Toshiba RAS-10GA-AS2 Service Manual Download Page 1

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FILE NO. SVM-06039-2

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE

RAS-1

KHP-ES

/ RAS-1

AH-ES

RAS-10

KP-ES

/ RAS-10

A-ES

RAS-1

P-

/ RAS-1

RAS-10

KP-

/ RAS-10

June 2006

Summary of Contents for RAS-10GA-AS2

Page 1: ...FILE NO SVM 06039 2 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS 10GKHP ES2 RAS 10GAH ES2 RAS 10GKP ES2 RAS 10GA ES2 RAS 10GKHP AS2 RAS 10GAH AS2 RAS 10GKP AS2 RAS 10GA AS2 June 2006 ...

Page 2: ... BLOCK DIAGRAM 6 1 RAS 10GKHP ES2 RAS 10GAH ES2 RAS 10GKHP AS2 RAS 10GAH AS2 6 2 RAS 10GKP ES2 RAS 10GA ES2 RAS 10GKP AS2 RAS 10GA AS2 4 3 Indoor Unit RAS 10GKP ES2 RAS 10GKP AS2 7 7 9 Self Cleaning function OPERATION DESCRIPTION 7 1 7 7 Current Limit Control Outline of Air Conditioner Control 7 8 Auto Restart Function 7 2 Description of Operation Circuit 7 3 Hi POWER Mode 7 4 High Temperature Lim...

Page 3: ...wcharts 9 6 Troubleshooting for Remote Control Including The Indoor P C Board 10 PARTS REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy For RAS 10GKHP ES2 RAS 10GKP ES2 11 4 Outdoor Unit RAS 10GAH ES2 RAS 10GNAH AS2 11 5 Outdoor Unit RAS 10GA ES2 RAS 10GA AS2 This air conditioner is charged with HFC R410A that doesn t deplete the Ozone l...

Page 4: ...on Connection type Flare connection pipe Maximum length m 10 1 One way Maximum height difference INDOOR UNIT RAS 10GKHP ES2 RAS 10GKP ES2 Height mm 250 Dimensions Width mm 740 Depth mm 185 Net weight kg 8 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 540 560 540 Air volume Medium fan m3 h 460 480 460 Low fan m3 h 380 390 380 Fan motor output W 20 Air filter Honeycomb wov...

Page 5: ...erature conditions Note 2 Temperature Condition Cooling Heating Indoor unit inlet air temperature DB 27 C 20 C WB 19 C 15 C Outdoor unit inlet air temperature DB 35 C 7 C WB 24 C 6 C 1 No need to charge extra refrigerant JIS B8615 1 FILE NO SVM 06039 ...

Page 6: ...2 CONSTRUCTION VIEWS 2 1 Indoor Unit FILE NO SVM 06039 5 Wireless remote control 57 18 160 Flare 9 52 ...

Page 7: ...Liquid side Flare 6 35 Ø Ø Gas side Flare 9 52 Service port 4x 11 Long holes For 8 10 anchor bolt Installation dimension Air outlel 100 or more 45 or more 600 or more 400 or more Air intlel Ø Ø Ø Ø6 hole 86 Ø6 hole Ø11x14 hole R15 28 A 321 R5 5 36 109 124 50 129 84 5 4 600 321 90 600 90 275 290 550 Ø 436 Z R15 50 36 2 321 342 69 Ø Ø Ø 2 2 Outdoor Unit 6 FILE NO SVM 06039 ...

Page 8: ... 1 2 2 GRY AC FAN MOTOR MAIN P C BOARD WP 009 135 C CN10 CN11 1 1 2 2 1 1 2 2 BLK BLK BLK BLK THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN03 CN01 C01 C02 R319 DB01 3 2 1 6 5 4 8 7 3 2 1 6 5 4 8 7 BLU BLU BLU BLU BLU BLU WHI BLU CN14 1 1 2 2 CN04 1 5 3 4 2 1 5 3 4 2 WHI YEL YEL YEL LOUVER MOTOR INFRARED RAYS RECEIVE AND INDICATION PARTS CN25 BLK BRW BLU GRN YEL SINGLE PHASE 220 240V 50 60Hz R21 VAR...

