Toshiba RAS-13GA-ES2 Service Manual Download Page 51

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9-5-2. Power can not be turned on after replacing indoor P.C. board

<Checking Procedure>

Connect the AC

Power supply

Does the OPERATION

lamp blink?

Is it wired as shown

in Figure below?

Return the wiring of the

power relay is returned to

the normal procedure.

To the paragraph of

"No Power turns on".

YES

FILE NO. SVM-06027

–

−

1 2

Green

Yellow

PC Board

Indoor Terminal Block

Blue

Brown

Black

White

Red

Blue

Green & yellow

CN31

RY01

T02

Heat pump Model

Summary of Contents for RAS-13GA-ES2

Page 1: ...FILE NO SVM 06027 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS 13GKHP ES2 RAS 13GAH ES2 RAS 13GKP ES2 RAS 13GA ES2 RAS 13NKHP AS2 RAS 13N2AH AS2 RAS 13NKP AS2 RAS 13N2A AS2 June 2006 ...

Page 2: ...13GAH ES2 RAS 13NKHP AS2 RAS 13N2AH AS2 5 2 RAS 13GKP ES2 RAS 13GA ES2 RAS 13NKP AS2 RAS 13N2A AS2 6 CONTROL BLOCK DIAGRAM 6 1 RAS 13GKHP ES2 RAS 13GAH ES2 RAS 13NKHP AS2 RAS 13N2AH AS2 6 2 RAS 13GKP ES2 RAS 13GA ES2 RAS 13NKP AS2 RAS 13N2A AS2 4 3 Indoor Unit RAS 13GKP ES2 RAS 13NKP AS2 7 7 10 Self Cleaning function OPERATION DESCRIPTION 7 1 7 7 Current Limit Control Outline of Air Conditioner Co...

Page 3: ...ote 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 13GKHP ES2 11 6 Outdoor Unit RAS 13GAH ES2 RAS 13N2AH AS2 11 7 Outdoor Unit RAS 13GA ES2 RAS 13N2A AS2 This air conditioner is charged with HFC R410A that doesn t deplete the Ozone layer This air conditioner requires special insta...

Page 4: ...ximum length 15 1 One way Maximum height difference INDOOR UNIT RAS 13NKHP AS2 RAS 13NKP AS2 Height mm 275 Dimensions Width mm 790 Depth mm 218 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 630 650 630 Airflow volume Medium fan m3 h 520 550 520 Low fan m3 h 430 490 430 Fan motor output W 20 Air filter Honeycomb woven filter with PP frame OUTDOOR UNIT RAS...

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 06027 ...

Page 6: ...lare 6 35 For stud bolt 8 10 For stud bolt 6 Installation plate outline Center line Minimum distance to ceiling 170 or more Minimum distance to ceiling 170 or more 65 or more Minimum distance to ceiling Wireless remote control 57 18 160 Flare 12 7 Connecting pipe 0 33m FILE NO SVM 06027 6 60 Front panel Heat exchanger Air filter Air inlet Air outlet 275 790 Knock out system Knock out system 60 6 2...

Page 7: ...part cover Liquid side Flare 6 35 Ø Ø Gas side Flare 12 7 Service port 4x 11 Long holes For 8 10 anchor bolt Air outlel 100 or more 100 or more 600 or more 600 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 FILE NO SVM 06027 6 ...

Page 8: ...4 3 2 1 5 4 3 2 1 INFRARED RAYS RECEIVE AND INDICATION PARTS CN25 PNK L01 BLU BLU BLU BLU BLU BLU WHI YEL YEL YEL YEL WHI AC FAN MOTOR BLU BLU BLU BLU R27 PNK 1 1 2 2 3 3 4 4 5 5 6 6 150 C R26 R25 BLK BLK BLK BLK Louver Motor 1 1 2 2 7 8 9 10 3 4 5 6 1 2 11 7 8 9 10 3 4 5 6 1 2 11 7 8 9 10 3 4 5 6 1 2 11 7 8 9 10 3 4 5 6 1 2 11 1 1 2 2 MAIN P C BOARD WP 003 Micro Power Module DC5V Voltage Regulato...

