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Toshiba RAS-10GKHP-E Service Manual

Toshiba RAS-10GKHP-E Service Manual

Split wall type
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FILE NO. SVM-06037

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE
RAS-10GKHP-E / RAS-10GAH-E
RAS-07GKHP-E / RAS-07GAH-E
RAS-10GKP-E / RAS-10GA-E
RAS-07GKP-E / RAS-07GA-E
RAS-10GKPX / RAS-10GAX
RAS-07GKPX / RAS-07GAX
RAS-10GKPX-V / RAS-10GAX-V
07 Class
10 Class
June, 2006

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Summary of Contents for Toshiba RAS-10GKHP-E

  • Page 1: Service Manual

    FILE NO. SVM-06037 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-10GKHP-E / RAS-10GAH-E RAS-07GKHP-E / RAS-07GAH-E RAS-10GKP-E / RAS-10GA-E RAS-07GKP-E / RAS-07GA-E RAS-10GKPX / RAS-10GAX RAS-07GKPX / RAS-07GAX RAS-10GKPX-V / RAS-10GAX-V 07 Class 10 Class June, 2006...
  • Page 2: Table Of Contents

    RAS-10GKP-E / RAS-10GA-E RAS-07GKP-E / RAS-07GA-E RAS-10GKPX / RAS-10GAX, RAS-10GKPX-V / RAS-10GAX-V RAS-07GKPX/ RAS-07GAX CONTROL BLOCK DIAGRAM RAS-10GKHP-E / RAS-10GAH-E, RAS-07GKHP-E / RAS-07GAH-E RAS-07UKHP-E3 / RAS-07UAH-E3 RAS-10GKP-E / RAS-10GA-E, RAS-07GKP-E / RAS-07GA-E, RAS-10GKPX / RAS-10GAX, RAS-07GKPX / RAS-07GAX, RAS-10GKPX-V / RAS-10GAX-V...
  • Page 3 FILE NO. SVM-06037 OPERATION DESCRIPTION Outline of Air Conditioner Control Description of Operation Circuit Hi POWER Mode High-Temperature Limit Control Low-Temperature Limit Control Defrost Operation Current Limit Control Auto Restart Function Self-Cleaning function 7-10 QUIET Mode 7-10 COMFORT SLEEP mode INSTALLATION PROCEDURE Safety Cautions Installation Diagram of Indoor and Outdoor Units...
  • Page 4: Specifications

    FILE NO. SVM-06037 1. SPECIFICATIONS RAS-10GKHP-E/ RAS-10GKP-E/ RAS-10GKPX/RAS-10GAX MODEL RAS-10GAH-E RAS-10GA-E RAS-10GKPX-V/RAS-10GAX-V ITEM Cooling Heating Cooling Cooling 220V 240V 220V 240V 220V 240V 220V 240V Capacity 2.65 2.70 2.95 2.60 2.60 2.60 2.60 3.00 Phase 1 ∅ Power source 220 − 240 Power consumption 0.93...
  • Page 5 FILE NO. SVM-06037 RAS-07GKHP-E RAS-07GKP-E RAS-07GKPX MODEL RAS-07GAH-E RAS-07GA-E RAS-07GAX ITEM Cooling Heating Cooling Cooling 220V 240V 220V 240V 220V 240V 220V 240V Capacity 2.00 2.05 2.00 2.05 2.10 2.15 2.10 2.15 Phase 1∅ Power source 220 − 240 Power consumption 0.61 0.68 0.54...
  • Page 6 FILE NO. SVM-06037 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 7: Construction Views

    FILE NO. SVM-06037 2. CONSTRUCTION VIEWS 2-1. Indoor Unit (Flare ∅ 9.52) – 6 –...
  • Page 8: Outdoor Unit (Ras-10Gah-E, Ras-10Ga-E, Ras-10Gax, Ras-10Gax-V)

    FILE NO. SVM-06037 2.2. Outdoor Unit (RAS-10GAH-E, RAS-10GA-E, RAS-10GAX, RAS-10GAX-V) Ø6 hole R5.5 Ø6 hole Ø11x14 hole A detail Drawing (Back leg) Ø 11 x 14 Hole 25 Drain outlet Ø B Detail Drawing (Front leg) (For 8 - 10 anchor bolt) Ø...
  • Page 9: Outdoor Unit (Ras-07Gah-E, Ras-07Ga-E, Ras-07Gax)

