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Toshiba RAS-13UKHP-ES2 Service Manual
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Toshiba RAS-13UKHP-ES2 Service Manual

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SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE
RAS-13UKHP-ES2 / RAS-13UAH-ES2
RAS-13UKHP-AS2 / RAS-13UAH-AS2
RAS-10UKHP-ES2 / RAS-10UAH-ES2
RAS-10UKHP-AS2 / RAS-10UAH-AS2
RAS-13UKP-ES2 / RAS-13UA-ES2
RAS-13UKP-AS2 / RAS-13UA-AS2
RAS-10UKP-ES2 / RAS-10UA-ES2
RAS-10UKP-AS2 / RAS-10UA-AS2
FILE NO. SVM-03001
Feb., 2003

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Summary of Contents for Toshiba RAS-13UKHP-ES2

  • Page 1: Service Manual

    FILE NO. SVM-03001 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-13UKHP-ES2 / RAS-13UAH-ES2 RAS-13UKHP-AS2 / RAS-13UAH-AS2 RAS-10UKHP-ES2 / RAS-10UAH-ES2 RAS-10UKHP-AS2 / RAS-10UAH-AS2 RAS-13UKP-ES2 / RAS-13UA-ES2 RAS-13UKP-AS2 / RAS-13UA-AS2 RAS-10UKP-ES2 / RAS-10UA-ES2 RAS-10UKP-AS2 / RAS-10UA-AS2 Feb., 2003...

  • Page 2: Table Of Contents

    RAS-13UKP-AS2 / RAS-13UA-AS2 3-4 RAS-10UKP-ES2 / RAS-10UA-ES2 RAS-10UKP-AS2 / RAS-10UA-AS2 SPECIFICATION OF ELECTRICAL PARTS 4-1 Indoor Unit (RAS-13UKHP-ES2, RAS-13UKHP-AS2, RAS-10UKHP-ES2, RAS-10UKHP-AS2) 4-2 Outdoor Unit (RAS-13UAH-ES2, RAS-13UAH-AS2, RAS-13UA-ES2, RAS-13UA-AS2) 4-3 Outdoor Unit (RAS-10UAHP-ES2, RAS-10UAH-AS2) 4-4 Indoor Unit (RAS-13UKP-ES2, RAS-13UKP-AS2, RAS-10UKP-ES2, RAS-10UKP-AS2)
  • Page 3 FILE NO. SVM-03001 OPERATION DESCRIPTION 7-1 Outline of Air Conditioner Control 7-2 Description of Operation Circuit 7-3 Hi POWER Mode 7-4 High-Temperature Limit Control 7-5 Low-Temperature Limit Control 7-6 Auto Restart Function 7-7 Filter Check Lamp INSTALLATION PROCEDURE 8-1 Safety Cautions 8-2 Installation Diagram of Indoor and Outdoor Units 8-3 Installation 8-4 Indoor Unit...

  • Page 4: Specifications

    FILE NO. SVM-03001 1. SPECIFICATIONS MODEL RAS-13UKHP-ES2, AS2 RAS-13UKP-ES2, AS2 RAS-13UAH-ES2, AS2 RAS-13UA-ES2, AS2 ITEM Cooling Heating Cooling 220V 240V 220V 240V 220V 240V Capacity 3.60 3.60 4.20 4.26 3.75 3.75 Phase 1∅ Power source 220 – 240 Power consumption 1.10...
  • Page 5 FILE NO. SVM-03001 MODEL RAS-10UKHP-ES2, AS2 RAS-10UKP-ES2, AS2 RAS-10UAH-ES2, AS2 RAS-10UA-ES2, AS2 ITEM Cooling Heating Cooling 220V 240V 220V 240V 220V 240V Capacity 2.70 2.70 2.90 2.96 2.70 2.70 Phase 1∅ Power source 220 – 240 Power consumption 0.82 0.84 0.78 0.82 0.82...
  • Page 6 Outdoor unit inlet air temperature (WB) 24°C 6°C Note : 2 • Charge refrigerant according to the table below. RAS-13UKHP-ES2 / RAS-13UAH-ES2 RAS-10UKHP-ES2 / RAS-10UAH-ES2 RAS-13UKHP-AS2 / RAS-13UAH-AS2 RAS-10UKHP-AS2 / RAS-10UAH-AS2 Refrigerant RAS-13UKP-ES2 / RAS-13UA-ES2 RAS-10UKP-ES2 / RAS-10UA-ES2 RAS-13UKP-AS2 / RAS-13UA-AS2...

