Toshiba RAS-13NKHD-E Service Manual
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Toshiba RAS-13NKHD-E Service Manual

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SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE
RAS-13NKHD-E / RAS-13UAH-E3
RAS-10NKHD-E / RAS-10UAH-E3
RAS-07NKHD-E / RAS-07UAH-E3
RAS-13NKD-E / RAS-13UA-E3
RAS-10NKD-E / RAS-10UA-E3
RAS-07NKD-E / RAS-07UA-E3
FILE NO. SVM-04022-1
Revised on March, 2005

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  • Page 1: Service Manual

    FILE NO. SVM-04022-1 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-13NKHD-E / RAS-13UAH-E3 RAS-10NKHD-E / RAS-10UAH-E3 RAS-07NKHD-E / RAS-07UAH-E3 RAS-13NKD-E / RAS-13UA-E3 RAS-10NKD-E / RAS-10UA-E3 RAS-07NKD-E / RAS-07UA-E3 Revised on March, 2005...

  • Page 2: Table Of Contents

    2-1 Indoor Unit 2-2 Outdoor Unit (RAS-13UAH-E3, RAS-10UAH-E3, RAS-13UA-E3, RAS-10UA-E3) 2-3 Outdoor Unit (RAS-07UAH-E3, RAS-07UA-E3) WIRING DIAGRAM 3-1 RAS-13NKHD-E / RAS-13UAH-E3 RAS-10NKHD-E / RAS-10UAH-E3, RAS-07NKHD-E / RAS-07UAH-E3 RAS-13NKD-E / RAS-13UA-E3 3-2 RAS-10NKD-E / RAS-10UA-E3, RAS-07NKD-E / RAS-07UA-E3 SPECIFICATION OF ELECTRICAL PARTS...
  • Page 3 FILE NO. SVM-04022 INSTALLA TION PROCEDURE 8-1 Safety Cautions 8-2 Installation Diagram of Indoor and Outdoor Units 8-3 Installation 8-4 Indoor Unit 8-5 Outdoor Unit 8-6 How to Set Remote Control Selector Switch 8-7 Others TROUBLESHOOTING CHART 9-1 Troubleshooting Procedure 9-2 Basic Check Items 9-3 Primary Judgement 9-4 Self-Diagnosis by Remote Control (Check Code)

  • Page 4: Specifications

    FILE NO. SVM-04022 1. SPECIFICATIONS MODEL RAS-13NKHD-E/ RAS-13UAH-E 3 RAS-13NKD-E / RAS-13UA-E3 ITEM Cooling Heating Cooling 220 V 240 V 220 V 240 V 220 V 240 V Capacity 3.55 3.60 4.40 4.45 3.70 3.75 Phase 1∅ 220 − 240...
  • Page 5 FILE NO. SVM-04022 MODEL RAS-10NKHD-E / RAS-10UAH-E3 RAS-10NKD-E / RAS-10UA-E3 ITEM Cooling Heating Cooling 220 V 240 V 220 V 240 V 220 V 240 V Capacity 2.70 2.75 3.12 3.15 2.65 2.70 Phase 1∅ 220 − 240 Power source Power consumption 1.00 1.05...
  • Page 6 FILE NO. SVM-04022 RAS-07NKHD-E RAS-07NKD-E MODEL RAS-07UAH-E3 RAS-07UA-E3 ITEM Cooling Heating Cooling 220V 240V 220V 240V 220V 240V Capacity 2.00 2.05 2.20 2.25 2.10 2.15 Phase 1∅ı 220 − 240 Power source Power consumption 0.69 0.76 0.60 0.65 0.60 0.64 Power factor Running Indoor...
  • Page 7 FILE NO. SVM-04022 Note : 1 • Capacity is based on the following temperature conditions. JIS B8615-1 Condition Temperature Cooling Heating (DB) 27°C 20°C Indoor unit inlet air temperature (WB) 19°C 15°C (DB) 35°C 7°C Outdoor unit inlet air temperature (WB) 24°C 6°C...

  • Page 8: Construction Views

    FILE NO. SVM-04022 2. CONSTRUCTION VIEWS 2-1. Indoor Unit Front panel Air inlet Air Filter Heat exchanger Plasma air purifier Air outlet Knock out system Knock out system Hanger Back body Connecting pipe (0.43 m) Drain hose (0.54 m) (Flare ∅6.35) Hanger Connecting pipe (0.33 m) (For 13 series ;...