    FILE NO. SVM-06037 2-3. Outdoor Unit (RAS-07GAH-E, RAS-07GA-E, RAS-07GAX) B Detail Drawing (Front Leg) A Detail Drawing (Back 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 10: Wiring Diagram

    FILE NO. SVM-06037 3. WIRING DIAGRAM 3-1. RAS-10GKHP-E / RAS-10GAH-E RAS-07GKHP-E / RAS-07GAH-E LOUVER INFRARED RAYS RECEIVE 73 C x2 AND INDICATION PARTS MOTOR THERMAL FUSE CN25 CN14 2 CN04 CN07 SG01 Micro DC5V VARISTOR Voltage Power Regulator Module DC12V GRN &...
  • Page 11: Ras-10Gkp-E / Ras-10Ga-Eras-07Gkp-E / Ras-07Ga-E

    FILE NO. SVM-06037 3.2 RAS-10GKP-E / RAS-10GA-E RAS-07GKP-E / RAS-07GA-E LOUVER INFRARED RAYS RECEIVE 73 C x2 AND INDICATION PARTS MOTOR THERMAL FUSE 1 2 3 4 5 6 CN25 1 2 3 4 5 6 1 2 3 4 5 6 CN14 CN04 1 2 3...
  • Page 12: Ras-10Gkpx / Ras-10Gax Ras-07Gkpx / Ras-07Gax Ras-10Gkpx-V / Ras-10Gax-V

    FILE NO. SVM-06037 3-3. RAS-10GKPX / RAS-10GAX RAS-07GKPX / RAS-07GAX RAS-10GKPX-V / RAS-10GAX-V LOUVER INFRARED RAYS RECEIVE 73 °C AND INDICATION PARTS MOTOR THERMAL FUSE CN25 CN14 2 CN04 CN07 SG01 Micro VARISTOR DC5V Voltage Power Regulator Module DC12V GRN & YEL T6.3A 250VAC CN31 SINGLE PHASE...
  • Page 13: Specification Of Electrical Parts

    FILE NO. SVM-06037 4. SPECIFICATION OF ELECTRICAL PARTS 4-1. Indoor Unit (RAS-10GKHP-E, RAS-07GKHP-E) Parts name Type Specifications Fan motor (for indoor) MMF-240-20-4B AC Motor with 135 °C thermo fuse ° Thermo sensor (TA-sensor) 10k at 25 C Micro power module (M01)
  • Page 14: Outdoor Unit (Ras-07Gah-E)

    FILE NO. SVM-06037 4-3. Outdoor Unit (RAS-07GAH-E) Parts name Type Specifications Output (Rated) 605W, 2poles, 1 phase, 220 − 240V, 50Hz Compressor PH108X1C-4DZDN2 Winding resistance (Ω) (at 20°C) 4.84 4.40 Output (Rated) 20W, 6poles, 1 phase, 220 − 240V, 50Hz Fan motor (for outdoor) Winding resistance (Ω) Red-Black...
  • Page 15: Outdoor Unit (Ras-10Ga-E, Ras-10Gax, Ras-10Gax-V)

    FILE NO. SVM-06037 4-5. Outdoor Unit (RAS-10GA-E, RAS-10GAX, RAS-10GAX-V) Parts name Type Specifications Output (Rated) 1000 W, 2 poles, 1 phase, 220 - 240 V, 50Hz Compressor PH150X1C-4DZDN3 Winding resistance ( ) ° (at 20 C) 3.33 3.78 Output (Rated) 20 W, 6 poles, 1 phase, 220 - 240 V, 50Hz Fan motor (for outdoor) Winding resistance ( ) Red-Black...
  • Page 16: Refrigeration Cycle Diagram

    FILE NO. SVM-06037 5. REFRIGERATION CYCLE DIAGRAM 5-1. RAS-10GKHP-E / RAS-10GAH-E Indoor unit Heat exchanger Cooling 0.39 m 0.49 m Heating (Connecting pipe) (Connecting pipe) Æ9.52 Æ6.35 Cross flow fan O.D.:9.52 mm O.D.:6.35 mm Packed valve Packed valve (Æ9.52) (Æ6.35)
  • Page 17: Ras-07Gkhp-E / Ras-07Gah-E

