazing 3-5-2.Flux2.Characteristics required for flux 3-5-3.BrazingNever use gas other than Nitrogen gas 3.Types of flux4-1.Indoor Unit 4. CONSTRUCTION VIEWSRAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E – 18 – RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND4-2.Outdoor Unit – 19 –Detailed A leg part Detailed B leg part5-1.Outdoor Unit 5. WIRING DIAGRAM5-2.Indoor Unit 5-3.Outdoor Unit 5-4.Indoor UnitP. C. Board MCC-5009Specifications RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-ERAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND RAS-10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E7. REFRIGERANT CYCLE DIAGRAM 7-1.Refrigerant Cycle Diagram– 24 – 7-2.Operation Data <Cooling><Heating> NOTESREMOTE CONTROLLER 8. CONTROL BLOCK DIAGRAM8-1.Indoor Unit MICRO-COMPUTERBLOCK DIAGRAM Outdoor Unit Inverter Assembly10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP 10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E9. OPERATION DESCRIPTION 9-1.Outline of Air Conditioner Control1.Role of indoor unit controller 2.Role of outdoor unit controller9-2.Operation Description – 29 – Operation flow and applicable data, etcDescription 1.Basic 1. Operation controlItem Operation flow and applicable data, etcDescription 1.Basic 2. Cooling/Heating operationIndication – 31 –Fan speed Item Operation flow and applicable data, etcDescription <In heating operation>– 33 – Remote controller ItemOperation flow and applicable data, etc DescriptionItem Operation flow and applicable data, etcDescription <In cooling/dry operation>Item Operation flow and applicable data, etcIn case of operation stop DescriptionItem Operation flow and applicable data, etcDescription 1 Louver position in cooling operationItem Operation flow and applicable data, etcDescription <Cooling operation>– 39 – ItemOperation flow and applicable data, etc DescriptionItem Operation flow and applicable data, etcDescription 1. PurposeSetup value Setup valueSetup value Power OFFClean operation ItemOperation flow and applicable data, etc DescriptionSetting the clean operation cancel Setting the clean operationJ201 Item1.Setting the remote controller 2.Setting the unitThis operation will change the setting to “B” Operation flow and applicable data, etcItem Operation flow and applicable data, etcDescription <Indoor control P.C. board At shipment>Item Operation flow and applicable data, etcDescription <With Quiet control/Non-selectmethod>Operation flow and applicable data, etc Description<Start> During stop of air conditionerOperation flow and applicable data, etc Description<Indoor fan control> <Indoor fan control>Item Operation flow and applicable data, etcDescription <Base plate cord heater control>9-3-1.How to Set the Auto Restart Function • When the unit is standby Not operatingWhen the unit is in operation – 50 –9-3-2.How to Cancel the Auto Restart Function 9-3-3.Power Failure During Timer Operation9-4-1.How to Turn Off FILTER Indicator • When the system is on stand-bynot operating9-5.Remote Controller and Its Fuctions 9-5-1.Parts Name of Remote Controller– 53 – Display9-6.Hi POWER Mode 5.Release of Hi POWER mode– 54 – 1.Automatic operation10. INSTALLATION PROCEDURE 10-1.Safety Cautions10-2-1.Optional Installation Parts 10-2-2.Accessory and Installation PartsAttachment bolt arrangement of outdoor unit <Others>New tools for R410A 10-2-3.Installation/Servicing ToolsChanges in the product and components 10-3-1.Installation Location Remote controller10-3-2.Drilling and Mounting Installation Plate Mounting the installation plateHow to connect the connecting cable 10-3-4.Wiring Connection10-3-3.Electrical Work 10-3-5.Piping and Drain Hose Installation How to remove the drain capHow to remove the drain hose Piping and drain hose formingHow to attach the drain cap How to attach the drain hoseUsing a different screw may cause water to leak In case of bottom right or bottom left piping10-3-7.Drainage 10-3-6.Indoor Unit Installation– 62 – Precautions for adding refrigerant 10-4-1.Installation Location10-4.Outdoor Unit 10-4-2.Draining the Water 10-4-3.Refrigerant Piping Connection Flaring– 64 – Projection margin in flaring A Unit mmTightening Connection Use a vacuum pump– 65 – •IMPORTANT POINTS FOR PIPING WORKPacked Valve handling precautions 10-4-5.Wiring ConnectionStripping length of connecting cable – 66 –10-5-3.Auto Restart Setting How to Set the Auto RestartInformation 10-5-1.Gas Leak Test11. HOW TO DIAGNOSE THE TROUBLE CAUTION: HIGH VOLTAGEN< Discharging method > – 69 –11-1-2.Confirmation of Power Voltage 11-1-1.Confirmation of Power Supply11-1.First Confirmation 11-2.Primary Judgment 11-3.Judgment by Flashing LED of Indoor Unit– 71 – NOTES2 Push ON or OFF button – 72 –Fig. 11-4-2.Caution at Servicing – 74 – 11-5.Judgment of Trouble by Every Symptom 11-5-1.Indoor Unit Including Remote Controller<Confirmation procedure> <Primary check>– 76 – <Primary check>3 Only the indoor motor fan does not operate <Cause> <Inspection procedure>– 77 – <Primary check> 5 Troubleshooting for remote controller– 78 – – 79 – 1Outdoor unit does not operateCheck procedure – 81 – 11-7.TroubleshootingOperation check 11-8.How to Diagnose Trouble in Outdoor Unit Diagnosis/Process flowchartContents – 82 –11-9.How to Check Simply the Main Parts 11-9-1.How to Check the P.C. Board Indoor Unit1Operating precautions 2Inspection procedures3 Check procedures Procedure– 84 – Check points11-9-2.P.C. Board Layout 1 Sensor characteristic table– 85 – 11-9-4.Outdoor Unit 11-9-3.Indoor Unit Other Parts– 86 – 11-9-5.Checking Method for Each Part + ~ ~ –DBO1 – 88 – 1.Symptom2.Cause 12-1 12. HOW TO REPLACE THE MAIN PARTSIndoor Unit – 90 – – 91 – – 92 – Page – 94 – – 95 – Procedures – 96 –No. Part name Remarks12-2.Microcomputer <P.C. board layout>12-3.Outdoor Unit – 98 –– 99 – – 100 – Requirement– 101 – – 102 – Detail ADetail B Detail C– 103 – – 104 – Procedure – 105 –Part name RemarksProcedure – 106 –Remarks Parts name– 107 – MCC-500913. EXPLODED VIEWS AND PARTS LIST 13-1.Indoor Unit402 407, 408, 403 406 404 405 410401 – 109 –240 238 243 214 402 411, 412, 403 406 404 405 410401 – 111 –13-2.Outdoor Unit – 113 – 13, 16, 19, – 115 – 705 701 Sensor, TE 702 Sensor, TS 703 Sensor, TO 13-3.P.C. Board Layout704 Sensor, TD Ø4 707 704 Sensor, TD Ø4 707 709 708 706 705 701 Sensor, TE 702 Sensor, TS 703 Sensor, TO– 117 – RAS-10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E RAS-10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP-NDCorresponding ORIGINALTOSHIBA CARRIER CORPORATION