Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM2802DT-E, RAV-SM2242DT-TR, RAV-SM2802DT-TR service manual P19 error, 45

Models: RAV-SM2802DT-TR RAV-SM2242DT-TR RAV-SM2802DT-E

1 110

Download 110 pages 30.72 Kb

Page 45

Image 45

[P19 error]

Is operation of 4-way valve normal?

YES

In heating mode,

4-way valve coil terminal 200V

YES

Check 4-way valve.

Defective → Replace

Is refrigerant flow by PMV normal?

YES

Check and replace PMV.

Is circuit wiring normal?

YES

Check and correct circuit.

Are resistance value characteristics

Check CDB P.C. board.

of TC sensor normal?

YES

Check CDB P.C. board.

Replace TC sensor.

Defective → Replace

∗Refer to temperature-Resistance value characteristic table.

Check indoor P.C. board (MCC-1403).

Defective → Replace

•In cooling operation, the outdoor unit [P19 error] may be displayed when high pressure is abnormally up.

In this case, referring to item [P04 error], eliminate the pressure-up cause and then diagnose the error again.

– 45 –

Page 45

Image 45

Toshiba RAV-SM2802DT-E, RAV-SM2242DT-TR, RAV-SM2802DT-TR service manual P19 error, 45

Contents

SERVICE MANUAL SPLIT TYPE INDOOR UNIT <DIGITAL INVERTER>R410A FILE NO. A10-001 Revised: May,CONTENTS Original instruction Generic Denomination: Air Conditioner– 3 – Work undertaken – 4 –Protective gear worn IndicationBURST HAZARD Warning Indications on the Air Conditioner Unit– 5 – Warning indicationPrecaution for Safety DENGER– 6 – – 7 – – 8 – – 9 – Weight kg Sound power level dB– 10 – Model1 Copper pipe <Piping> New Refrigerant R410A<Flare nut> 2Joint4.Tools General tools Conventional tools can be used– 12 – – 13 – 1-1-1.Concealed Duct High static pressure TypeModel Indoor unitModel – 14 –Indoor unit RAV-SM2242DT-TR– 15 – 2. CONSTRUCTION VIEWS EXTERNAL VIEWSIndoor Unit SM2242DT-EIndoor unit – 16 –Indoor unit Outer diameter of refrigerant pipeControl P.C. Board – 17 –for Indoor Unit E,RAV-SM2802DT-E -TR,RAV-SM2802DT-TR– 18 – 4-2.Fan Characteristics– 19 – REQUIREMENTLow static pressure F1 Fan motor wiringStandard Middle static pressure F2 High static pressure F3Specifications 5. SPECIFICATIONS OF ELECTRICAL PARTS5-1.Indoor Unit – 21 –6. INDOOR CONTROL CIRCUIT 6-1.Indoor Controller Block Diagram– 22 – Indoor unit– 23 – Outline of specificationsItem Remarks– 24 – ItemRemarks – 25 – Outline of specificationsTa ˚C Cooling +1.5K 2 J Outline of specifications– 26 – RemarksSetup at shipment Outline of specifications– 27 – Item<In case of wired remote controller> Outline of specifications– 28 – Item– 29 – Outline of specificationsItem RemarksPrint Circuit Board 6-3.Indoor– 30 – <MCC-1403>Specifications Connector– 31 – Function– 32 – <Wired remote controller type>Trouble Confirmation of check code displayProcedure How to read check monitor displayProcedure Procedure2 4 13 nRemote controller switch monitoring function– 34 – Page Operation of diagnostic function Error mode detected by indoor unit– 36 – Judgment and measures– 37 – Error mode detected by outdoor unit– 38 – Operation of diagnostic functionCheck code Judgment and measures– 39 – Check code E01 error E09 error– 40 – E04 error E10 error– 41 – E08, L03, L07, L08 error E18 errorL09 error – 42 –L30 error L20 errorP30 error Central controller – 43 –P10 error P01 error– 44 – – 45 – P19 errorF02 error F01 error– 46 – – 47 – C06 error 1:1 model connection interfaceF29 error E03 error Master indoor unitP31 error Follower indoor unit – 48 –Temperature Temperature sensor TA, TC, TCJTA, TC, TCJ sensors – 49 –– 50 – Checking procedurePart name Resistance valuePage Contents 1 Setting data read out from EEPROM– 52 – CODE No. required at least– 53 – 3 6 5Step StepSetting data Setting dataSetting data – 54 –9-1-1.Test Run Setup on Remote Controller 3 4 5 6<Wired remote controller> Preparation in advance1 2 3 4 5 6 END 4 5 29-1-4.Function Selection