  • Page 7: Construction Views

    FILE NO. SVM-03001 2. CONSTRUCTION VIEWS 2-1. Indoor Unit Front panel Air filter Air inlet Heat exchanger Back body Air outlet Knock out system Knock out system Hanger Connecting pipe (0.43m) Drain hose (0.54m) (Flare ∅6.35) Hanger Connecting pipe (0.33m) (For 13 series ;...

  • Page 8: Outdoor Unit

    FILE NO. SVM-03001 2-2. Outdoor Unit 32.5 A Detail Drawing (Back Leg) B Detail Drawing (Front Leg) ∅6 Hole ∅6 Hole ∅11x14 Hole R5.5 ∅30 Drain outlet 2-∅11x14 Hole (For ∅8-∅10 anchor bolt) ∅436 FAN GUARD COVER PV Electrical part cover Liquid side (Flare ∅6.35) Gas side...

  • Page 9: Wiring Diagram

    FILE NO. SVM-03001 3. WIRING DIAGRAM 3-1. RAS-13UKHP-ES2 / RAS-13UAH-ES2 RAS-13UKHP-AS2 / RAS-13UAH-AS2 Louver motor INFRARED RAYS RECEIVE AND INDICATION PARTS 4 5 6 7 8 9 10 11 CN25 4 5 6 7 8 9 10 11 4 5 6 7 8 9 10 11...

  • Page 10: Ras-10Ukhp-Es2 / Ras-10Uah-Es2

    FILE NO. SVM-03001 3-2. RAS-10UKHP-ES2 / RAS-10UAH-ES2 RAS-10UKHP-AS2 / RAS-10UAH-AS2 Louver motor INFRARED RAYS RECEIVE AND INDICATION PARTS 4 5 6 7 8 9 10 11 CN25 4 5 6 7 8 9 10 11 4 5 6 7 8 9 10 11 CN04 CN07 CN13...

  • Page 11: Ras-13Ukp-Es2 / Ras-13Ua-Es2

    FILE NO. SVM-03001 3-3. RAS-13UKP-ES2 / RAS-13UA-ES2 RAS-13UKP-AS2 / RAS-13UA-AS2 Louver motor INFRARED RAYS RECEIVE AND INDICATION PARTS 4 5 6 7 8 9 10 11 CN25 4 5 6 7 8 9 10 11 4 5 6 7 8 9 10 11 CN04 CN07 CN13...

  • Page 12: Ras-10Ukp-Es2 / Ras-10Ua-Es2

    FILE NO. SVM-03001 3-4. RAS-10UKP-ES2 / RAS-10UA-ES2 RAS-10UKP-AS2 / RAS-10UA-AS2 Louver motor INFRARED RAYS RECEIVE AND INDICATION PARTS 4 5 6 7 8 9 10 11 CN25 4 5 6 7 8 9 10 11 4 5 6 7 8 9 10 11 CN04 CN07 CN13...