    FILE NO. SVM-06037 5-2. RAS-07GKHP-E / RAS-07GAH-E 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 PH108X1C-4DZDN2 Capillary tube ∅1.0x900S (2 pcs.)
  • Page 18: Ras-10Gkp-E / Ras-10Ga-E

    FILE NO. SVM-06037 5-3. RAS-10GKP-E / RAS-10GA-E Indoor unit Heat exchanger Cooling 0.39 m 0.49 m (Connecting pipe) (Connecting pipe) Æ9.52 Æ6.35 Cross flow fan O.D.:9.52 mm O.D.:6.35 mm Packed valve Packed valve (Æ9.52) (Æ6.35) Cooling Cooling Compressor PH150X1C-4DZDN3 Capillary tube Æ1.5 x 1200l Heat exchanger Refrigerant...
  • Page 19: Ras-07Gkp-E / Ras-07Ga-E

    FILE NO. SVM-06037 5-4. RAS-07GKP-E / RAS-07GA-E 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 PH108X1C-4DZDN2 Capillary tube ∅1.2x600S Heat exchanger Refrigerant R-22 : 0.63 kg.
  • Page 20: Ras-10Gkpx / Ras-10Gax Ras-10Gkpx-V / Ras-10Gax-V

    FILE NO. SVM-06037 5-5. RAS-10GKPX / RAS-10GAX RAS-10GKPX-V / RAS-10GAX-V Indoor unit Heat exchanger Cooling 0.39 m 0.49 m (Connecting pipe) (Connecting pipe) Æ9.52 Æ6.35 Cross flow fan O.D.:9.52 mm O.D.:6.35 mm Packed valve Packed valve (Æ9.52) (Æ6.35) Cooling Cooling Compressor PH150X1C-4DZDN3 Capillary tube Æ1.5 x 1200l...
  • Page 21: Ras-07Gkpx/ Ras-07Gax

    FILE NO. SVM-06037 5-6. RAS-07GKPX / RAS-07GAX 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 PH108X1C-4DZDN2 Capillary tube ∅1.2x600S Heat exchanger Refrigerant R-22 : 0.63 kg.
  • Page 22: Control Block Diagram

    FILE NO. SVM-06037 6. CONTROL BLOCK DIAGRAM 6-1. RAS-10GKHP-E / RAS-10GAH-E, RAS-07GKHP-E / RAS-07GAH-E M.C.U. Main Unit Control Panel Operation Heat Exchange sensor Functions Display Timer Thermo. Sensor • Louver Control Display Current Sensor • 3-minutes Delay at Restart for Compressor...
  • Page 23: Ras-10Gkp-E / Ras-10Ga-E, Ras-07Gkp-E / Ras-07Ga-E

    FILE NO. SVM-06037 6-2. RAS-10GKP-E / RAS-10GA-E, RAS-07GKP-E / RAS-07GA-E, RAS-10GKPX / RAS-10GAX, RAS-07GKPX / RAS-07GAX, RAS-10GKPX-V / RAS-10GAX-V Main Unit Control Panel M.C.U. Operation Heat Exchange sensor Functions Display Thermo. Sensor • Louver Control Infrared Rays Signal Reciver • 3-minutes Delay at Restart for Compressor Initiallizing Circuit •...
  • Page 24: Operation Description

    FILE NO. SVM-06037 7. OPERATION DESCRIPTION 7-1. Outline of Air Conditioner Control 7-1-1. Louver control tical air flo w louv This is a fixed capacity type air conditioner, which uses osition of v itcal air flo w louv er is automatically AC motor for an indoor fan.
  • Page 25: Description Of Operation Circuit

    FILE NO. SVM-06037 7-2. Description of Operation Circuit 7-2-2. Cooling operation ([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 supply is on. (1) The compressor, 4-way valve, outdoor fan and (2) When pressing [ ] button on the remote control,...
  • Page 26 FILE NO. SVM-06037 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 27: Cooling Operation

