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

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FILE NO. SVM-03001

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE

Feb., 2003

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

Summary of Contents for RAS-10UA-AS2

Page 1: ... SPLIT WALL TYPE Feb 2003 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 ...

Page 2: ...2 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 4 5 Outdoor Unit RAS 10UA ES2 RAS 10UA AS2 5 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 13UKHP ES2 RAS 13UAH ES2 RAS 13UKHP AS2 RAS 13UAH AS2 5 2 RAS 10UKHP ES2 RAS 10UAH ES2 RAS 10UKHP AS2 RAS 10UAH AS2 5 3 RAS 13UKP ES2 RAS 13UA ES2 RAS 13UKP AS2 RAS 13UA AS2...

Page 3: ...oubleshooting Procedure 9 2 Basic Check Items 9 3 Primary Judgement 9 4 Self Diagnosis by Remote Control Check Code 9 5 Troubleshooting Flowcharts 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 11 2 Indoor Unit 11 3 Outdoor Unit RAS 13UAH ES2 RAS 13UAH AS2 1...

Page 4: ...m 6 35 Interconnection Connection type Flare connection pipe Maximum length m 15 1 One way Maximum height m 6 difference INDOOR UNIT RAS 13UKHP ES2 AS2 RAS 13UKP ES2 AS2 Height mm 275 Dimensions Width mm 790 Depth mm 208 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 630 650 630 Air volume Medium fan m3 h 520 550 520 Low fan m3 h 430 490 430 Fan motor out...

Page 5: ...size mm 6 35 Interconnection Connection type Flare connection pipe Maximum length m 10 1 One way Maximum height m 5 difference INDOOR UNIT RAS 10UKHP ES2 AS2 RAS 10UKP ES2 AS2 Height mm 275 Dimensions Width mm 790 Depth mm 208 Net weight kg 10 Evaporator type Finned tube Indoor fan type Cross flow fan High fan m3 h 570 610 630 Air volume Medium fan m3 h 460 520 490 Low fan m3 h 340 400 370 Fan mot...

Page 6: ...gerant RAS 13UKHP AS2 RAS 13UAH AS2 RAS 10UKHP AS2 RAS 10UAH AS2 RAS 13UKP ES2 RAS 13UA ES2 RAS 10UKP ES2 RAS 10UA ES2 RAS 13UKP AS2 RAS 13UA AS2 RAS 10UKP AS2 RAS 10UA AS2 1 No need to charge 15m or less 10m or less extra refrigerant Temperature Condition JIS C9612 1994 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...

Page 7: ...15 90 90 275 45 150 150 160 160 120 80 53 6 60 Hanger Hanger Hanger Hanger Hanger Drain hose 0 54m Connecting pipe 0 43m Flare 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 For 13 series Flare 12 7 For 10 series Fl...

Page 8: ...or 8 10 anchor bolt 436 4x 11 Long holes For 8 10 anchor bolt 11x14 Hole 6 Hole 36 52 310 330 R15 270 600 90 780 62 COVER PV Electrical part cover Liquid side Flare 6 35 Gas side Flare 9 52 10 Series Gas side Flare 12 7 13 Series Service port 600 or more 13 Series A 600 mm 400 mm B 100 mm 45 mm 10 Series B or more A or more 100 or more 325 600 Air inlet Air outlet Installation dimension 120 75 5 4...

Page 9: ... VARISTOR RY01 4 3 F01 C15 L01 IC03 C58 R48 CN01 CN03 THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN10 R46 CR03 D38 C01 R01 DB01 POWER SUPPLY CIRCUIT C02 DC12V DC5V R21 VARISTOR MAIN P C BOARD MCC 862 T6 3A 250V P04 SG01 CN04 R22 PNK PNK YEL YEL YEL WHI INFRARED RAYS RECEIVE AND INDICATION PARTS CN11 AC FAN MOTOR INDOOR OUTDOOR BLK BLK 1 3 5 1 3 5 2 4 2 4 6 6 4 5 6 7 8 9 10 11 3 1 2 3 3 2 1 1 4 4 4 ...