  • Page 9: Outdoor Unit

    FILE NO. SVM-04022 2-2. Outdoor Unit (RAS-13UAH-E3, RAS-10UAH-E3, RAS-13UA-E3, RAS-10UA-E3) 32.5 A Detail Drawing (Back Leg) B Detail Drawing (Front Leg) ∅6 Hole ∅6 Hole ∅11 x 14 Hole R5.5 ∅30 Drain outlet 2-∅11 x 14 Hole (For ∅8-∅10 anchor bolt) FAN GUARD ∅436 COVER PV...

  • Page 10: Outdoor Unit (Ras-07Uah-E3, Ras-07Ua-E3)

    FILE NO. SVM-04022 2-3. Outdoor Unit (RAS-07UAH-E3, RAS-07UA-E3) A Detail Drawing (Back Leg) B Detail Drawing (Front Leg) R 15 ∅6 Hole ∅6 Hole R 15 ∅11x14 Hole R 5.5 ∅25Drain outlet 2-∅11x14 hole (for ∅8-∅10 anchor bolt) Fan guard Cover PV ∅420 (11)

  • Page 11: Wiring Diagram

    FILE NO. SVM-04022 WIRING DIAGRAM 3-1. RAS-13NKHD-E / RAS-13UAH-E3 73°C INFRARED RAYS RECEIVE Louver THERMAL FUSE AND INDICATION PARTS Motor 9 10 9 10 CN25 9 10 CN04 CN07 9 10 CN34 CN13 DC12V SG01 POWER SUPPLY DC12V VARISTOR CIRCUIT DC5V T6.3A 250V...

  • Page 12: Ras-07Nkhd-E / Ras-07Uah-E3

    FILE NO. SVM-04022 3-2. RAS-10NKHD-E / RAS-10UAH-E3 RAS-07NKHD-E / RAS-07UAH-E3 73°C INFRARED RAYS RECEIVE THERMAL FUSE Louver AND INDICATION PARTS 9 10 Motor 9 10 CN25 9 10 CN04 CN07 9 10 CN34 CN13 DC12V SG01 POWER SUPPLY DC12V VARISTOR CIRCUIT DC5V T6.3A 250V...

  • Page 13: Ras-13Nkd-E / Ras-13Ua-E3

    FILE NO. SVM-04022 3-3. RAS-13NKD-E / RAS-13UA-E3 73°C INFRARED RAYS RECEIVE THERMAL FUSE Louver AND INDICATION PARTS Motor 9 10 9 10 CN25 9 10 CN04 CN07 9 10 CN34 CN13 DC12V SG01 POWER SUPPLY DC12V VARISTOR CIRCUIT T6.3A 250V DC5V Power Cord GRN &...