Page 9: ...4 5 5 3 3 1 1 2 2 GRY AC FAN MOTOR MAIN P C BOARD WP 009 135 C CN10 CN11 1 1 2 2 1 1 2 2 BLK BLK BLK BLK THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN03 CN01 C01 C02 R319 DB01 3 2 1 6 5 4 8 7 3 2 1 6 5 4 8 7 BLU BLU BLU BLU BLU BLU WHI BLU CN14 1 1 2 2 CN04 1 5 3 4 2 1 5 3 4 2 WHI YEL YEL YEL LOUVER MOTOR INFRARED RAYS RECEIVE AND INDICATION PARTS CN25 BLK BRW BLU GRN YEL SINGLE PHASE 220 240V 50 6...

Page 10: ...SA SG01 CN31 CN01 CN03 SENSOR TC HEAT EXCHANGER SENSOR TA THERMO BLK BLK BLK BLK 2 2 1 1 2 2 1 1 135 C AC FAN MOTOR GRY 2 2 1 1 3 3 5 5 4 4 6 6 BLK YEL BRW RED WHI CN10 3 5 3 5 1 1 3 1 2 3 1 2 T6 3A 250VAC VARISTOR R21 DB01 R319 C01 CN11 IC03 R25 R26 C15 CR03 DC5V Regulator Voltage Micro Module Power L01 CN07 YEL CN25 AND INDICATION PARTS INFRARED RAYS RECEIVE MOTOR LOUVER YEL YEL YEL WHI 2 4 3 5 ...

Page 11: ...1 CN31 CN01 CN03 SENSOR TC HEAT EXCHANGER SENSOR TA THERMO BLK BLK BLK BLK 2 2 1 1 2 2 1 1 135 C AC FAN MOTOR GRY 2 2 1 1 3 3 5 5 4 4 6 6 BLK YEL BRW RED WHI CN10 3 5 3 5 1 1 3 1 2 3 1 2 T6 3A 250VAC VARISTOR R21 DB01 R319 C01 CN11 IC03 R25 R26 C15 CR03 DC5V Regulator Voltage Micro Module Power L01 CN07 YEL CN25 AND INDICATION PARTS INFRARED RAYS RECEIVE MOTOR LOUVER YEL YEL YEL WHI 2 4 3 5 1 2 4 ...

Page 12: ...5 11 C 6 4 SPECIFICATION OF ELECTRICAL PARTS 4 1 Indoor Unit RAS 10GKHP ES2 RAS 10GKHP AS2 No Parts name Type Specifications 1 Fan motor for indoor MMF 240 20 4B 2 Thermo sensor T 3 Micro power module M01 RM1260V 4 Microcontroller unit IC30 TMP87CM40AFG 6G61 5 Heat exchanger sensor TC sensor 6 Line filter L01 LC SS11V 06270 7 Bridge rectifier DB01 D3SBA60 4A 600V 8 Capacitor C63 EKMH401VSN470MP20S...

Page 13: ...ES2 RAS 10GKP AS2 SKF 240 20B FILE NO SVM 06039 AC 440V 25 5 Overload relay LPAP960B U T 6 1A 80 C Open 135 5 C Clse 75 11 C No Parts name Type Specifications 1 Fan motor for indoor 2 Thermo sensor TA sensor 10kΩ at 25 C 3 4 Microcontroller unit IC30 5 Heat exchanger sensor 10kΩ at 25 C TC sensor 6 Line filter L01 SS11V 06270 27mH 600mA 7 Bridge rectifier DB01 D3SBA60 4A 600V 8 Capacitor C63 EKMH4...

Page 14: ... Fan speed indoor 50Hz Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Heat exchanger Propeller fan Outdoor unit PA108X1C 4FZDN Cooling Heating Mark means check points of Gas Leak O D 9 52mm O D 6 35mm Cooling Heating Packed valve 9 52 Packed valve 6 35 0 39m Connecting pipe 9 52 0 49m Connecting pipe 6 35 T1 P Refrigerant R410A 0 78 kg Capillary tube 1 5x1200 Acc...

Page 15: ... Fan speed indoor 50Hz Indoor unit Cross flow fan Cooling Cooling Compressor Heat exchanger Propeller fan Outdoor unit PA108X1C 4FZDN Cooling Mark means check points of Gas Leak O D 9 52mm O D 6 35mm Cooling Packed valve 9 52 Packed valve 6 35 0 39m Connecting pipe 9 52 0 49m Connecting pipe 6 35 T1 P Refrigerant R410A 0 72 kg Heat exchanger Capillary tube 1 5x1100l Standard pressure P MPaG Surfac...