Page 10: ...R SUPPLY CIRCUIT C02 DC12V DC5V R21 VARISTOR MAIN P C BOARD MCC 862 T6 3A 250V P04 SG01 CN04 R22 PNK PNK YEL YEL YEL WHI INFRARED RAYS RECEIVE AND INDICATION PARTS CN11 AC FAN MOTOR INDOOR OUTDOOR BLK BLK 1 3 5 1 3 5 2 4 2 4 6 6 4 5 6 7 8 9 10 11 3 1 2 3 2 1 4 4 5 6 7 8 9 10 11 3 1 2 4 5 6 7 8 9 10 11 3 1 2 2 1 3 5 4 2 1 3 5 4 1 2 1 2 N L 1 3 5 1 3 5 1 2 1 2 3 3 1 1 2 2 BLK BLK 1 1 2 2 1 3 BROWN R...

Page 11: ...RW BLK WHI RED CN01 CN03 THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN10 CN11 AC FAN MOTOR BLK BLK 1 3 5 1 3 5 2 4 2 4 6 6 1 3 5 1 3 5 1 2 1 2 3 3 1 1 2 2 BLK BLK 1 1 2 2 BROWN RED WHITE YELLOW BLUE BLACK GRAY PINK ORANGE GREEN GREEN GRN YELLOW BRW RED WHI YEL BLU BLK GRY PNK ORN GRN YEL COLOR IDENTIFICATION BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI YEL CN25 PNK PNK YEL YEL YEL WHI INFRARED RAYS ...

Page 12: ...RW BLK WHI RED CN01 CN03 THERMO SENSOR TA HEAT EXCHANGER SENSOR TC CN10 CN11 AC FAN MOTOR BLK BLK 1 3 5 1 3 5 2 4 2 4 6 6 1 3 5 1 3 5 1 2 1 2 3 3 1 1 2 2 BLK BLK 1 1 2 2 BROWN RED WHITE YELLOW BLUE BLACK GRAY PINK ORANGE GREEN GREEN GRN YELLOW BRW RED WHI YEL BLU BLK GRY PNK ORN GRN YEL COLOR IDENTIFICATION BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI YEL CN25 PNK PNK YEL YEL YEL WHI INFRARED RAYS ...

Page 13: ...0V 11 Resistor R01 RF 2TK5R6 5 6Ω 2W 12 Louver motor MP24GA 12VDC 13 Relay Comp RY01 DI12D1 Rating 20A AC250V 12VDC 14 Relay Fan RY03 G5N 1A Rating 3A AC250V 12VDC 15 Relay Solenoide RY04 G5N 1A Rating 3A AC250V 12VDC 4 2 Outdoor Unit RAS 13UAH ES2 RAS 13UAH AS2 RAS 13UA ES2 RAS 13UA AS2 No Parts name Type Specifications Output Rated 1100W 2poles 1 phase 220 240V 50Hz 1 Compressor PA150X2T 4FM1 Wi...

Page 14: ...noid coil SQ 373 AC 220 240V for 4 way valve 4 4 Indoor Unit RAS 13UKP ES2 RAS 13UKP AS2 RAS 10UKP ES2 RAS 10UKP AS2 No Parts name Type Specifications 1 Fan motor for indoor MMF 240 20 4A 1 AC Motor with 135 C thermo fuse 2 Thermo sensor TA sensor 10kΩ at 25 C 3 Switching transformer T01 SWT 47 4 Microcontroller unit IC30 TMP87CM40AN 2C67 5 Heat exchanger sensor 10kΩ at 25 C TC sensor 6 Line filte...

Page 15: ...0Hz 1 Compressor PA108X1T 4FZ1 Winding resistance Ω C R C S at 20 C 3 89 4 51 Output Rated 20W 6poles 1 phase 220 240V 50Hz 2 Fan motor for outdoor HF 240 20B Winding resistance Ω Red Black White Black at 20 C 387 3 466 2 3 Running capacitor DS451155BPQC AC 450V 1 5µF for fan motor 4 Running capacitor DS371256CPNB AC 370V 25µF for compressor ...