  • Page 14: Ras-10Nkd-E / Ras-10Ua-E3

    FILE NO. SVM-04022 3-4. RAS-10NKD-E / RAS-10UA-E3 RAS-07NKD-E / RAS-07UA-E3 73°C INFRARED RAYS RECEIVE THERMAL FUSE Louver AND INDICATION PARTS 9 10 Motor 9 10 CN25 9 10 CN04 CN07 9 10 CN34 CN13 DC12V SG01 POWER SUPPLY DC12V VARISTOR CIRCUIT T6.3A 250V DC5V...
  • Page 15 FILE NO. SVM-04022 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit (RAS-13NKHD-E, RAS-10NKHD-E, RAS-07NKHD-E) Parts name Type Specifications Fan motor (for indoor) SKF-220-20-4A-1 AC Motor with 150°C thermo fuse Thermo sensor (TA-sensor) 10kΩ at 25°C Switching transformer SWT-77 Microcontroller unit (IC30)
  • Page 16 FILE NO. SVM-04022 4-3. Outdoor Unit (RAS-10UAH-E3) Parts name Type Specifications Output (Rated) 750 W, 2 poles, 1 phase, 220 − 240 V, 50Hz Ω Compressor PH120T1-4C Winding resistance ( ) ° (at 20 C) 4.53 8.73 Output (Rated) 20 W, 6 poles, 1 phase, 220 − 240 V, 50Hz HF-240-20B or Ω...
  • Page 17 FILE NO. SVM-04022 4-5. Indoor Unit (RAS-13NKD-E, RAS-10NKD-E, RAS-07NKD-E) Parts name Type Specifications Fan motor (for indoor) SKF-220-20-4A-1 AC Motor with 150°C thermo fuse Thermo sensor (TA-sensor) ——— 10kΩ at 25°C Switching transformer SWT-77 Microcontroller unit (IC30) TMP87CM40AN Heat exchanger sensor ———...
  • Page 18 FILE NO. SVM-04022 4-7. Outdoor Unit (RAS-10UA-E3) Parts name Type Specifications Output (Rated) 750 W, 2 poles, 1 phase, 220 − 240 V, 50Hz Compressor PH102T1-4CH Winding resistance (Ω) (at 20°C) 3.17 5.18 Output (Rated) 20 W, 6 poles, 1 phase, 220 − 240 V, 50Hz HF-240-20B or Fan motor (for outdoor) Winding resistance (Ω)
  • Page 19 FILE NO. SVM-04022 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-13NKHD-E / RAS-13UAH-E3 Indoor unit Heat exchanger Cooling 0.39 m 0.49 m Heating (Connecting pipe) (Connecting pipe) ∅12.7 ∅6.35 Cross flow fan O.D.:12.7 mm O.D.:6.35 mm Packed valve Packed valve (∅12.7) (∅6.35)
  • Page 20 FILE NO. SVM-04022 5-2. RAS-10NKHD-E / RAS-10UAH-E3 Indoor unit Heat exchanger Cooling 0.39 m 0.49 m Heating (Connecting pipe) (Connecting pipe) ∅9.52 ∅6.35 Cross flow fan O.D.:9.52 mm O.D.:6.35 mm Packed valve Packed valve (∅9.52) (∅6.35) Heating Cooling 4-way valve Heating Cooling Compressor PH120T1-4C Capillary tube...
  • Page 21 FILE NO. SVM-04022 5-3. RAS-07NKHD-E / RAS-07UAH-E3 Indoor unit Heat exchanger Cooling 0.39m 0.49m Heating (Connecting pipe) (Connecting pipe) ∅9.52 ∅6.35 Cross flow fan O.D.:9.52mm O.D.:6.35mm Packed valve Packed valve (∅6.35) (∅9.52) Heating Cooling 4-way valve Heating Cooling Compressor PH80T1-4C Capillary tube ∅1.0x800S (2 pcs.)
  • Page 22 FILE NO. SVM-04022 5-4. RAS-13NKD-E / RAS-13UA-E3 Indoor unit Heat exchanger Cooling 0.49 m 0.39 m (Connecting pipe) (Connecting pipe) ∅6.35 ∅12.7 Cross flow fan O.D.:12.7 mm O.D.:6.35 mm Packed valve Packed valve (∅12.7) (∅6.35) Cooling Cooling Compressor PH225X2C-4FT Capillary tube ∅1.7 x 1000l Heat exchanger Refrigerant...
  • Page 23 FILE NO. SVM-04022 5-5. RAS-10NKD-E / RAS-10UA-E3 Indoor unit Heat exchanger Cooling 0.39 m 0.49 m (Connecting pipe) (Connecting pipe) ∅9.52 ∅6.35 Cross flow fan O.D.:9.52 mm O.D.:6.35 mm Packed valve Packed valve (∅9.52) (∅6.35) Cooling Cooling Compressor PH102T1-4CH Capillary tube ∅1.5 x 1000l Heat exchanger Refrigerant...
  • Page 24 FILE NO. SVM-04022 5-6. RAS-07NKD-E / RAS-07UA-E3 Indoor unit Heat exchanger Cooling 0.39m 0.49m (Connecting pipe) (Connecting pipe) ∅9.52 ∅6.35 Cross flow fan O.D.:9.52mm O.D.:6.35mm Packed valve Packed valve (∅9.52) (∅6.35) Cooling Cooling Compressor PH80T1-4C Capillary tube ∅1.5x1200S Heat exchanger Refrigerant R-22 : 0.57 kg.

  • Page 25: Control Block Diagram

    FILE NO. SVM-04022 6. CONTROL BLOCK DIAGRAM 6-1. Heat Pump model M.C.U. Main Unit Control Panel Operation Heat Exchange sensor Functions Display Timer •ı Louver Control Thermo. Sensor Display Filter Sign •ı3-minutes Delay at Restart Infrared Rays Signal Reciver Display for Compressor •ıAir-purifier control Hi Power...

  • Page 26: Cooling Model

    FILE NO. SVM-04022 6-2. Cooling model Main Unit Control Panel M.C.U. Operation Heat Exchange sensor Functions Display Timer • Louver Control Display Thermo. Sensor Filter Sign Display • 3-minutes Delay at Restart Infrared Rays Signal Reciver for Compressor Hi Power •ıAir-purifier control Sign Display •...