Page 16: ...4 220 240 V 50Hz Compressor 4 Way Valve Outdoor Fan Motor Louver Control 3 minutes Delay at Restart for Compressor Processing Temperature Processing Motor Revolution Control Timer Initiallizing Circuit Clock Frequency Oscillator Circuit Thermo Sensor Current Sensor Compressor Current Infrared Rays Signal Reciver REMOTE CONTROL Remote Control Operation Operation Mode Selection AUTO COOL DRY HEAT FA...

Page 17: ...y Sign Display Indoor Fan Motor Louver Motor Louver ON OFF Signal Compressor ON OFF Signal Power Supply Circuit Noise Filter Relay Driver Louver Driver Relay RY01 220 240 V 50Hz Compressor Outdoor Fan Motor Initiallizing Circuit Clock Frequency Oscillator Circuit Louver Control 3 minutes Delay at Restart for Compressor Processing Temperature Processing Motor Revolution Control Timer Thermo Sensor ...

Page 18: ...nted in the indoor unit And electrical parts which driving the compressor and the outdoor fan motor are mounted in the outdoor unit LOW MED LOW MED 2 MED HIGH 2 15 The air conditioner is controlled by the controller mounted in the indoor unit The controller operates all components based on the commands transmitted from the remote control and the feedback data of the sensor is as follow The tempera...

Page 19: ...trolled by the difference in motor speed between M and L Fig 7 2 1 Setting of air flow FAN AUTO 2 The Hi POWER ECO and COMFORT SLEEP 7 2 2 Cooling operation MODE button on the remote control is set to the cooling operation 1 The compressor 4 way valve outdoor fan and operation display on the remote control are controlled as shown in Fig 7 2 2 Fig 7 2 2 2 When FAN button is set to AUTO the indoor f...

Page 20: ...n Fig 7 2 4 Fig 7 2 4 2 The microcontroller turns the compressor on and off at the regular intervals 4 to 6 minutes While the compressor is turning off the indoor fan motor operates in the SUPER LOW position The pattern of operation depending on the relation between room temperature and preset temperatures is shown in Fig 7 2 5 Fig 7 2 5 3 FAN button on the remote control is set to AUTO only 4 The...

Page 21: ...3 operations Cooling Fan only or Heating is selected according to difference between the preset temperature and the room temperature at which the automatic operation has started as shown in Fig 7 2 9 The Fan only operation continues until the room temperature reaches a level at which another mode is selected 2 Temporary Auto When the RESET button on the indoor unit is pushed the preset temperature...

Page 22: ...eration The setting temperature drops 3 C The value of the setting temperature on the remote control does not change If the room temperature is higher than the setting temperature by 3 5 C or more the horizontal louver moves to the Hi POWER position automatically Then when the room temperature is 1 C less than the setting temperature the horizontal louver returns automatically FAN speed AUTO If th...

Page 23: ...g 7 6 1 Indoor fan speed M 7 6 2 Defrost operation time control In case of B 1 The heating operation is performed for at least 40 minutes 2 The maximum defrost operating time is 6 minutes The defrost operating time for the 4th cycle is 10 minutes When the outdoor temperature is very low however the defrost operating time is 10 minutes Fig 7 6 2 minutes 40 Heating Heating Heating Heating Defrost De...

Page 24: ...performed as shown in Fig 7 7 2 Fig 7 7 2 Remark 1 This function is available only for heat pump model Cooling models have no a current sensor C T Input current 15 0A I4 14 0A I3 9 0A I2 8 0A I1 Compressor Outdoor fan More than I4 continues for 3 seconds OFF More than I3 continues for 5 minutes OFF ON ON OFF Input current 15 0A I4 14 0A I3 Compressor Outdoor fan More than I4 continues for 3 second...

Page 25: ... restart function To set the auto restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Push the RESET button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut...

Page 26: ...erefore set the timer operation again Operation Motions Push RESET button for more The unit is on standby than three seconds The unit starts to operate The orange lamp is on After approx three seconds The unit beeps three times The lamp changes from and continues to operate orange to green If the unit is not required to operate at this time push RESET button once more or use the remote control to ...