Page 16: ...20 35 0 High 20 10 10 Standard 0 90 10 0 High 27 19 35 24 Cooling Overload 1 10 14 0 High 32 23 43 26 Low temperature 0 70 2 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T1 C Fan speed indoor 50Hz Evaporator Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Accumulator Condenser Propeller fan Outdoor unit Capillary tub...

Page 17: ...ad 1 15 16 0 High 32 23 43 26 Low temperature 0 85 5 0 Low 21 15 21 15 Fan speed indoor 50Hz Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Condenser Propeller fan Outdoor unit PA108X1T 4FZ1 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...

Page 18: ...ting pipe 12 7 0 49m Connecting pipe 6 35 T1 P Refrigerant R410A 0 97 kg 5 3 RAS 13UKP ES2 RAS 13UA ES2 RAS 13UKP AS2 RAS 13UA AS2 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 90 9 0 High 27 19 35 24 Cooling Overload 1 10 13 0 High 32 23 43 26 Low temperature 0 70 2 0 Low 21 15 21 15 Fan speed in...

Page 19: ... 23 43 26 Low temperature 0 85 5 0 Low 21 15 21 15 Fan speed indoor 50Hz Indoor unit Cross flow fan Cooling Cooling Compressor Condenser Propeller fan Outdoor unit PA108X1T 4FZ1 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 65 kg Evaporator Capillary tube 1...

Page 20: ... Supply Circuit Noise Filter Relay Driver Louver Driver 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...

Page 21: ...ign Display Hi Power 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 Moto...

Page 22: ...or unit controller The controller operates the indoor fan motor based upon commands transmitted by the remote control and transfers the operation commands to the outdoor unit controller The outdoor unit controller receives operation commands from the indoor unit and operates the outdoor fan motor and the compressor 1 Role of indoor unit controller The indoor unit controller receives the operation ...

Page 23: ...t air flow NOTE 1 The values marked with 1 are calculated and controlled by the difference in motor speed between M and L Fig 7 2 1 Setting of air flow FAN AUTO 2 The Hi POWER operation cannot be set 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 i...

Page 24: ...control are controlled as shown in 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 ...

Page 25: ... 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 TEMPORARY button on the indoor unit is pushed the preset temperature is fixed at 24 C and the indoor unit is controlled as shown in Fig 7 2 ...

Page 26: ...ioner operates at normal airflow level 3 Heating operation Heat pump model only The preset temperature increases 2 C The value of the preset temperature on the remote control does not change The indoor unit operates in normal heating mode except the preset temperature is higher 2 C 4 The Hi POWER mode can not be set in Dry or Fan only operation 7 4 High Temperature Limit Control Heat pump model on...

Page 27: ...ting 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 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 START STOP...

Page 28: ...P ES2 RAS 10UKHP AS2 Fig 7 7 1 2 Current limit control Heating operation Control is performed as shown in Fig 7 7 2 RAS 13UKHP ES2 RAS 13UKHP AS2 RAS 10UKHP ES2 RAS 10UKHP AS2 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 13 5A 19 2A I4 12 5A 17 8A I3 10A 15 6A I2 9A 15 0A I1 Compressor Outdoor fan More than I4 contin...

Page 29: ...o 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 TEMPORARY 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...

Page 30: ... to turn off filter check lamp Press FILTER button on the remote control OR push TEMPORARY button on the indoor unit Note If TEMPORARY button is pushed while the filter check lamp is not indicating the indoor unit will start the Automatic Operation Operation Motions Push TEMPORARY button for more The unit is on standby than three seconds The unit starts to operate The orange lamp is on After appro...

Page 31: ...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 32: ...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 33: ...ar left rear right right bottom right or bottom left Right Rear right Bottom right Insulate the refrigerant pipes separately with insulation not together For the rear left and left piping Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation 1 Installation plate Wall Left Rear left Bottom left 6 mm thick heat resisting polyethylene foam Saddle Do not all...

Page 34: ...ional installation parts Fixing bolt arrangement of outdoor unit Fig 8 3 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 cap water proof to the bottom plate of the outdoor unit before installing it Air inlet Air outlet Drain outle...