  • Page 27: Operation Description

    FILE NO. SVM-04022 7. OPERATION DESCRIPTION 7-1. Outline of Air Conditioner Control 7-1-1. Louver control (1) Vertical air flow louver This is a fixed-capacity type of air conditioner with a Position of veritcal air flow louver is automatically Plasma Air-Purifier consisting of an AC fan motor for controlled according to the operation mode.

  • Page 28: Description Of Operation Circuit

    FILE NO. SVM-04022 7-2-2. Cooling operation 7-2. Description of Operation Circuit ([MODE] button on the remote control is set (1) When turning on the breaker, the operation lamp to the cooling operation.) blinks. This means that the power is on (or the (1) The compressor, outdoor fan and operation power supply is cut off.) display on the remote control are controlled as...
  • Page 29 FILE NO. SVM-04022 7-2-3. Dry operation 7-2-4. Heating operation (NKHD Series only) ([MODE] button on the remote control is set ([MODE] button on the remote control is set to the dry operation.) to the heating operation.) (1) The compressor, 4-way valve, outdoor fan and (1) The compressor, 4-way valve, outdoor fan and operation display on the remote control are operation display on the remote control are...

  • Page 30: Cooling Operation

    FILE NO. SVM-04022 (3) The indoor heat exchanger restricts revolving 7-2-5. Automatic operation speed of the fan motor to prevent a cold draft. ([MODE] button on the remote control is set The upper limit of the revolving speed is shown in to the automatic operation.) in Fig.
  • Page 31 FILE NO. SVM-04022 (1) Operation flow chat. START OPERATION LED ON PAP LED ON Less than 1 hour Indoor fan ON 1 hour later Air-Purlfier OFF Air-Purlfier ON Error after 1 minute Error within 1 minute Operation confirm PAP LED ON FILTER LED ON No error Air-Purifier OFF...
  • Page 32 FILE NO. SVM-04022 (2) The indoor fan motor and Plasma Air-Purifier operation. • When Plasma Air-Purifier has been operated with other operation of air conditioner mode (Fan only, AUTO, Cooling, Dry or Heat). The speed revolution of indoor fan is based upon the operated mode of air conditioner. In fact, Plasma Air-Purifier works continuously.

  • Page 33: Hi Power Mode

    FILE NO. SVM-04022 7-3. Hi POWER Mode 7-4. High-Temperature Limit Control ([Hi POWER] button on the remote (NKHD Series only) control is pressed.) The microcontroller detects the indoor heat exchanger temperature to prevent pressure of a refrigerating cycle When [Hi POWER] button is pressed while the indoor from increasing excessively.

  • Page 34: Defrost Operation (Nkhd Series Only)

    FILE NO. SVM-04022 <In case of C> 7-6. Defrost Operation (NKHD Series only) (1) The heating operation is performed for at least 90 During the heating operation, the outdoor heat minutes. exchanger temperature goes down and sometimes it is frozen. (2) The defrost operating time is 10 minutes.

  • Page 35: Current Limit Control (Nkhd Series Only)

    FILE NO. SVM-04022 7-7. Current Limit Control (NKHD Series only) The microcontroller detects the input current so as to prevent it exceeds a specified value by means of controlling the outdoor fan control as described in (1) and (2). (1) Current limit control (Cooling operation) Control is performed as shown below by detecting the compressor operating current with a current sensor (C.T).

  • Page 36: Auto Restart Function

    FILE NO. SVM-04022 7-8-1. How to set auto restart function 7-8. Auto Restart Function To set the auto restart function, proceed as follows: The indoor unit is equipped with an automatic The power supply to the unit must be on; the function restarting function which allows the unit to restart will not set if the power is off.

  • Page 37: Filter Check Lamp

    FILE NO. SVM-04022 7-8-2. How to cancel auto restart function To cancel auto restart function, proceed as follows: Repeat the setting prodedure: the unit receives the signal and beeps three times. The unit will be required to be turned on with the remote control after the main power supply is turned off.

  • Page 38: Self-Cleaning Function

    FILE NO. SVM-04022 7-10. Self-Cleaning function Self-Cleaning function is designed to reduce humidity that causes mold to form inside the air conditioning unit. This advanced, efficient system reduces moisture in the coil. When air conditioner is turned off, the internal fan activates and dries the moisture in the coil for 20 minutes, then it turns off automatically.