Page 9: ...06 1 2 1 2 1 2 1 2 WHI YEL YEL YEL YEL 2 1 4 3 PNK TEMP FUSE Heat Exchanger Sensor TC Thermo Sensor TA 73 C SINGLE PHASE PNK CN31 BLU CN14 CN25 BLU Infrared rays receiver and indication parts BLU BLU BLU BLU BLU BLU BLU BLU WHI 1 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 BLK WHI GRN YEL INDOOR TERMINAL BLOCK GRN YEL BLU N BRW L INDOOR 8 FILE ...

Page 10: ... 5 4 3 2 1 INFRARED RAYS RECEIVE AND INDICATION PARTS CN25 PNK L01 BLU BLU BLU BLU BLU BLU WHI YEL YEL YEL YEL WHI AC FAN MOTOR BLU BLU BLU BLU R27 PNK 1 1 2 2 3 3 4 4 5 5 6 6 150 C R26 R25 BLK BLK BLK BLK Louver Motor 1 1 2 2 7 8 9 10 3 4 5 6 1 2 11 7 8 9 10 3 4 5 6 1 2 11 7 8 9 10 3 4 5 6 1 2 11 7 8 9 10 3 4 5 6 1 2 11 1 1 2 2 MAIN P C BOARD WP 003 Micro Power Module DC5V Voltage Regulator T6 3A...

Page 11: ... CN06 1 2 1 2 1 2 1 2 WHI YEL YEL YEL YEL 2 1 4 3 PNK TEMP FUSE Heat Exchanger Sensor TC Thermo Sensor TA 73 C PNK CN31 BLU CN14 CN25 BLU Infrared rays receiver and indication parts BLU BLU BLU BLU BLU BLU BLU BLU WHI 1 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 6 5 8 7 9 11 10 1 4 3 2 BLK WHI GRN YEL INDOOR TERMINAL BLOCK GRN YEL BLU N BRW L INDOOR 10 FILE NO SVM 06...

Page 12: ...20 240V 50Hz for Heat pump WLF 240 42A for outdoor for 4 way valve model STF 01AJ503H1 µRM1260V DC 390V Secondary DC 12V No Parts name Type Specifications 1 Fan motor for indoor SKF 220 20 4A 1 AC Motor with 150 C thermo fuse 2 Thermo sensor TA sensor 10k at 25 C 3 Micro Power Module M01 4 Microcontroller unit IC30 TMP87CM40AN 5 Heat exchanger sensor 10k at 25 C TC sensor 6 Line filter L01 LC SS11...

Page 13: ...B306U0214S AC 440V 30µF for compressor 4 3 Indoor Unit RAS 13GKP ES2 RAS 13NKP AS2 FILE NO SVM 06027 No Parts name Type Specifications 1 Fan motor for indoor SKF 220 20 4A 1 AC Motor with 150 C thermo fuse 2 Thermo sensor TA sensor 10k at 25 C 3 Transformer 4 Microcontroller unit IC30 TMP87CM40AN 5 Heat exchanger sensor 10k at 25 C TC sensor 6 Line filter L01 SS11V 06270 27mH 600mA 7 Bridge rectif...

Page 14: ...0 10 0 High 27 19 35 24 Cooling Overload 0 99 14 0 High 32 23 43 26 Low temperature 0 65 2 0 Low 21 15 21 15 Standar d pressure P MPaG Surface temp of heat exchang er inter changing pipe T1 C Fan speed indoor 50Hz Heat exchanger Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Accumulator Heat exchanger Propeller fan Outdoor unit Capillary tube 1 0x400l Capillary t...

Page 15: ...cting pipe 6 35 T1 P Refrigerant R410A 0 98 kg 5 2 RAS 13GKP ES2 RAS 13GA ES2 Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions DB WB C Indoor Outdoor Standard 0 80 10 0 High 27 19 35 24 Cooling Overload 1 04 15 0 High 32 23 43 26 Low temperature 0 72 2 0 Low 21 15 21 15 Fan speed indoor 50Hz Standar d pressure P MPaG Surface temp of ...

Page 16: ... Relay RY01 Relay RY03 Relay RY04 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...

Page 17: ...Sign Display Fan Only 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 ...

Page 18: ...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 17 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 temperature measurement at the air ...

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: ...ns 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 is fixed ...

Page 22: ...on 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 the roo...