    FILE NO. SVM-06037 (3) The indoor heat exchanger restricts revolving *5 and *6: Table 7-2-1 speed of the fan motor to prevent a cold draft. The upper limit of the revolving speed is shown in Fig. 7-2-8 and Table 7-2-1. speed Starting period Stabilized period...
  • Page 28: Hi Power Mode

    FILE NO. SVM-06037 7-3. Hi POWER Mode 7-4. High-Temperature Limit Control ([Hi POWER] button on the remote *Heat pump model 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 29: Defrost Operation

    FILE NO. SVM-06037 7-6. Defrost Operation * <In case of C> Heat pump model 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.
  • Page 30: Current Limit Control

    FILE NO. SVM-06037 7-7. Current Limit Control *Heat pump model 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...
  • Page 31: Auto Restart Function

    FILE NO. SVM-06037 7-8. Auto Restart Function 7-8-1. How to set 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 32 FILE NO. SVM-06037 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 33: Self-Cleaning Function

    FILE NO. SVM-06037 7-9. 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 34: Quiet Mode

    FILE NO. SVM-06037 7-10. QUIET Mode 7-11-1. Cooling mode • The fan speed of indoor unit operates automatically, Quiet mode is the system which, control the it relates with the compressor's operation. revolving speed of indoor fan to work constantly at lower than speed L.
  • Page 35: 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 36 FILE NO. SVM-06037 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 37: Installation Diagram Of Indoor And Outdoor Units

    FILE NO. SVM-06037 8-2. Installation Diagram of Indoor and Outdoor Units INSTALLATION DIAGRAM OF INDOOR AND OUTDOOR UNITS For the rear left and left piping Hook Wall Installation plate Insert the cushion between the indoor unit and wall, and tilt the indoor unit for better operation.
  • Page 38: Installation

    FILE NO. SVM-06037 8-3. Installation 8-3-1. Optional installation parts Part Parts name Q'ty Code Refrigerant piping Æ Liquid side : 6.35 mm Æ Gas side 9.52 mm each Pipe insulating material (polyethylene foam, 6 mm thick) Putty, PVC tapes each <Fixing bolt arrangement of outdoor unit>...
  • Page 39 FILE NO. SVM-06037 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 Sasa-zeolite Vitamin C filter x 1...
  • Page 40: Indoor Unit

    FILE NO. SVM-06037 8-4. Indoor Unit 8-4-2. Cutting a hole and mounting installation 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 41 FILE NO. SVM-06037 <When the installation plate is directly mounted on 8-4-3. Electrical work the wall> 1. The supply voltage must be the same as the rated 1. Securely fit the installation plate onto the wall by voltage of the air conditioner. screwing it in the upper and lower parts to hook up 2.
  • Page 42 FILE NO. SVM-06037 <How to connect the connecting cable> For Cooling model Wiring of the connecting cable can be carried out Terminal block without removing the front panel. Cord clamp Terminal cover 1. Remove the air inlet grille. Open the air inlet grille upward and pull it toward Scre w Connecting you.
  • Page 43 FILE NO. SVM-06037 8-4-4. 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 44 FILE NO. SVM-06037 <Left-hand connection with piping> 8-4-5. 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 45: Outdoor Unit

    FILE NO. SVM-06037 8-4-6. 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 46 FILE NO. SVM-06037 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) Fig.
  • Page 47 FILE NO. SVM-06037 8-5-3. Evacuating <Packed valve handling precautions> After the piping has been connected to the indoor unit, Open the valve stem all the way out; but do not try · you can perform the air purge together at once. to open it beyond the stopper.
  • Page 48 FILE NO. SVM-06037 8-5-4. Wiring connection For RAS-10GAH-E 1. Remove the valve cover from the outdoor unit. Terminal block 2. Connect the connecting cable to the terminal as 70 mm identified with their respective matched numbers on 10 mm Earth line Terminal the terminal block of indoor and outdoor unit.
  • Page 49: How To Set Remote Control Selector Switch

    FILE NO. SVM-06037 8-6. How to Set Remote Control Selector Switch When two indoor units ae installed in seperated rooms, there is no need to change the selector switch. <Remote control selector switch> · When two indoor units are installed in the same room or the adjacent two rooms, they may be controlled simultaneously with a single remote control.
  • Page 50: Others