  • Page 39: Installation Procedure

    Also, make sure the equipment is properly earthed. • Appliance shall be installed in accordance with national wiring regulations. If you detect any damage, do not install the unit. Contact your TOSHIBA dealer immediately. CAUTION • Exposure of unit to water or other moisture before installation could result in electric shock.
  • Page 40 FILE NO. SVM-04022 REQUIREMENT OF REPORT TO THE LOCAL POWER SUPPLIER Please make absolutely sure that the installation of this appliance is reported to the local power supplier before installation. If you experience any problems, or if the installation is not accepted by the supplier, the service agency will take adequate countermeasures.

  • Page 41: Installation Diagram Of Indoor And Outdoor Units

    FILE NO. SVM-04022 8-2. Installation Diagram of Indoor and Outdoor Units For the rear left and left piping Hook Installation plate Wall Insert the cushion between the indoor unit and wall, and tilt the indoor unit for better operation. Shield Do not allow the drain hose pipe to get slack.

  • Page 42: Installation

    FILE NO. SVM-04022 8-3. Installation 8-3-1. Optional installation parts Part Parts name Q’ty Code Refrigerant piping Liquid side : ∅6.35 mm : ∅9.52 mm (07, 10 series) Gas side each : ∅12.70 mm (13 series) Gas side Pipe insulating material (polyethylene foam, 6 mm thick) Putty, PVC tapes each...
  • Page 43 FILE NO. SVM-04022 8-3-2. Accessory and installation parts Part Part Part Part name (Q’ty) Part name (Q’ty) Part name (Q’ty) Mounting screw ∅4 x 25 s x 6 Installation plate x 1 Battery x 2 Wireless remote control x 1 Zeolite-plus filter x 1 Plasma air purifier x 1 Name...

  • Page 44: Indoor Unit

    FILE NO. SVM-04022 8-4-2. Cutting a hole and mounting installation 8-4. Indoor Unit plate 8-4-1. Installation place <Cutting a hole> • A place which provides the spaces around the When installing the refrigerant pipes from the rear. indoor unit as shown in the above diagram. •...
  • Page 45 Anchor bolt NOTE • Ensure all wiring is used within its electrical rating. Projection 15 mm or less 5 mm dia. hole RAS-10NKHD-E RAS-13NKHD-E RAS-10NKD-E Model RAS-13NKD-E RAS-07NKD-E 5 Mounting screw ∅4 x 25s s s s s 50Hz, 220 − 240 V Single phase...
  • Page 46 FILE NO. SVM-04022 8-4-4. Wiring connection <Stripping length of the power cord> <How to connect the power cord> 40 mm Earth line 10 mm For the air conditioner that does not have power cord, connect a power cord to it as mentioned below.
  • Page 47 FILE NO. SVM-04022 <How to connect the connecting cable> For RAS-07,10,13NKD-E Wiring of the connecting cable can be carried out Cord clamp without removing the front panel. Terminal Terminal block cover 1. Remove the air inlet grille. Screw Open the air inlet grille upward and pull it toward Connecting you.
  • Page 48 FILE NO. SVM-04022 8-4-5. Piping and drain hose installation How to fix the drains cap 1) Insert hexagonal wrench (4 mm) in a center <Piping and drain hose forming> head. * Since dewing results in a machine trouble, make sure to insulate both the connecting pipes. (Use polyethylene foam as insulating material.) 4 mm Rear right...
  • Page 49 FILE NO. SVM-04022 <Left-hand connection with piping> 8-4-6. Indoor unit fixing Bend the connecting pipe so that it is laid within 43 mm 1. Pass the pipe through the hole in the wall, and hook above the wall surface. If the connecting pipe is laid the indoor unit on the installation plate at the upper exceeding 43 mm above the wall surface, the indoor hooks.

  • Page 50: Outdoor Unit

    FILE NO. SVM-04022 8-4-7. Drainage 8-5. Outdoor Unit 1. Run the drain hose sloped downwards. 8-5-1. Installation place • A place which provides the spaces around the NOTE outdoor unit as shown in the left diagram. • Hole should be made at a slight downward slant on •...
  • Page 51 FILE NO. SVM-04022 8-5-2. Refrigerant piping connection (Unit : N·m) Outer dia. 1. Cut the pipe with a pipe cutter. Tightening torque of copper pipe ∅6.35 16 to 18 (1.6 to 1.8 kgf·m) Roughness Warp Obliquity 90° ∅9.52 30 to 42 (3.0 to 4.2 kgf·m) ∅12.70 50 to 62 (5.0 to 6.2 kgf·m) Fig.
  • Page 52 FILE NO. SVM-04022 8-5-3. Evacuating <Packed valve handling precautions> • Open the valve stem all the way out; but do not try After the piping has been connected to the indoor unit, you can perform the air purge together at once. to open it beyond the stopper.