Page 35: ... Part No 7 8 9 Others Name Owner s manual Installation manual The part marked with asterisk is packaged with the outdoor unit This model is not equipped with an extension drain hose Option For the extension drain hose use an optionally available RB 821SW or commercially available one 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 ...

Page 36: ...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 37: ...arest 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 Cutting a hole Whe...

Page 38: ...e 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 13UKHP ES2 RAS 10UKHP ES2 Model RAS 13UKHP AS2 RAS 10UKHP AS2 RAS 13UKP ES2 RAS 10UKP ES2 RAS 13UKP AS2 RAS 10UKP AS2 Power source 50 Hz 220 240 V Single phase Maximum 12A 7 5A running current Plug socket 16A fuse rating P...

Page 39: ...ng the front panel 3 Slightly open the lower part of the front panel then pull the upper part of the front panel toward you to remove it from the rear plate 4 After removing the front panel remove the power cord connect cover and the cord camp 5 Connect and secure the power supply cord and secure the cord camp and the power connect cover 6 Put the power supply cord through the notch 7 Be sure to s...

Page 40: ...plate bushing 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 13 10UKH Fig 8 4 9 Stripping length of the connecting cable Fig 8 4 10 Earth line Connecting cable Terminal cover Screw Cord clamp Terminal block about 15 cm Screw Scr...

Page 41: ...heat insulator Fig 8 4 15 How to fix the drains cap 1 Insert hexagonal wrench 4 mm in a center head Fig 8 4 16 2 Firmly insert drains cap Fig 8 4 17 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 18 In ca...

Page 42: ...ut off the insulating 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 6 Ind...

Page 43: ...turb 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 RAS 10UA or 15 m RAS 13UA An allowable height level is up to 5 m RAS 10UA or 6 m RAS 13UA A place w...

Page 44: ...rnally 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 12 70 2 0 to 2 5 Outer dia Tightening torque of copper pipe 6 35 16 to 18 1 6 to 1 8 kgf m 9 52 30 to 42 3 0 to 4 2 kgf m 12 70 50 to 62 5 0 to 6 2 kgf m Outer dia R410A Conventional of copper pipe tool used tool used 6 35 0 to ...

Page 45: ...pump enters into the air conditioner which 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 minu...

Page 46: ...r 245 IEC66 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 c...

Page 47: ...cel 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 if the selector switch is set to A...

Page 48: ...ting operation starts 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 10 The Hi POWER operation does not work No Operation of air conditioner Descriptions The ...

Page 49: ... 5Hz E OPERATION lamp 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 doe...

Page 50: ...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 the remote control 2 digits alphanumeric will be indicate...

Page 51: ...or 2 If it is OK check 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 refrige...

Page 52: ...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 PC board correct Does the CN13 connector the wrong connecting P C board is defective Replace the main P C board Is the voltage across C02 measured DC310V 340V Refer to the paragraph Pre check or de...

Page 53: ...RATION 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 Double winding Indoor terminal block Power terminal block Black White Blue Brown RY01 P C board CN31 T02 Bind Band Indoor terminal block Power terminal block Black White Blue Brown RY01 P C board CN31 T02 1 2 3 4 N L 1 2...

Page 54: ...ing the START STOP button of the remote control Is AC 220 240V supplied between terminal block 1 2 Relays RY01 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 Does the OPERATION lamp blink See Power can not be turned on RAS 13UKP ES2 RAS 13UKP AS2 RAS 10UKP ES2 RAS 10UKP AS2 Indoor termin...

Page 55: ...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 56: ... 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 or...

Page 57: ...ower can 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 w...

Page 58: ...ng cable and power cord Change the setting of cooling to 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 fan speed become higher Operation stops Motor control circuit failure IC30 IC03 T01 or 12V power circuit failire D0...

Page 59: ...tting 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 5cm 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 sinnal receiver of the air conditioner Battery life Replace the batteries Reset the remote co...

Page 60: ...rs on the P C board 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 follwing 2 parts a Main P C board part power relay indoor fan motor drive circuit and control circuit C P U and peripheral circuits b...

Page 61: ...etween pin 10 of IC31 and GND Between pin 11 of IC31 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 r...