Page 27: ...will show in orange color When AUTO RESET is ON or green color When AUTO RESTART is OFF Hold down the RESET button for more than 20 seconds The air conditioner will stop suddenly when the RESET button is pressed but keep holding it continue Then will beep 3 times is the first 3 seconds but it is not related to Self Cleaning function After holding about 20 seconds the air conditioner will beep 5 ti...

Page 28: ...apacity 7 11 1 Cooling mode The fan speed of indoor unit operates automatically it relates with the compressor s operation Compressor s Operation Fan Speed ON L OFF SL The preset temperature will increase 1 C after the Comfort sleep mode has operated for 1 hour and automatically the temperature will increase another 1 C after the comfort sleep mode has operated for 2 hour The value of the preset t...

Page 29: ...uired Accordingly special tools are required for the new refrigerant R410A as shown below For connecting pipes use new and clean piping materials with high pressure withstand capabilities designed for R410A only and ensure that water or dust does not enter Moreover do not use any existing piping as its pressure withstand may be insufficient and may contain impurities New Refrigerant Air conditione...

Page 30: ...roperly 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 Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully for possi...

Page 31: ...eration INSTALLATION DIAGRAM OF INDOOR AND OUTDOOR UNITS Rear left Left Bottom left Rear right Bottom right 2 Wireless remote control 5 Sasa zeolite 6 Bio enzyme 4Remote control holder 8 Pan head wood screw 100 mm or more 45 mm or more 400 mm or more Saddle Vinyl tape Apply after carrying out a drainage test 600 mm or more Extension drain hose Not available provided by installer 600 mm or more 6 m...

Page 32: ...1 Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong wind Use 8 mm or 10 mm anchor bolts and nuts If it is necessary to drain the defrost water attach 9 drain nipple and 10 cap water proof to the bottom plate of the outdoor unit before installing it A B Pipe insulating material polyethylene foam 6 mm thick Drain outlet 600 mm 90 mm 124 mm 109 mm 28 m...

Page 33: ...rol holder x 1 Part No 4 5 6 Part No 7 8 9 Others Name Owner s manual Installation manual The part marked with asterisk is packaged with the outdoor unit Part name Q ty Mounting screw 4 x 25 s x 6 Pan head wood screw 3 1 x 16 s x 2 Drain nipple x 1 For Heat pump model only Cap water proof x 2 For Heat pump model only Bio enzyme Gingko filter x 1 Sasa Zeolite Vitamin C filter x 1 ...

Page 34: ...apart from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote control should be determined as shown below Fig 8 4 1 5 m 5 m 45 45 75 7 m 7 m Top view Indoor unit Axial distance Reception range Reception range Remote control Indoor unit Remote control Side view 8 4 2 Cutting a hole and mounting installation plate C...

Page 35: ...erant from being charged each port diameter has been changed Charge hose In order to increase pressure withstand strength hose materials and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size Electronic balance As pressure is high and gasification speed is fast for refrigerant charging it is difficult to read the indicated valu...

Page 36: ...nchors for appropriate 7 mounting screws NOTE Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it Installation plate Keep horizontal direction RAS 10GKP AS2 RAS 10GKHP ES2 Model RAS 10GKP ES2 Power source 50 Hz 220 240 V Single phase Maximum 7 5A running current Plug socket 16A fuse rating Power cord 1 mm2 or more RAS 10GKHP AS2 8 4 3 Electrical ...

Page 37: ... and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical cords and also any specific wiring instructions or limitations For RAS 10GKH Fig 8 4 5 Stripping length of the connecting cable Fig 8 4 6 Earth line Connecting cable Terminal cover Screw Cord clamp Terminal block about 15 cm Screw Screw Earth line Con...

Page 38: ... 8 4 11 How to fix the drains cap 1 Insert hexagonal wrench 4 mm in a center head Fig 8 4 12 2 Firmly insert drains cap Fig 8 4 13 CAUTION Firmly insert the drain hose and drain cap otherwise water may leak In case of right or left piping After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 8 4 14 In case of bottom right...

Page 39: ...ing tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc Since dewing results in a machine trouble make sure to insulate both the connecting pipes Use polyethylene foam as insulating material When bending a pipe carefully do it not to crush it Installation plate Auxiliary pipes Indoor unit Connecting cable 8 4 5 Indoor unit fixing 1 ...