  • Page 53: How To Set Remote Control Selector Switch

    FILE NO. SVM-04022 8-5-4. Wiring connection 8-6. How to Set Remote Control Selector Switch 1. Remove the valve cover from the outdoor unit. 2. Connect the connecting cable to the terminal as When two indoor units ae installed in seperated rooms, identified with their respective matched numbers on there is no need to change the selector switch.

  • Page 54: Others

    FILE NO. SVM-04022 2. Set the remote control selector switch with the 8-7. Others remote control 8-7-1. Gas leak test [B] is indicated on the liquid crystal display when setting remote control selector switch to B. [A] is not indicated on the display even if the selector switch is set to A.

  • Page 55: Troubleshooting Chart

    FILE NO. SVM-04022 9. TROUBLESHOOTING CHART 9-2-2. Incorrect cable connection between Indoor 9-1. Troubleshooting Procedure and outdoor units Follow the details of 9-2. Basic Chec k Items . The indoor unit is connected to the outdoor unit with If there is no trouble corresponding to 9-2, check 3 cables (Cooling Only model) or 5 cables (Heat Pump whether or not there are faulty parts following model).

  • Page 56: Primary Judgement

    FILE NO. SVM-04022 9-3-2. Failure diagnosis 9-3. Primary Judgement The indoor unit diagnoses the operation condition and 9-3-1. Role of indoor unit controller indicates the information of the self-diagnosis with the The indoor unit controller receives the operation lamps on the display panel of the indoor unit. commands from the remote control and executes them.

  • Page 57: Self-Diagnosis By Remote Control (Check Code)

    FILE NO. SVM-04022 9-4. Self-Diagnosis by Remote Control (Check Code) (1) If the lamps are indicated as shown B to G in Table 9-3-1, exchanger the self-diagnosis by the remote control. (2) When the remote control is set to the service mode, the indoor controller diagnoses the operation condition and indicate the information of the self-diagnosis on the display of the remote...
  • Page 58 FILE NO. SVM-04022 Table 9-4-1 Block level Diagnosis function Judgement and action Check Check Block Symptom Conditioner Condition code code status Indoor Thermo. sensor Indicated Continued 1. Check thermo sensor. P.C. board short/break. operation. when detected 2. If it is OK, check abnormal P.C.

  • Page 59: Troubleshooting Flowcharts

    FILE NO. SVM-04022 9-5. Troubleshooting Flowcharts 9-5-1. Power can not be turned on (No operation at all) <Preliminary checks> (1) Is the supply voltage normal? (2) Is the connection to the AC output OK.? Operation Check Items Main cause Shut off the power supply from AC outlet once and Countermeasure turn it on after 5 seconds.
  • Page 60 Return the wiring of the Is it wired as shown Does the OPERATION power relay is returned to in Figure below? lamp blink? the normal procedure. To the paragraph of No Power turns on . RAS-13NKHD-E Blue Brown Black White CN31 RY01 Indoor terminal...
  • Page 61 FILE NO. SVM-04022 RAS-07NKHD-E, RAS-10NKHD-E Blue Brown Black White Bind Band CN31 RY01 Indoor terminal block Double winding PC-Board RAS-07NKD-E, RAS-10NKD-E, RAS-13NKD-E Blue Brown Black White CN31 RY01 Indoor terminal block PC-Board − 60 −...
  • Page 62 FILE NO. SVM-04022 9-5-3. Outdoor unit does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds. Does the OPERATION lamp blink? See Power cannot be turned on . Does the power turn on by pushing the [ ] button See Power cannot be turned on .
  • Page 63 FILE NO. SVM-04022 9-5-4. Only compressor does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds. See Power cannot be turned on . Does the OPERATION lamp blink? Does the power turn on by See Power cannot be turned on .
  • Page 64 FILE NO. SVM-04022 9-5-5. Only outdoor fan does not operate Shut off the power supply from AC outlet once and turn it on after 5 seconds. Does the OPERATION lamp blink? See Power cannot be turned on . Does the power turn on by pushing the [ ] button See Power cannot be turned on .
  • Page 65 FILE NO. SVM-04022 9-5-6. Only 4-Way valve does not operate (During heating operation) Heat Pump Model Shut off the power supply from AC outlet once and turn it on after 5 seconds. Does the OPERATION lamp blink? See "Power can not be turned on". Does the power turn on by See "Power can not be turned on".
  • Page 66 FILE NO. SVM-04022 9-5-7. Only the indoor fan does not operate <Check procedure> Shut off the power supply once. Turn the power supply. Does the fan stop in Replace the P.C. board. Control P.C. board is defective. no operating status? Start the operation with low fan setting in cool operation.

