Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM1603ATZG-E, RAV-SM1603DT-A, RAV-SM1603ATZ-E, RAV-SM1403DT-A P12 error, 101

Models: RAV-SM1403DT-A RAV-SM1603ATZ-E RAV-SM1603ATZG-E RAV-SM1603DT-A

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Page 101

[P12 error]

[P12 error]

Turn off the power.

Is there no connection error or		YES
disconnection on connectors CN333
disconnection on connectors CN333
and CN334 of indoor unit
P.C. board (MCC-1402)?

NO


Remove connectors CN333 and CN334
of indoor unit P.C. board (MCC-1402).

Correct connection

of connector.

CN333

CN334

Does the fan rotate without trouble when handling the fan with hands?

YES

Are resistance values

between phases at fan motor connector CN333 motor side of indoor P.C. board (MCC-1402) correct? ∗ 1

NO

Incorrect

Replace indoor fan motor.

Replace indoor fan motor.

Correct

∗1

•Are not coil windings between (Red lead) and (White lead), between (White lead) and (Black lead),

between (Black lead) and (Red lead) opened or shorted? → The resistance should be the resistance value below.

SM56, SM80 → Approx. 70 to 100Ω

SM110, SM140, SM160 → Approx. 27 to 40Ω

• Is not grounded between cabinet and , , . → It should be 10MΩ or more.

Is resistance value of	Incorrect			Replace indoor fan motor.
fan motor connector CN334 motor side
fan motor connector CN334 motor side
of indoor P.C. board correct? ∗ 2
of indoor P.C. board correct? ∗ 2

Correct

∗2

Resistance value confirmation of the fan motor position detection circuit

Is not status between (Yellow lead) and (Pink lead) opened or shorted? → The resistance should be approx. 5k to 20kΩ .

Is output of	NO
indoor fan motor position
indoor fan motor position
detection signal correct? ∗ 3

Replace indoor fan motor.

YES

∗3

Confirmation of the fan motor position detection signal

•Using a voltage tester, measure voltage between CN334 and on the indoor P.C. board

(MCC-1570) under condition that CN333 and CN334 are mounted and the power supply is turned on. → When rotating the fan slowly with hands, the pin voltage should shake between 0 and 5V.

•Between and : 5V

Check indoor P.C. board.

Defect → Replace

– 101 –

Image 101

Toshiba RAV-SM1603ATZG-E, RAV-SM1603DT-A, RAV-SM1603ATZ-E, RAV-SM1403DT-A service manual P12 error, 101