  • Page 13: Specification Of Electrical Parts

    FILE NO. SVM-03001 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit (RAS-13UKHP-ES2, RAS-13UKHP-AS2, RAS-10UKHP-ES2, RAS-10UKHP-AS2) Parts name Type Specifications Fan motor (for indoor) MMF-240-20-4A-1 AC Motor with 135°C thermo fuse Thermo sensor (TA-sensor) ——— 10kΩ at 25°C Switching transformer (T01)

  • Page 14: Outdoor Unit (Ras-10Uahp-Es2, Ras-10Uah-As2)

    FILE NO. SVM-03001 4-3. Outdoor Unit (RAS-10UAH-ES2, RAS-10UAH-AS2) Parts name Type Specifications Output (Rated) 750W, 2poles, 1 phase, 220 – 240V, 50Hz Compressor PA108X1T-4FZ1 Winding resistance (Ω) (at 20°C) 3.89 4.51 Output (Rated) 30W, 6poles, 1 phase, 220 – 240V, 50Hz Fan motor (for outdoor) HF-240-30B Winding resistance (Ω)

  • Page 15: Outdoor Unit (Ras-10Ua-Es2, Ras-10Ua-As2)

    FILE NO. SVM-03001 4-5. Outdoor Unit (RAS-10UA-ES2, RAS-10UA-AS2) Parts name Type Specifications Output (Rated) 750W, 2poles, 1 phase, 220 – 240V, 50Hz Compressor PA108X1T-4FZ1 Winding resistance (Ω) (at 20°C) 3.89 4.51 Output (Rated) 20W, 6poles, 1 phase, 220 – 240V, 50Hz Fan motor (for outdoor) HF-240-20B Winding resistance (Ω)

  • Page 16: Refrigeration Cycle Diagram

    FILE NO. SVM-03001 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-13UKHP-ES2 / RAS-13UAH-ES2 RAS-13UKHP-AS2 / RAS-13UAH-AS2 Indoor unit Evaporator Cooling 0.39m 0.49m Heating (Connecting pipe) (Connecting pipe) ∅12.7 ∅6.35 Cross flow fan O.D.:12.7mm O.D.:6.35mm Packed valve Packed valve (∅12.7) (∅6.35) Heating Cooling...

  • Page 17: Ras-10Ukhp-Es2 / Ras-10Uah-Es2

    FILE NO. SVM-03001 5-2. RAS-10UKHP-ES2 / RAS-10UAH-ES2 RAS-10UKHP-AS2 / RAS-10UAH-AS2 Indoor unit Evaporator 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 PA108X1T-4FZ1 Capillary tube Capillary tube...

  • Page 18: Ras-13Ukp-Es2 / Ras-13Ua-Es2

    FILE NO. SVM-03001 5-3. RAS-13UKP-ES2 / RAS-13UA-ES2 RAS-13UKP-AS2 / RAS-13UA-AS2 Indoor unit Heat exchanger Cooling 0.49m 0.39m (Connecting pipe) (Connecting pipe) ∅6.35 ∅12.7 Cross flow fan O.D.:12.7mm O.D.:6.35mm Packed valve Packed valve (∅12.7) (∅6.35) Cooling Cooling Compressor PA150X2T-4FM1 Capillary tube ∅1.5x500S Condenser Refrigerant...

  • Page 19: Ras-10Ukp-Es2 / Ras-10Ua-Es2

    FILE NO. SVM-03001 5-4. RAS-10UKP-ES2 / RAS-10UA-ES2 RAS-10UKP-AS2 / RAS-10UA-AS2 Indoor unit Evaporator 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 PA108X1T-4FZ1 Capillary tube ∅1.5x1100S Condenser Refrigerant R410A : 0.65 kg.

  • Page 20: Control Block Diagram

    FILE NO. SVM-03001 6. CONTROL BLOCK DIAGRAM 6-1. RAS-13UKHP-ES2 / RAS-13UAH-ES2, RAS-13UKHP-AS2 / RAS-13UAH-AS2, RAS-10UKHP-ES2 / RAS-10UAH-ES2, RAS-10UKHP-AS2 / RAS-10UAH-AS2 M.C.U. Main Unit Control Panel Operation Heat Exchange sensor Functions Display Timer • Louver Control Thermo. Sensor Display Filter Sign •...