    FILE NO. SVM-06037 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 51: Troubleshooting Chart

    FILE NO. SVM-06037 9. TROUBLESHOOTING CHART 9-1. Troubleshooting Procedure 9-2-2. Incorrect cable connection between Indoor 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 52: Primary Judgement

    FILE NO. SVM-06037 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 53: Self-Diagnosis By Remote Control (Check Code)

    FILE NO. SVM-06037 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 54 FILE NO. SVM-06037 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. when detected operation. 2.If it is OK, check abnormal P.C.
  • Page 55: Troubleshooting Flowcharts

    FILE NO. SVM-06037 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 Heat pump Model Main cause Shut off the power supply from AC outlet once and...
  • Page 56: Cooling Model

    FILE NO. SVM-06037 Cooling Model Operation Check Items Main cause Shut off the power supply from AC outlet once and Countermeasure turn it on after 5 seconds. Symptom Does the OPERATION lamp blink? Does the power turn on Does the transmission by pushing the [START/ indicator of remote Remote control is...
  • Page 57 RAS-07GKP-E, RAS-10GKP-E CN31 Indoor Terminal Block Green & yellow RY01 Supply AC 220 ~ 240 V 50 / 60 Hz RAS-07GKHP-E, RAS-10GKHP-E CN31 Indoor Terminal Block Green & yellow RY01 Supply AC 220 ~ 240 V 50 / 60 Hz...
  • Page 58 FILE NO. SVM-06037 RAS-07GKPX, RAS-10GKPX, RAS-10GKPX-V Black White Indoor Terminal Block CN31 Brown Blue Green / Yellow RY01 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 can not be turned on".
  • Page 59 FILE NO. SVM-06037 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 "Power can not be turned on".
  • Page 60 FILE NO. SVM-06037 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 61 FILE NO. SVM-06037 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 62 FILE NO. SVM-06037 9-5-7. Only the indoor fan does not operate <Check procedure> Heat Pump Model Shut off the power supply once. Turn on 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...
  • Page 63 FILE NO. SVM-06037 Cooling Model Shut off the power supply once. Turn on 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 64: Troubleshooting For Remote Control

    FILE NO. SVM-06037 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 65 FILE NO. SVM-06037 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 66 FILE NO. SVM-06037 (3) Checking procedure Heat Pump Model 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.
  • Page 67 FILE NO. SVM-06037 Cooling Model 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.
  • Page 68 FILE NO. SVM-06037 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 Press [CLR] button while pressing [CHK] button with a tip of a pencil.
  • Page 69: Part Replacement

    FILE NO. SVM-06037 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 70 FILE NO. SVM-06037 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 71 FILE NO. SVM-06037 10-2 . -1. Outdoor Unit (RAS-07GAH-E, RAS-07GA-E, RAS-07GAX) Part name Procedures Remarks Common 1) Stop the operation of air-conditioner, and 2-Screws Ø4 x 16L Cord clamp procedure disconnect the power cord from the AC Electric supply. parts cover 2) Remove packed valve cover and Electric parts cover.
  • Page 72 FILE NO. SVM-06037 Part name Procedures Remarks 1) Perform the common procedure Capacitor for Screws ∅4 x 10L 2) Remove the fixing screw fan motor (1-Screw ∅4 x 10L) Capacitor for 3) Disconnect the lead wires. Compressor Capacitor band Capacitor for fan motor Screws ∅4 x10L...
  • Page 73: Outdoor Unit

    FILE NO. SVM-06037 10-2-2. Outdoor Unit (RAS-10GAH-E, RAS-10GA-E, RAS-10GAX, RAS-10GAX-V) Part name Procedures Remarks 2-Screws Ø4 x 16L Cord clamp Common 1) Stop the operation of air-conditioner, and procedure disconnect the power cord from the AC supply. 2) Remove packed valve cover and Electric parts cover.
  • Page 74: Exploded Views And Parts List