Contents

INDOOR UNIT <DIGITAL INVERTER> OUTDOOR UNIT <DIGITAL INVERTER>FILE NO. A07-009 SERVICE MANUALSAFETY CAUTION CONTENTSSPECIFICATIONS WIRING DIAGRAM7. INDOOR CONTROL CIRCUIT 6. REFRIGERANT R410AExplanation of indications DANGERExplanation of illustrated marks Confirmation of warning label on the main unit– 5 – – 6 – 2.Cautions on Installation/Service 1. Safety Caution Concerned to New Refrigerant• New Refrigerant R410A 3.Pipe Materials– 8 – 4.ToolsGeneral tools Conventional tools can be used 1-1.Indoor Unit 1. SPECIFICATIONS– 9 – 1-1-1.High Static Duct Type <Single type>Indoor unit – 10 –SM1604UT-E Outdoor unit<Twin type> type> – 12 –<Triple 1-1-3.Concealed Duct Type <Twin type> – 13 –type> <Triple1-1-4.Under Ceiling Type <Twin type> – 15 –type> – 16 –<Triple 1-1-5.High Wall Type Twin type – 17 –type> – 18 –<Triple – 19 – 1-1-6.Compact 4-wayCassette 600 × 600 TypeTriple type>– 20 – 1-1-7.Slim Duct Type<Triple type>RAV-SM1603ATZZG-E 1-2.Outdoor Unit– 21 – • Operation characteristic curve 1-3.Operation Characteristic Curve– 22 – RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E2-1.Indoor Unit 2. CONSTRUCTION VIEWS EXTERNAL VIEWSService work space – 23 –– 24 – Outdoor UnitSM1603ATZ-E SM1603AT-E,RAVRBC-TWP30E2, RBC-TWP50E2Simultaneous Twin – 25 –– 26 – <Gas side>RBC-TRP100ESimultaneous Triple Gas side socket3-1.Indoor Unit 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAMDimension table Capillary tube specifications•Single type 3-2.Outdoor Unit Systematic Diagram of Refrigerating Cycle– 29 – RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E4-1.Indoor Unit 4. WIRING DIAGRAM– 30 – RAV-SM1403DT-A, RAV-SM1603DT-A• Twin type • Single type• Triple type – 31 –RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E 4-2.Outdoor Unit– 32 – REQUIREMENT 4-3.Fan CharacteristicsnWire connection change of fan motor – 33 –5-1.Indoor Unit 5. SPECIFICATIONS OF ELECTRICAL PARTS5-2.Outdoor Unit – 34 –6-2.Refrigerant Piping Installation 6-1.Safety During Installation/Servicing6. REFRIGERANT R410A 6-2-1.Piping Materials and Joints Used– 36 – 6-2-2.Processing of Piping MaterialsTable 6-2-1Thicknesses of annealed copper pipes Thickness mmFlare and flare nut dimensions for R410A Fig. 6-2-1Flare processing dimensionsFlare and flare nut dimensions for R22 TableNominal – 38 –Outer diameter Tightening torque6-4.Recharging of Refrigerant 6-3.ToolsFig. 6-4-1Configuration of refrigerant charging 6-3-1.Required Tools3.Low temperature brazing filler 6-5.Brazing of Pipes6-5-2.Flux 1.Reason why flux is necessary 6-5-1.Materials for Brazing3.Types of flux 2.Characteristics required for flux6-5-3.Brazing 1.Brazing method to prevent oxidation6-6-4.Curing of Pipes 6-6.Instructions for Re-usePiping of R22 or R407C– 43 – 6-6-6.Handling of Existing Pipe Cautions for using existing pipe– 44 – RAV-SP1404AT-E, RAV-SP1404ATZ-E, RAV-SP1404ATZG-EProcedure 6-6-7.Recovery Method of RefrigerantProcedure DANGERn Twin system 6-7.Tolerance of Pipe Length and Pipe HeadIndoor unit A Indoor unit B Outdoor unit– 47 – n Triple systemIndoor unit A Indoor unit CnTwin system 6-8.Additional Refrigerant Amount– 48 – Indoor unit A Indoor unit B– 49 – nTriple systemIndoor unit A Indoor unit CnTwin system 6-9.Piping Materials and SizesnTriple system – 50 –NO GOOG OKOK6-10.Branch Pipe 6-11.Distributor7-1-1.Connection of Main Sub Remote Controller 7-1.Indoor Controller Block Diagram7. INDOOR CONTROL CIRCUIT – 52 –Outline of specifications 7-2.Control Specifications– 53 – Item– 54 – Outline of specificationsItem Remarks– 55 – Outline of specificationsItem RemarksK 2 J Outline of specifications– 56 – RemarksSetup at shipment Outline of specifications– 57 – ItemItem Outline of specifications– 58 – ∗This option is not provided to oversea models – 59 –– 60 – 7-4.Indoor Print Circuit Board<MCC-1403> RAV-SM1403DT-A, RAV-SM1603DT-A7-5.Outdoor Print Circuit Board Noise filter P.C. board <MCC-1551> – 62 –<MCC-1531> – 63 –2. Discharge temperature release control 8-1.Outdoor ControlsREQUIREMENT 8-1-1.Outline of Main ControlsOperation with WE 4. Outdoor fan control– 65 – Allocations of fan tap revolutions rpm5.Coil heating control REQUIREMENT– 66 – In trouble of TO sensor7.High pressure restraint TE control 6.Short intermittent operation preventive control8.Over-currentprotective control 9.Current release value shift controlStart of heating operation 10. Defrost control9-1.Summary of Troubleshooting 9. INDOOR UNIT TROUBLESHOOTING1. Before