Page 40: ... not disturb your neighbors A place which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in an elevated position be sure to secure its feet An allowable length of the connecting pipe is up to 10 m An allowable height level is up to 5 m A place where the drain water does not raise any pro...

Page 41: ... nut Half union Externally threaded side Internally threaded side Flare at indoor unit side Flare at outdoor unit side Mark line Outer dia R410A of copper pipe 6 35 1 5 to 2 0 9 52 1 5 to 2 0 Outer dia Tightening torque of copper pipe 6 35 16 to 18 1 6 to 1 8 kgf m Outer dia R410A Conventional of copper pipe tool used tool used 6 35 0 to 0 5 1 0 to 1 5 8 5 2 Refrigerant piping connection 1 Cut the...

Page 42: ... use R410A refrigeration cycle trouble may result 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to start evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 m...

Page 43: ...C66 2 0 mm2 or more 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 To prevent this set either unit and its remote control t...

Page 44: ... Auto Restart has been selected To cancel the Auto Restart follow the steps described in the section Auto Restart Function of the Owner s Manual Valve stem cap connection Service cap connection Valve cover 2 Set the remote control selector switch with the remote control B is indicated on the liquid crystal display when setting remote control selector switch to B A is not indicated on the display e...

Page 45: ...off even though the thermo control is operated in the Dry operation 5 6 The outdoor fan motor stops in the Heating operation 7 The compressor is not turned on even though the room temperature is in the range that the compressor is turned on 8 The operation mode changes in the Automatic operation 9 The Fan only operation continues in the Automatic operation The Hi POWER operation does not work No O...

Page 46: ...king 5Hz E OPERATION lamp is blinking 5Hz F OPERATION and TIMER lamps are blinking 5Hz G OPERATION and TIMER lamp are blinking Table 9 3 2 Diagnosis by detective operation The remote control does not work The outdoor fan does not rotate Turn off the power supply once then turn it on Try to operate the remote control The compressor operates The compressor does not operate The remote control still d...

Page 47: ...mes per 1 sec 2 Press TIMER 8 button If there is no fault with a code the indoor unit will beep once Pi and the display of the remote control will change as follows Check the unit with all 35 check codes 00 to 22 as shown in Table 9 4 1 Press TIMER 9 button to change the check code backwards If there is a fault the indoor unit will beep for 10 seconds Pi Pi Pi Note the check code on the display of...

Page 48: ...heck P C board 1 Check heat thermal fuse is blow or not Terminal block part 2 If the thermal fuse is not blow check indoor fan motor Refer to trouble shooting flow charts Replace P C borad 1 Check connective cable correct if wiring is wrong 2 Check thermal fuse and Terminal blocks 3 If it is OK check P C board 1 If overload relay and themostat for compres sor are OK check refrigerant cycle 2 If re...

Page 49: ...S YES YES NO NO NO NO Does the thermal fuse blow Under PF Terminal Wrong wiring of AC cord or connecting cable is defective Replace the thermal fuse set Check connection Is the indication voltage DC12V or 5V of main P C board correct Does the CN14 connector the wrong connecting P C board is defective Replace the main P C board Is the voltage across C63 measured DC310V 340V Refer to the paragraph P...

Page 50: ...nnecting cable is defective Replace the thermal fuse set Check connection Is the indication voltage DC12V or 5V of main P C board correct Does the CN14 connector the wrong connecting P C board is defective Replace the main P C board Is the voltage across C63 measured DC310 340V Refer to the paragraph Pre check or defective circuit before power P C board block Is the voltage across C66 Shut off the...

Page 51: ...e below Return the wiring of the power relay is returned to the normal procedure To the paragraph of No Power turns on YES NO NO YES RAS 10GKHP ES2 RAS 10GKP ES2 4 3 1 2 Black White Red Blue RY01 3 4 T02 CN31 Indoor Terminal Block 1 2 Black White RY01 3 4 CN31 Indoor Terminal Block Green yellow L N Supply AC 220 240 V 50 60 Hz Green yellow L N Supply AC 220 240 V 50 60 Hz Brown Blue Brown Blue ...