Page 23: ...e 4th cycle is 10 minutes When the outdoor temperature is very low however the defrost operating time is 10 minutes Fig 7 6 2 DEFROST LAMP During defrost operation the PRE DEF lamp is on and the indoor and outdoor fans are off The compressor start protection timer is inter looked with the PRE DEF lamp So the PRE DEF Lamp is off the fans stop for about 3 minutes after the button is turned on When t...

Page 24: ... a current sensor C T Fig 7 7 1 2 Current limit control Heating operation Control is performed as shown in Fig 7 7 2 Fig 7 7 2 Remark This function is available only for heat pump model Cooling models have no a current sensor C T Input current 11A I4 10A I3 6A I2 5A 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 1...

Page 25: ...roceed 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 down While the filter check lamp is on the RESET bu...

Page 26: ... lamp 7 9 1 How to turn off filter check lamp Push RESET button on the indoor unit Note If RESET button is pushed while the filter check lamp is not indicating the indoor unit will start the Automatic Operation 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...

Page 27: ...y 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 ...

Page 28: ...apacity 7 12 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: ...re 170 mm or more 1 Installation plate 170 mm or more 4 Sasa Zeolite Vitamin C filter 6 Bio enzyme The auxiliary piping can be connected the left rear left rear right right bottom right or bottom left Right Rear right Bottom right Left Rear left Bottom left Gingko filter 2 Wireless remote control 8 Pan head wood screw 4 Remote control holder 100 mm or more 600 mm or more 100 mm or more 600 mm or m...

Page 32: ...y 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 600 mm 90 mm 125 mm 108 mm 32 5 mm 86 mm 102 mm 320 mm 7 mm 3 0 Air outlet Air inlet Drain outlet Refrigerant piping Liquid side 6 35 mm Gas side 12 7 mm Pipe insulating mater...

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: ...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 35: ...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 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 13GKHP ES2 RAS 13NKHP AS2 Model RAS 13GKP ES2 RAS 13NKP AS2 Power source 50 Hz 220 240 V Single phase Maximum 12A running current Plug socket 16A fuse rating Power cord 1 3 mm2 or more 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 Heat pump 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: ...o 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 15m An allowable height level is up to 6m A place where the drain water does not raise any prob...

Page 41: ... Flare 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 12 70 2 0 to 2 5 Outer dia Tightening torque 12 70 50 to 62 5 0 to 6 2 kgf m 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 pip...

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: ...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 to B se...

Page 44: ...to 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 even...

Page 45: ...n 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 10 The Hi POWER operation does not work No Operation of air conditioner Descriptions The OPERATION lamp blinks to indicate that...

Page 46: ...amp is blinking 5Hz F OPERATION and TIMER lamps are blinking 5Hz G OPERATION TIMER and PRE DEF or FAN ONLY for cooling only model lamps 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 ...

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: ...YES 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...

Page 50: ...ive 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 C50 measured DC12V 15V Refer to the paragraph Pre check or defective circuit before power P C board block Is the secondary voltage of transformer TT 10 Shut off the powe...

Page 51: ...TION lamp blink Is it wired as shown in Figure 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 FILE NO SVM 06027 50 L N 4 3 1 2 Green Yellow PC Board Indoor Terminal Block Blue Brown Black White Red Blue Green yellow CN31 RY01 T02 Heat pump Model ...

Page 52: ...ned on NO NO NO NO YES 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 IC31 Cooling only model Q16 Heat pump only model 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 Se...

Page 53: ...oard Is 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 ...

Page 54: ...y model AC 220 240V Relays RY03 or IC31 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 o...

Page 55: ... not be turned on Is the voltage across the indoor terminal 2 3 220 240V Relays RY04 or IC31 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 outddor units are defective Is the wiring of solenoid coil for 4 way valve...

Page 56: ...ge 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 boa...

Page 57: ...o 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 IC31 TT 10 or 12V power circuit failire Replace the P C board Is the rotation signal DC 5...

Page 58: ...O 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 in a trasistor radio 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 Batt...

Page 59: ...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 60: ... LED unit Then remove the LED unit 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 body 4 Attach the TC s...

Page 61: ...the fan motor Notice To assemble cross flow fan and fan motor to the unit please turn the fan motor unit the center of its terminal meets the lowest point of band motor R point A 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 6 mm 1 Remove the front panel electrical part horizontal louver heat exchanger a...