  • Page 21: Ras-13Ukp-Es2 / Ras-13Ua-Es2

    FILE NO. SVM-03001 6-2. RAS-13UKP-ES2 / RAS-13UA-ES2, RAS-13UKP-AS2 / RAS-13UA-AS2, RAS-10UKP-ES2 / RAS-10UA-ES2, RAS-10UKP-AS2 / RAS-10UA-AS2 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...

  • Page 22: Operation Description

    • Transferring of operation commands to the LOW+MED outdoor unit • Receiving of information of the operation status MED+HIGH and judging of the information or indication of error Table 7-1-1 RAS-13UKHP-ES2 RAS-10UKHP-ES2 RAS-13UKHP-AS2 RAS-10UKHP-AS2 Model Motor speed Air flow level Motor speed...
  • Page 23 FILE NO. SVM-03001 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, 4-way valve, outdoor fan and power supply is cut off.) operation display on the remote control are...
  • Page 24 FILE NO. SVM-03001 7-2-3. Dry operation 7-2-4. Heating operation *Heat pump model 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 25: Cooling Operation

    Fig. 7-2-8 and Table 7-2-1. speed Starting period Stabilized period • Up until 12 minutes • From 12 to 25 minutes AUTO RAS-13UKHP-ES2, RAS-13UKHP-AS2 passed after starting passed after starting the unit and room the unit Manual AUTO • From 12 to 25 minutes...
  • Page 26 Fig. 7-5-1 and 7-5-2. air conditioner operates at maximum airflow level. If the difference between the preset RAS-13UKHP-ES2 temperature and the room temperature is small, the air conditioner operates at normal airflow RAS-13UKHP-AS2 level.
  • Page 27 FILE NO. SVM-03001 7-6. Defrost Operation *Heat pump model only <In case of C> (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.
  • Page 28 (1) Current limit control (Cooling operation) Control is performed as shown below by detecting the compressor operating current with a current sensor (C.T). RAS-13UKHP-ES2, RAS-13UKHP-AS2 / RAS-10UKHP-ES2, RAS-10UKHP-AS2 Input current Compressor Outdoor fan More than I4 continues for 3 seconds 13.5A/ 19.2A I4...

  • Page 29: Auto Restart Function

    FILE NO. SVM-03001 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 30: Filter Check Lamp

    FILE NO. SVM-03001 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 31: Installation Procedure

    FILE NO. SVM-03001 8. INSTALLATION PROCEDURE 8-1. Safety Cautions For g eneral pub lic use Power supply cord of parts of appliance for Outdoor use shall be at least polychloroprene sheathed flexible cord (design H07 RN-F), or cord designation 245 IEC66. CAUTION New Refrigerant Air conditioner Installation •...
  • Page 32 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 33: Installation Diagram Of Indoor And Outdoor Units

    FILE NO. SVM-03001 8-2. Installation Diagram of Indoor and Outdoor Units Before installing the For the rear left and left wireless remote control piping Hook • With the remote control cover Installation open, load the batteries supplied plate Wall correctly, observing their polarity.
  • Page 34 FILE NO. SVM-03001 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 (10 series) Gas side each : ∅12.70 mm (13 series) Gas side Pipe insulating material (polyethylene foam, 6 mm thick) Putty, PVC tapes each <Fixing bolt arrangement of outdoor unit>...
  • Page 35 FILE NO. SVM-03001 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 Remote control holder x 1 Pan head wood screw ∅3.1 x 16 s x 2 Wireless remote control x 1 Zeolite filter x 1...
  • Page 36 FILE NO. SVM-03001 8-3-3. Installation/Servicing tools <Changes in the product and components> In the case of an air conditioner using R410A, in order to prevent any other refrigerant from being charged accidentally, the service port diameter of the outdoor unit control valve (3 way valve) has been changed. (1/2 UNF 20 threads per inch) •...
  • Page 37 FILE NO. SVM-03001 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 38 Anchor bolt NOTE • Ensure all wiring is used within its electrical rating. Projection 15 mm or less 5 mm dia. hole RAS-13UKHP-ES2 RAS-10UKHP-ES2 RAS-13UKHP-AS2 RAS-10UKHP-AS2 Model RAS-13UKP-ES2 RAS-10UKP-ES2 7 Mounting RAS-13UKP-AS2...
  • Page 39 FILE NO. SVM-03001 8-4-4. Wiring connection <Stripping length of the connecting cable> <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 40 FILE NO. SVM-03001 <How to connect the connecting cable> For RAS-13/10UK Wiring of the connecting cable can be carried out Cord clamp Terminal Terminal block without removing the front panel. cover 1. Remove the air inlet grille. Screw Open the air inlet grille upward and pull it toward Connecting cable you.
  • Page 41 FILE NO. SVM-03001 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 42 FILE NO. SVM-03001 <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 43 FILE NO. SVM-03001 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 44 FILE NO. SVM-03001 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 45 FILE NO. SVM-03001 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 46 FILE NO. SVM-03001 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 47 FILE NO. SVM-03001 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 48: Troubleshooting Chart