Page 52: ...nit does not operate Green Yellow White Black Indoor Terminal Block RY01 2 1 Brown Blue Power cord 3 4 CN31 49 RAS 10GKHP AS2 RAS 10GKP AS2 4 3 Brown 1 Blue 2 Black White RY01 3 4 T02 CN31 Indoor Terminal Block Green yellow Power cord ...

Page 53: ...ES YES YES YES Does the power turn on by pushing the button of the remote control Is AC 220 240V supplied between terminal block 1 2 Relays RY01 or Q16 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Does the OPERATION lamp blink See Power can not be turned on 9 5 3 Outdoor unit does not operate ...

Page 54: ...s cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the outdoor terminal 1 2 AC 220 240V Cables between indoor and outdoor units are defective Are all the cords for compressor normal Re wire or replace the defective cords Is the compressor motor winding normal Check the winding resistor Compressor is defective Is the ca...

Page 55: ...el AC 220 240V Relays RY03 or Q25 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the terminal 2 4 Heat pump model 1 2 Cooling only model AC 220 240V Cables between indoor and outdoor units are defective Are all the cords for outdoor fan motor normal Correct the wire or repl...

Page 56: ...be turned on Is the voltage across the indoor terminal 2 3 220 240V Relays RY04 or Q24 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the outdoor terminal 2 3 220 240V Cables between indoor and outdoor units are defective Is the wiring of solenoid coil for 4 way valve norma...

Page 57: ...ange the setting of cooling to high fan Does the cross flow fan rotate normally Repair the bearing of the fan Thermal fuse operated due to prevent temperature rising cause of incompleted connecting Shut off the power supply Turn on the power supply Does the fan speed become higher Operation stops Motor control circuit failure IC30 IC03 D38 R25 R26 Q17 or 12V power circuit failure Replace the P C b...

Page 58: ... hight fan Does the cross flow fan rotate normally Repair the bearing of the fan Thermal fuse operated due to prevent temperature rising cause of incompleted connecting Shut off the power supply Turn on the power supply Does the f an speed become higher Operation stops Motor control circuit failure IC30 IC03 Q17 D38 R25 R26 or 12V power circuit failure Replace the P C board Is the rotation signal ...

Page 59: ... light NO NO NO NO NO NO NO NO Is operation possible when setting the temporary switch of the air conditioner main unit to TEST RUN or TEMPORARY AUTO Can any signal tone be heard when transmitting within 5 cm distance from the radio P C board is failure Replace P C board Is operation possible when the transmitter is moved nearer to the infrared signal receiver of the air conditioner Battery life R...

Page 60: ...d hold the Whole housing Do not pull at the lead wire 2 Inspection procedres 1 When a P C board is judged to be defective check for disconnection burning or discolora tion of the copper foil pattern or this P C board 2 The P C board consists of the following 2 parts a Main P C board part power relay indoor fan motor drive circuit and control circuit C P U and peripheral circuits buzzer drive circu...

Page 61: ...6 and GND 2 Between No 1 and 2 of connect ing cable terminal block AC 220 240V 1 All indicators light for 3 sec 2 Indicators do not indicate normally after approximate 3 sec 1 Compressor does not operate 2 OPERATION lamp blinks 1 Compressor does not operate 2 OPERATION lamp blinks 1 Motor does not rotate The key operation is accepted 2 The Motor rotates but it vibrates too much Shut off the power ...

Page 62: ...se Remove the connecting cable from the terminal block Remove the connector for the motor and turn the power on If the OPERATION lamp blinks 0 5 sec ON 0 5 sec OFF when the power turning on the checking points described as 1 4 of right column are not necessary to perform Make the operation status by pushing once the button except the status of FAN ONLY ON TIMER Start the operation with the system ...

Page 63: ...e resistance value of thermo sensor Temperature 0 C 10 C 20 C 25 C 30 C Resistance value 33 8 20 35 12 59 10 00 7 99 kΩ 9 6 4 How to set cancel the self cleaning function The self cleaning function is set from a factory To cancel this function should keep press the temporary switch for 20 seconds till can hear the long combination sound and repeat the same procedure when need to set FILE NO SVM 06...

Page 64: ...he screw for the electrical part box Then remove the LED and the electrical part box from the main unit How to mount the electrical part 1 To put back the electrical part box lock it to the upper hook of the back body 2 Tighten the screws on the electrical part box 3 Connect the 3 connectors and arrange the wiring same as original condition and then tighten the screw from the LED unit to the back ...