Page 62: ...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 63: ... Location Part No No No No 401 43T60001 TERMINAL 405 43T69079 PC BOARD ASSY WRS LED 402 43T60002 TERMINAL BLOCK 3P 406 43T60077 FUSE TEMPERATURE 73C 403 43T69004 SENSOR HEAT EXCHANGER 410 43T62003 CORD CLAMP 404 43T69005 SENSOR THERMOSTAT 411 43T69568 PC BORD Description Description RAS 13GKHP ES2 ...

Page 64: ...o No No No 401 43T60001 TERMINAL 405 43T69079 PC BOARD ASSY WRS LED 402 43T60002 TERMINAL BLOCK 3P 406 43T69364 FUSE TEMPERATURE 403 43T69004 SENSOR HEAT EXCHANGER 407 43T60371 POWER CORD AS 404 43T69005 SENSOR THERMOSTAT 410 43T62003 CORD CLAMP 411 43T69432 PC BOARD Description Description 63 ...

Page 65: ... TERMINAL BLOCK 3P 406 43T60077 FUSE TEMPERATURE 73C 403 43T69004 SENSOR HEAT EXCHANGER 410 43T62003 CORD CLAMP 404 43T69005 SENSOR THERMOSTAT 411 43T69567 PC BORD 405 43T69079 PC BOARD ASSY WRS LED 412 43T69361 TRANSFORMER TT 10 Description Description 64 11 3 Indoor Unit E Parts Assy ...

Page 66: ...60374 POWER CORD AS 403 43T69004 SENSOR HEAT EXCHANGER 407 43T60374 POWER CORD AS 404 43T69005 SENSOR THERMOSTAT 410 43T62003 CORD CLAMP 405 43T69079 PC BOARD ASSY WRS LED 411 43T69367 PC BOARD 406 43T69364 FUSE TEMPERATURE 412 43T69361 TRANSFORMER TT 10 Description Description 65 11 4 Indoor Unit E Parts Assy ...

Page 67: ...T39303 BAND MOTOR R 206 43T09328 HORIZONTAL LOUVER 224 43T69421 WIRELESS REMOCO 207 43T70310 DRAIN HOSE RAS 13GKHP ES2 RAS 13NKHP AS2 208 43T79301 CAP DRAIN 224 43T69422 WIRELESS REMOCO 209 43T21372 MOTOR STEPPING RAS 13GKP ES2 RAS 13NKP AS2 210 43T44384 REFRIGERATION CYCLE ASSY 225 43T83003 HOLDER REMOTE CONTROLLER RAS 13GKHP ES2 RAS 13NKHP AS2 226 43T62302 TERMINAL COVER 210 43T44385 REFRIGERATI...

Page 68: ...32 VALVE PACKED 6 35 DIA 25 43T62325 ELECTRIC PART COVER 8 43T46335 VALVE PACKED 12 7 DIA H4 26 43T19331 FIN GUARD 9 43T47331 BONNET 6 35 DIA 28 43T61308 ELECTRIC PARTS BASE 10 43T47333 BONNET 12 70 DIA 29 43T55339 CAPACITOR PLASTIC FILM 11 43T47008 CAPILLARY TUBE 1 5 DIA 30 43T55325 CAPACITOR PLASTIC FILM 12 43T00468 FRONT CABINET 31 43T60373 TERMINAL 4P 13 43T00459 LEFT CABINET 32 43T46337 4 WAY...

Page 69: ...ALVE CONNECTION PLATE 7 43T46332 VALVE PACKED 6 35 DIA 21 43T39318 MOTOR BASE 8 43T46335 VALVE PACKED 12 7 DIA H4 22 43T19330 PACKED VALVE COVER 9 43T47331 BONNET 6 35 DIA 23 43T00460 UPPER CABINER ASSEMBLY 10 43T47333 BONNET 12 70 DIA 24 43T96305 BUSHING 11 43T47014 CAPILLARY TUBE 1 7DIA 25 43T62325 ELECTRIC PART COVER 12 43T00468 FRONT CABINET 26 43T19331 FIN GUARD 13 43T00459 LEFT CABINET 28 43...

Page 70: ... 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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