    FILE NO. SVM-03001 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 Check Items. The indoor unit is connected to the outdoor unit with If there is no trouble corresponding to 9-2, check 5 cables (Heat pump model) or 3 cables (Cooling Only whether or not there are faulty parts following model).

  • Page 49: Primary Judgement

    FILE NO. SVM-03001 9-3. Primary Judgement 9-3-2. Failure diagnosis 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 50 FILE NO. SVM-03001 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 51 FILE NO. SVM-03001 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 P.C. abnormal board.

  • Page 52: Troubleshooting Flowcharts

    FILE NO. SVM-03001 9-5. Troubleshooting Flowcharts 9-5-1. Power can not be turned on (No operation at all) <Preliminary checks> Operation (1) Is the supply voltage normal? (2) Is the connection to the AC output OK.? Check Items Main cause Shut off the power supply from AC outlet once and Countermeasure turn it on after 5 seconds.
  • Page 53 Return the wiring of the Does the OPERATION Is it wired as shown power relay is returned to lamp blink? in Figure below? the normal procedure. To the paragraph of “No Power turns on”. RAS-13UKHP-ES2, RAS-13UKHP-AS2 Black White Blue Brown RY01 Indoor Power terminal...
  • Page 54 FILE NO. SVM-03001 RAS-13UKP-ES2, RAS-13UKP-AS2, RAS-10UKP-ES2, RAS-10UKP-AS2 Black White Blue Brown RY01 Indoor Power terminal terminal block block CN31 P.C board 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 “...
  • Page 55 FILE NO. SVM-03001 9-5-4. Only compressor 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 can not be turned on”. Does the power turn on by See “...
  • Page 56 FILE NO. SVM-03001 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 can not be turned on”. Does the power turn on by See “Power can not be turned on”.
  • Page 57 FILE NO. SVM-03001 9-5-6. Only 4-Way valve does not operate (During heating operation) 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 58 FILE NO. SVM-03001 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 59 FILE NO. SVM-03001 9-6. Troubleshooting for Remote Control (Including the Indoor P.C. Board) There is no been from the indoor unit. Push the START/STOP button. The operation lamp of the air conditioner main unit does not light. Does the transmission indicator blink? Reset the remote control by use the tip pencil push...
  • Page 60 FILE NO. SVM-03001 9-6-1 How to check the P.C. board (2) Inspection procedres 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 61 FILE NO. SVM-03001 (3) Checking procedure Table 9-6-1 Procedure Check Point (Symptom) Causes 1. • Application of shock voltage. Shut off the power supply and 1. Is the fuse blown? • Overload by short-circuit of the remove the P.C. board assembly from the electronic parts base.
  • Page 62 FILE NO. SVM-03001 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 [CLR] button while pressing [CHECK] button with a tip of a pencil.
  • Page 63 FILE NO. SVM-03001 9-6-3. P.C.board layout Top View Bottom View – 62 –...