Page 65: ... assemble cross flow fan and fan motor to the unit please turn the fan motor unit the center of its terminal meets the top position of band motor R Fix the cross flow fan with the set screw at the position where the gap between the back body and the right surface of the cross flow fan is 4 7 mm 1 Remove the front panel electrical part horizontal louver heat exchanger and the cross flow fan followi...

Page 66: ...it pulling out upward 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 10L 3 Disconnect the lead wires 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 10L 3 Disconnect the lead wires 10 2 Outdoor Unit 1 Common procedure 2 Capacitor for compressor 3 Capacitor for fan motor No Part name Procedures Remarks Uppe...

Page 67: ...rt No No No No 401 43T60001 TERMINAL 405 43T69542 PC BOARD ASSY WRS LED 402 43T60002 TERMINAL BLOCK 3P 406 43T60077 FUSE TEMPERATURE 73 C 403 43T69371 SENSOR HEAT EXCHANGER 410 43T62003 CORD CLAMP 404 43T50314 SENSOR THERMOSTAT 411 43T69544 PC BOARD RAS 10GKHP ES2 RAS 10GKHP ES2 411 43T69546 PC BOARD RAS 10GKP ES2 404 43T69005 SENSOR THERMOSTAT RAS 10GKP ES2 Description Description ...

Page 68: ...Part No No No No 401 43T60001 TERMINAL 405 43T69542 PC BOARD ASSY WRS LED 403 43T69371 SENSOR HEAT EXCHANGER 406 43T69364 FUSE TEMPERATURE 404 43T50314 SENSOR THERMOSTAT 410 43T62003 CORD CLAMP 404 43T69005 SENSOR THERMOSTAT 411 43T69544 PC BOARD RAS 10GKHP AS2 RAS 10GKP AS2 411 43T69546 PC BOARD RAS 10GKP AS2 414 43T60371 POWER CORD AS Description Description RAS 10GKHP AS2 ...

Page 69: ...3T11318 VIBRATION PROOF RUBBER 207 43T79301 CAP DRAIN 224 43T82309 INSTALLATION PLATE 208 43T21372 MOTOR STEPPING 225 43T69421 WIRELESS REMOCO 209 43T44387 REFRIGERATION CYCLE ASSY 225 43T69422 RAS 10GKHP ES2 RAS 10GKHP AS2 210 43T47353 PIPE SUCTION RAS 13 WIRELESS REMOCO 211 43T47355 PIPE SUCTION U1U2_GD RAS 10GKP ES2 RAS 10GKP AS2 212 43T11319 PIPE SHIELD 226 43T83003 HOLDER REMOTE CONTROLLER 21...

Page 70: ...INER ASSEMBLY 7 43T46332 VALVE PACKED 6 35 DIA 24 43T96305 BUSHING 8 43T46331 VALVE PACKED 9 52 DIA 25 43T62325 ELECTRIC PART COVER 9 43T47331 BONNET 6 35 DIA 26 43T19331 FIN GUARD 10 43T47332 BONNET 9 52 DIA 27 43T54303 RELAY OVERLOAD 11 43T47008 CAPILLARY TUBE 1 5 DIA 28 43T61308 ELECTRIC PARTS BASE 12 43T00468 FRONT CABINET 29 43T55338 CAPACITOR PLASTIC FILM 13 43T00459 LEFT CABINET 30 43T55325...

Page 71: ...R BASE 7 43T46332 VALVE PACKED 6 35 DIA 22 43T19330 PACKED VALVE COVER 8 43T46331 VALVE PACKED 9 52 DIA 23 43T00460 UPPER CABINER ASSEMBLY 9 43T47331 BONNET 6 35 DIA 24 43T96305 BUSHING 10 43T47332 BONNET 9 52 DIA 25 43T62325 ELECTRIC PART COVER 11 43T47008 CAPILLARY TUBE 1 5 DIA 26 43T19331 FIN GUARD 12 43T00468 FRONT CABINET 27 43T54303 RELAY OVERLOAD 13 43T00459 LEFT CABINET 28 43T61308 ELECTRI...

Page 72: ... 72 FILE NO SVM 03001 1 TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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