troubleshooting 2. Troubleshooting procedure9-2-1.Check Code List Indoor 9-2.Troubleshooting– 71 – Error mode detected by indoor unit– 72 – – 73 – Check code E01 errorE09 error – 74 – E04 errorE10 error E08, L03, L07, L08 error E18 errorL09 error – 75 –L30 error L20 errorP30 error Central controller – 76 –– 77 – P10 errorF10 error Exchange to heating cycle P19 errorExchange to cooling cycle – 79 – F02 errorF01 error – 80 – C06 error TCC-LINKcentral controllerF29 error E03 error Master indoor unitP31 error Follower indoor unit – 81 –TA, TC, TCJ, TE, TS, TO sensors Temperature sensorTD, TL sensors TA, TC, TCJ, TE, TS, TO sensors10-1.Summary of Troubleshooting 10. OUTDOOR UNIT TROUBLESHOOTING1. Before troubleshooting 2. Troubleshooting procedure1. Before troubleshooting 2.Troubleshooting procedure<Wireless remote controller type> – 84 –– 85 – 10-2.Troubleshooting10-2-1.Outline of Judgment Cause of trouble occurrence Lamp indicationCheck code <Display on wired remote controller> New Check Code<Display on wireless sensor> 10-2-2.Others Other than Check Code– 88 – 10-2-3.Check Code List Outdoor– 89 – – 90 – Error mode detected by indoor unit– 91 – Operation. of diagnostic functionJudgment and measures Cause of operation– 92 – Error mode detected by outdoor unit– 93 – Page – 95 – Check code E01 errorE09 error – 96 – E04 errorE18 error E10 errorE08, L03, L07, L08 error – 97 –L20 error L09 errorL30 error – 98 –– 99 – b7 error Central controllerP01 error – 100 – P10 errorF10 error – 101 – P12 errorCN301, ∗ CN303 CN300 P22 error– 102 – RAV-SM160AT-E103 P19 errorF02 error – 104 – F01 errorP26 error F06 error P29 errorP04 error 105L29 error F08 errorH02 error – 106 –– 107 – P03 errorH01 error – 108 – P04 error– 109 – 97 error Central controllerF29 error / 12 error E03 error Master indoor unitP31 error Sub indoor unit – 110 –TA sensor – 111 –TC, TCJ sensor Caracteristics-1Page CODE No. required at least 1 Setting data read out from EEPROM– 113 – 3 6 5 3 Writing the setting data to EEPROM– 114 – StepTable 115Table 2. Type: CODE No. Table 3. Indoor unit capacity: CODE No.12-1.Indoor Unit 12. SETUP AT LOCAL SITE AND OTHERS12-1-1.Test Run Setup on Remote Controller <Wired remote controller>4 5 2 3 6 11 2 3 4 5 6 END 1.D02 Red118 ContentsFunction selection item No. DN list ItemWired remote controller Setup method– 119 – OperationnCalling of sensor temperature display 2 4 1<Contents> <Procedure><Contents> nCalling of error historyProcedure 4 seconds or more to call the service check modewhich receives power feed from outdoor unit> nIndoor unit power-ONsequence<Automatic address judgment> <By indoor unit2. Microprocessor block diagram 12-2.Setup at Local Site / Others3. TCC-LINKwiring connection 1. Function– 124 – 4. Wiring specifications5. P.C. board switch SW01 setup 7. Address setup 6. External view of P.C. board assembly12-3.How to Set up Central Control Address Number 1 2 3 4Push UNIT LOUVER button for 4 seconds or more – 126 –– 127 – 13. ADDRESS SETUP13-1.Address Setup Procedure 13-2-1.System Configuration 13-2.Address Setup & Group Control– 128 – <Terminology>Example – 129 –Change is necessary 1 2 3 4 5 6 7 8 9 10 11 END 2, 5,3, 6, 9 4 1 2 3 END 1 2 ENDnConfirmation of indoor unit No. position <Procedure>14. DETACHMENTS 2. How to replace the parts14-1.Indoor Unit REQUIREMENT Work procedureWork procedure 2. How to replace the parts Continued– 134 – Explanatory drawing– 135 – 2. How to replace the parts ContinuedWork procedure Work procedure 4. How to replace the partsREQUIREMENT – 136 –Work procedure 4. How to replace the parts Continued– 137 – Explanatory drawing4. How to replace the parts Continued 5.Assembling work after replacing fan motorWork procedure – 138 –– 139 – 6. How to replace the sensorWork procedure 7. How to clean the drain port 6. How to replace the sensor ContinuedWork procedure Work procedure– 141 – 14-2.Outdoor UnitXREQUIREMENTX XREQUIREMENTX– 142 – ProcedurePart name CDB board– 143 – 144 XREQUIREMENTX – 145 –XCAUTIONX XREQUIREMENTX – 146 –XWARNINGX – 147 –X CAUTIONX X CAUTIONX2. Mounting of compressor – 148 –3. Vacuuming 4. Refrigerant chargeXREQUIREMENTX – 149 –XREQUIREMENTX 1. Detachment15-1 15. EXPLODED VIEWS AND PARTS LISTIndoor Unit – 150 –Location 151Part No DescriptionRAV-SM1403DT-A, RAV-SM1603DT-A – 152 –Location Part No15-2.Outdoor Unit Location – 154 –Description Model Name716, Check of Concentration Limit WARNINGS ON REFRIGERANT LEAKAGETOSHIBA CARRIER CORPORATION