  • Page 67: Troubleshooting For Remote Control (Including The Indoor P.c. Board)

    FILE NO. SVM-04022 9-6. Troubleshooting for Remote Control (Including the Indoor P.C. Board) There is no beep from the indoor unit. The OPERATION lamp of Press the [ ] button. the air conditioner main unit does not light. Does the transmission indicator blink? Reset the remote control by use the tip pencil push...
  • Page 68 FILE NO. SVM-04022 9-6-1. How to check the P.C. board (2) Inspection procedures 1) When a P.C. board is judged to be defective, (1) Operating precautions check for disconnection, burning, or discolora- 1) When removing the front panel or the P.C. board, tion of the copper foil pattern or this P.C.
  • Page 69 FILE NO. SVM-04022 (3) Checking procedure Table 9-6-1 Procedure Check Point (Symptom) Causes Shut off the power supply and 1. Is the fuse blown? 1. Application of shock voltage. remove the P.C. board assembly Overload by short-circuit of the from the electronic parts base. parts.
  • Page 70 FILE NO. SVM-04022 Table 9-6-2. Approximate resistance value of thermo sensor (kΩ) Temperature 0°C 10°C 20°C 25°C 30°C Resistance value 33.8 20.35 12.59 10.00 7.99 9-6-2. How to shorten time of restart delay timer 1 Press [SET] button while pressing [CHECK] button with a tip of a pencil.

  • Page 71: Troubleshooting For Air Purifier And Minus Ion

    FILE NO. SVM-04022 9-7. Troubleshooting for Air Purifier and Minus Ion 9-7-1. How to Check Whether the Air Purifier is Good or Not Turn off the power breaker once, and turn on again after 10 seconds. Does the OPERATION lamp blink? To item Power supply is not turned on Turn off the power breaker and remove CN34 (Micro switch connector).
  • Page 72 FILE NO. SVM-04022 9-7-2. How to Check Whether the Minus Ion Generator is Good or Not Turn off the power breaker once, and turn on again after 10 seconds. Does the OPERATION lamp blink? To item Power supply is not turned on Turn off the power breaker and remove CN34 (Micro switch connector).

  • Page 73: Part Replacement

    FILE NO. SVM-04022 10. PART REPLACEMENT 10-1. Indoor Unit Part name Procedures Remarks Front panel How to remove the front panel 2 Air inlet grille 1) Stop the operation of the air conditioner and turn off its main power supply. 2) Pull the air inlet grille toward you to open it and remove the air inlet grille.
  • Page 74 FILE NO. SVM-04022 Part name Procedures Remarks Electrical part How to remove the electrical part 1) Remove the front panel with procedure 1. 2) Remove the screw holding the electrical part cover. 3) Disconnect the 2 connectors (3P) for the fan 2 Screw motor, the connector (5P) for the louver motor from the P.C.
  • Page 75 FILE NO. SVM-04022 Part name Procedures Remarks Heat exchanger 1) Remove the front panel, electrical part following procedure 2. 2) Remove the pipe holder at the rear side of main unit. 3) Remove the 2 screws on the heat exchanger at the base bearing.

  • Page 76: Outdoor Unit

    FILE NO. SVM-04022 10-2. Outdoor Unit Part name Procedures Remarks 2 Screws ∅4 x 22L Common 1) Stop the operation of air-conditioner, and Cord clamp procedure disconnect the power cord from the AC Electric supply. parts cover 2) Remove packed valve cover and Electric parts cover.
  • Page 77 FILE NO. SVM-04022 Part name Procedures Remarks 1) Perform the common procedure 1. Capacitor for Screws Capacitor band ∅4 x 10L compressor 2) Remove the fixing screw and the capacitor band. (1 Screw ∅4 x 8L for 10UA, 13UA) (1 Screw ∅4 x 10L for 07UA) 3) Disconnect the lead wires.