Setup Using the set temperature– 57 – ContentsFunction selection item No. DN list Item<Wired remote controller> Setup methodOperation nCalling of sensor temperature display <Procedure>– 59 – <Procedure> nCalling of error historyGroup control operation – 60 –– 61 – nIndoor unit power-ONsequence2. Microprocessor block diagram 9-2.Setup at Local Site / Others9-2-1.1:1 Model Connection Interface 1. Function – 62 –4.Wiring specifications 5. P.C. board switch SW01 setup– 63 – 3 1 4 1 2 36. External view of P.C. board assembly 7.Address setup– 65 – 10. ADDRESS SETUP 10-1.Address Setup Procedure– 66 – – 67 – 10-2-1.System Configuration– 68 – 1.Standard One outdoor unit 1Single2.Group operation 2, 5, 3, 6, 9 4, 7,1 2 3 4 5 6 7 8 9 10 11 END 1 2 3 END 1 2 ENDnConfirmation of indoor unit No. position – 70 –11. OWNER’S MANUAL ContentsInstallation 1 PRECAUTIONS FOR SAFETY– 72 – nWarning Indications on the Air Conditioner UnitSymbol Symbol– 73 – Examples of indication on the carton2 PART NAMES 3 WIRED REMOTE CONTROLLER2 Error display 3 SETTING display5 7 8 9 11 12 1 2 3 4Remote controller sensor 13 Remote controller sensor displayWhen restarting the operation after stop 4 CORRECT USAGE– 76 – nPreparation6 POWER SAVING MODE 5 TIMER OPERATION1 2 3 Example of remote control display • 23.5 hours ∗18 ENERGY SAVING RECOMMENDATIONS 7 ADVANCED SETTINGSnPower saving mode When the protective device is activatedCleaning air filters 9 MAINTENANCEMaintenance List Cleaning remote controller10 AIR CONDITIONER OPERATIONS AND PERFORMANCE 11 INSTALLATIONPower failure Heating characteristics Preheating operation13 SPECIFICATIONS 12 TROUBLESHOOTINGSound power level dB Declaration of Conformity12. INSTALLATION MANUAL ContentsInstallation Manual Installation Manual– 83 – nWarning Indications on the Air Conditioner UnitSelection of installation location 1 PRECAUTIONS FOR SAFETYInstallation Electrical wiringNew Refrigerant Air Conditioner Installation 2 ACCESSORY PARTSInstallation Manual Installation ManualnInstallation under high-humidityatmosphere 3 SELECTION OF INSTALLATION PLACEn Installation space nFilter cleaning sign term settingn External Dimensions 4 INSTALLATIONnInstallation of hanging bolt nInstallation of indoor unit<Air inlet port connecting flange> n Diagrams for making connecting flanges<Duct installation example First floor> Installation ManualInstallation Manual 5 FAN CHARACTERISTICSInstallation Manual 89 –nWire connection change of fan motor 6 DRAIN PIPING WORKInstallation Manual Installation ManualInstallation Manual nConnecting drain pipeInstallation Manual 91 –Installation Manual 7 REFRIGERANT PIPING AND EVACUATINGInstallation Manual – 92 –– 93 – Installation ManualnGas side refrigerant pipe connection nEvacuationnWire connection 8 ELECTRICAL CONNECTIONnWiring diagram nPower and Wiring SpecificationnRemote Controller Wiring 9 APPLICABLE CONTROLSnChanging of setting applicable control Wiring diagramnRemote controller switch monitoring function nPower saving modenFilter sign setting Concealed Duct High Static Pressure ProcedureProcedure Procedure exampleManual address setup procedure Installation Manual ProcedureProcedure ProcedureConcealed Duct High Static Pressure Procedure Installation Manual10 TEST RUN 11 MAINTENANCE<Daily maintenance> Cleaning of air filternConfirmation of error log 12 TROUBLESHOOTINGMaintenance List ProcedureInstallation Manual nError codes and parts to be checkedInstallation Manual Parts to be checked / error descriptionAir blower assembly 2 fans type Air blower assembly 1 fan typeWork procedure <Fan assembly>– 103 – Work procedurePart name Remarks– 104 – Work procedurePart name Remarks– 105 – Work procedurePart name Remarks206, 204, 211– 106 – Location218 214218 213 215, 216,– 107 – Location– 108 – Check of Concentration Limit WARNINGS ON REFRIGERANT LEAKAGETOSHIBA CARRIER CORPORATION