    FUSE, TEMPERATURE, 73°C 43T69371 SENSOR;HEAT EXCHANGER 43T62003 CORD CLAMP 43T50314 SENSOR;THERMOSTAT 43T69543 PC BOARD (For RAS-07GKHP-E) (For RAS-07,10GKHP-E) 43T69544 PC BOARD (For RAS-10GKHP-E) 43T69005 SENSOR;THERMOSTAT 43T69545 PC BOARD (For RAS-07GKP-E) (For RAS-07,10GKP-E) 43T69546 PC BOARD (For RAS-10GKP-E) - 73 -...
  • Page 75: Indoor Unit (E-Parts Assy) For Asia Model

    FILE NO. SVM-06037 11-2. Indoor Unit (E-Part Assy) For Asia model Location Part Location Part Description Description 43T60001 TERMINAL 43T62003 CORD CLAMP 43T69371 SENSOR;HEAT EXCHANGER 43T69545 PC BOARD (For RAS-07GKPX) 43T69005 SENSOR;THERMOSTAT 43T69546 PC BOARD (For RAS-07GKPX) 43T69542 PC BOARD ASSY ; WRS-LED (For RAS-10GKPX, RAS-10GKPX-V) 43T69364 FUSE,TEMPERATURE...
  • Page 76: Indoor Unit

    FILE NO. SVM-06037 11-3. Indoor Unit Electric Parts Assembly Location Part Location Part Description Description 43T00461 FRONT PANEL ASSY 43T49006 HOLDER FOR PLATE 43T09393 GRILLE OF AIR INLET 43T22002 ASM-M-BEARING 43T03348 BACK BODY ASSY 43T39319 BASE BEARING 43T80315 AIR FILTER 43T20320 ASSY CROSS FLOW FAN 43T09392...
  • Page 77: Outdoor Unit (Ras-10Gah-E)

    FILE NO. SVM-06037 11-4. Outdoor Unit (RAS-10GAH-E) 7,9 8,10 11 CAPILLARY TUBE : 1.5 DIA Location Part Location Part Description Description 43T42327 BASE PLATE ASSEMBLY 43T19329 FAN GUARD 43T41366 COMPRESSOR(Made in China) 43T04301 PARTITION 43T49001 CUSHION,RUBBER 43T39317 MOTOR BASE CONNECTION PLATE 43T47354 BOLT COMPRESSOR (M6) 43T39318...
  • Page 78: Outdoor Unit (Ras-07Gah-E)

    FILE NO. SVM-06037 11-5. Outdoor Unit (RAS-07GAH-E) Location Part Location Part Description Description 43T19313 FAN GUARD 43T49001 CUSHION,RUBBER 43T20306 PROPELLER FAN 43T54314 RELAY;OVERLOAD 43T00398 43T41365 COMPRESSOR(Made in China) FRONT CABINET COATING ASSEMBLY 43T43394 CONDENSER ASSEMBLY 43T62305 PACKED VALVE COVER 43T62309 TERMINAL COVER 43T00394 UPPER CABINET COATING ASSEMBLY...
  • Page 79: Outdoor Unit (Ras-10Ga-E, Ras-10Gax, Ras-10Gax-V)

    FILE NO. SVM-06037 11-6. Outdoor Unit (RAS-10GA-E, RAS-10GAX, RAS-10GAX-V) 11 CAPILLARY TUBE : 1.5 DIA Location Part Location Part Description Description 43T42327 BASE PLATE ASSEMBLY 43T47001 NUT FLANGE 43T41394 COMPRESSOR 43T19329 FAN GUARD 43T49001 CUSHION,RUBBER 43T04301 PARTITION 43T47354 BOLT COMPRESSOR (M6) 43T39317 MOTOR BASE CONNECTION PLATE 43T43380...
  • Page 80: Outdoor Unit (Ras-07Ga-E, Ras-07Gax)

    FILE NO. SVM-06037 11-7. Outdoor Unit (RAS-07GA-E, RAS-07GAX) Location Part Location Part Description Description 43T19313 FAN GUARD 43T47001 NUT FLANGE 43T20306 PROPELLER FAN 43T19312 HANDLE 43T00398 43T49001 CUSHION,RUBBER FRONT CABINET COATING ASSEMBLY 43T43393 CONDENSER ASSEMBLY 43T54314 RELAY;OVERLOAD 43T62309 TERMINAL COVER 43T41365 COMPRESSOR(Made in China) 43T00397...
  • Page 81 FILE NO. SVM-03004(1) TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND. – 75 –...

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