  • Page 78: Exploded Views And Parts List

    43T69004 TC Sensor 10kΩ 25°C 43T69005 Sensor,Thermostat 10k Ω 25°C 43T69411 P.C Board (RAS-07NKHD-E) 43T69412 P.C Board (RAS-10NKHD-E) 43T69416 P.C. Board ASSY, WRS-LED 43T69413 P.C Board (RAS-13NKHD-E) MCC-861 43T51305 MICRO SWITCH 43T69364 Fuse, Temperature, 73°C 43T60355 POWER CORD − 77 −...

  • Page 79: Indoor Unit

    FILE NO. SVM-04022-1 11-2. Indoor Unit * Minus Ionizer include with Electrical Supply Assy Location Part Location Part Description Description 43T11302 Pipe Shield (For 13 Series) 43T00404 Front Panel Assy 43T09336 Inlet Grille Assy 43T19302 Holder Sensor 43T03314 Back Body Assy 43T49302 Plate of Eva Seal 43T49006...

  • Page 80: Outdoor Unit (Ras-13Uah-E3)

    FILE NO. SVM-04022 11-3. Outdoor Unit (RAS-13UAH-E3) Location Part Location Part Description Description ∅1.5ID 43T00368 Front cabinet assembly 43T47011 Capillary Tube 43T41764 Compressor (PH170T2-4L2) 43T03306 Back cabinet assembly 43T47324 Bolt compressor(M6) 43T42310 Base cabinet assembly 43T49008 Cushion rubber 43T00396 Upper cabinet assembly 43T52310 Packed valve cover assembly 43T09318 Guard fan 43T55304 Capacitor Plastic film (3 5 μ...

  • Page 81: Outdoor Unit (Ras-10Uah-E3)

    FILE NO. SVM-04022 11-4. Outdoor Unit (RAS-10UAH-E3) Location Part Location Part Description Description ∅1.5ID 43T00368 Front cabinet assembly 43T47011 Capillary Tube 43T41400 Compressor (P H120T1-4C) 43T03308 Back cabinet assembly 43T47325 Bolt compressor(M6) 43T42311 Base cabinet assembly 43T49001 Cushion rubber 43T00395 Upper cabinet assembly 43T52310 Packed valve cover assembly 43T09318 Guard fan 43T55305 Capacitor Plastic film (25 μ...

  • Page 82: Outdoor Unit (Ras-07Uah-E3)

    FILE NO. SVM-04022 11-4. Outdoor Unit (RAS-07UAH-E3) 10, 11 08 , 09 : CAPILLARY TUBE Location Part Location Part Description Description 43T19313 Guard, Fan 43T49001 Cushion, Rubber 43T20306 Fan, Propeller 43T63001 Holder Ol-Relay 43T00398 Front Cabinet Coating Assembly 43T54302 Relay Overload 43T41304 Compressor (PH80T1-4C) 43T43350 Condenser Assembly 43T62304 Electric Parts Cover...

  • Page 83: Outdoor Unit (Ras-13Ua-E3)

    FILE NO. SVM-04022 11-5. Outdoor Unit (RAS-13UA-E3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47333 Bonnet 12.7 Dia 43T03306 Back cabinet assembly 43T63303 Finxing plate valve 43T42309 Base coat assembly 43T47014 Capillary tube 1.7 Dia 43T09318 Guard Fan 43T41348 Compressor (PH225X2C-4FT) 43T62311 Electric part cover 43T47324 Bolt compressor (M6)

  • Page 84: Outdoor Unit (Ras-10Ua-E3)

    FILE NO. SVM-04022 11-6. Outdoor Unit (RAS-10UA-E3) Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T63303 Finxing plate valve 43T03308 Back cabinet assembly 43T47011 Capillary tube 1.5 Dia 43T42311 Base coat assembly 43T41339 Compressor (PH102T1-4CH) 43T09318 Guard Fan 43T47325 Bolt compressor (M6) 43T62311 Electric part cover 43T49001 Cushion rubber...

  • Page 85: Outdoor Unit (Ras-07Ua-E3)

    FILE NO. SVM-04022 11-7. Outdoor Unit (RAS-07UA-E3) 10, 11 08 , 09 : CAPILLARY TUBE Location Part Location Part Description Description 43T19313 Guard, Fan 43T19312 Handle 43T20306 Fan, Propeller 43T49001 Cushion, Rubber 43T00398 Front Cabinet Coating Assembly 43T63001 Holder Ol-Relay 43T43340 Condenser Assembly 43T54302 Relay Overload 43T62304 Electric Parts Cover...
  • Page 86 FILE NO. SVM-04021 TOSHIBA CARRIER (THAILAND) CO., LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND. – 73 –...

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