  • Page 64: Part Replacement

    FILE NO. SVM-03001 10. PART REPLACEMENT 10-1. Indoor Unit Part name Procedures Remarks Front panel How to remove the front panel 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 65 FILE NO. SVM-03001 Part name Procedures Remarks Heat exchanger 1) Remove the front panel, electrical part and the horizontal louver following procedure 3. 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 66 FILE NO. SVM-03001 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 67: Exploded Views And Parts List

    3P AC300V, 20A 43T62003 Cord Clamp 43T69004 Sensor, Heat Exchanger 43T69075 P.C. Board (RAS-10UKHP-ES2/AS2) 10kΩ 25°C 43T69076 P.C. Board (RAS-10UKP-ES2/AS2) 43T69005 Sensor, Thermostat 10kΩ 25°C 43T69077 P.C. Board (RAS-13UKHP-ES2/AS2) 43T69079 P.C. Board ASSY, WRS-LED 43T69078 P.C. Board (RAS-13UKP-ES2/AS2) MCC-861 – 66 –...
  • Page 68 WC-H1UE (For Cooling only model) 43T21321 Motor, Louver, MP24GA, DC 12V 43T83003 Holder Remote Controller 43T44322 Refrigeration Cycle Assy 43T85364 Owner’s Manual (For 10 Series) (RAS-13UKHP-ES2, RAS-10UKHP-ES2) 43T44325 Refrigeration Cycle Assy 43T85365 Owner’s Manual (For 13 Series) (RAS-13UKP-ES2, RAS-10UKP-ES2) 43T47006 Pipe, Delivery ∅6.35 43T85383 Owner’s Manual...
  • Page 69 FILE NO. SVM-03001 11-3. Outdoor Unit (RAS-13UAH-ES2, RAS-13UAH-AS2) < " & Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T03303 Fixing plate valve 43T47318 Tube capillary ∅1.2ID 43T03306 Back cabinet assembly 43T47011 Tube capillary ∅1.5ID 43T42303 Base cabinet assembly 43T00369 Upper cabinet assembly 43T41321 Compressor (PA150XT2-4FM1) 43T09318 Guard fan...
  • Page 70 FILE NO. SVM-03001 11-4. Outdoor Unit (RAS-10UAH-ES2, RAS-10UAH-AS2) < " & Location Part Location Part Description Description 43T00374 Front cabinet assembly 43T03303 Fixing plate valve 43T47308 Tube capillary ∅1.0ID 43T03306 Back cabinet assembly 43T47318 Tube capillary ∅1.2ID 43T42304 Base cabinet assembly 43T00369 Upper cabinet assembly 43T41331 Compressor (PA108X1T-4FZ1) 43T09318 Guard fan...
  • Page 71 FILE NO. SVM-03001 11-5. Outdoor Unit (RAS-13UA-ES2, RAS-13UA-AS2) " & Location Part Location Part Description Description 43T00368 Front cabinet assembly 43T47020 Bonnet 6.35 Dia 43T03308 Back cabinet assembly 43T47018 Bonnet 12.7 Dia 43T42303 Base cabinet assembly 43T03303 Fixing plate valve 43T47008 Tube capillary ∅1.5ID 43T00370 Upper cabinet assembly 43T09318 Guard fan...
  • Page 72 FILE NO. SVM-03001 11-6. Outdoor Unit (RAS-10UA-ES2, RAS-10UA-AS2) " & Location Part Location Part Description Description 43T47020 Bonnet 6.35 Dia 43T00368 Front cabinet assembly 43T03308 Back cabinet assembly 43T47021 Bonnet 9.52 Dia 43T42304 Base cabinet assembly 43T03303 Fixing plate valve 43T47008 Tube capillary ∅1.5ID 43T00370 Upper cabinet assembly 43T41327 Compressor (PA108X1T-4FZ1)
  • Page 73 FILE NO. SVM-03001 TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000,THAILAND. – 72 –...

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