Page 62: ... 2 Then press START STOP button to transmit the signal to the indoor unit Table 9 6 2 Approximate 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 PRESET FAN MODE Hi POWER ON OFF SET CLR ECO AUTO TIMER CLOCK CHECK RESET FILTER FIX SWING MEMO START STOP 17 17 1 2 A B AUTOA ...

Page 63: ... 62 FILE NO SVM 03001 Top View Bottom View 9 6 3 P C board layout ...

Page 64: ...ve the screw from the 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 2 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: ...arate the fan and 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 4 mm 1 Remove the front panel electrical part horizontal louve...

Page 66: ...d remove 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 Rem...

Page 67: ...t Exchanger 10kΩ 25 C 404 43T69005 Sensor Thermostat 10kΩ 25 C 405 43T69079 P C Board ASSY WRS LED MCC 861 Location Part Description No No 406 43T60077 Fuse Temperature 77 C 410 43T62003 Cord Clamp 411 43T69075 P C Board RAS 10UKHP ES2 AS2 43T69076 P C Board RAS 10UKP ES2 AS2 43T69077 P C Board RAS 13UKHP ES2 AS2 43T69078 P C Board RAS 13UKP ES2 AS2 411 410 403 402 404 406 402 405 410 ...

Page 68: ...34 43T01004 Mark 11 2 Indoor Unit 217 210 211 212 201 204 202 204 234 206 228 229 205 220 219 215 218 217 214 213 208 203 225 207 222 223 224 209 231 232 226 Electric Parts Assembly 227 221 233 216 Location Part Description No No 201 43T00352 Front Panel Assy 202 43T09308 Inlet Grille Assy 203 43T03302 Back Body Assy 204 43T80301 Air Filter 205 43T09309 Horizontal Louver 206 43T08350 LED Panel Ass...

Page 69: ...sembly 11 43T46317 Valve packed 6 35 Dia 12 43T46318 Valve packed 12 7 Dia 13 43T47020 Bonnet 6 35 Dia 14 43T47018 Bonnet 12 7 Dia Location Part Description No No 15 43T03303 Fixing plate valve 16 43T47318 Tube capillary 1 2ID 17 43T47011 Tube capillary 1 5ID 18 43T41321 Compressor PA150XT2 4FM1 19 43T47324 Bolt compressor M6 20 43T49008 Cushion rubber 21 43T52310 Packed valve cover assembly 22 43...

Page 70: ...41329 Condenser assembly 11 43T46317 Valve packed 6 35 Dia 12 43T46322 Valve packed 9 52 Dia 13 43T47020 Bonnet 6 35 Dia 14 43T47021 Bonnet 9 52 Dia Location Part Description No No 15 43T03303 Fixing plate valve 16 43T47308 Tube capillary 1 0ID 17 43T47318 Tube capillary 1 2ID 18 43T41331 Compressor PA108X1T 4FZ1 19 43T47325 Bolt compressor M6 20 43T49001 Cushion rubber 21 43T52310 Packed valve co...

Page 71: ...08 Motor fan HF 240 42A 09 43T47001 Nut flange 10 43T41322 Condenser assembly 11 43T46317 Valve packed 6 35 Dia 12 43T46318 Valve packed 12 7 Dia Location Part Description No No 13 43T47020 Bonnet 6 35 Dia 14 43T47018 Bonnet 12 7 Dia 15 43T03303 Fixing plate valve 16 43T47008 Tube capillary 1 5ID 17 43T41321 Compressor PA150X2T 4FM1 18 43T47324 Bolt compressor M6 19 43T49008 Cushion rubber 20 43T5...

Page 72: ...denser assembly 11 43T46317 Valve packed 6 35 Dia 12 43T46320 Valve packed 9 52 Dia Location Part Description No No 13 43T47020 Bonnet 6 35 Dia 14 43T47021 Bonnet 9 52 Dia 15 43T03303 Fixing plate valve 16 43T47008 Tube capillary 1 5ID 17 43T41327 Compressor PA108X1T 4FZ1 18 43T47325 Bolt compressor M6 19 43T49001 Cushion rubber 20 43T52310 Packed valve cover assembly 21 43T55305 Capacitor Plastic...

Page 73: ... 72 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 ...

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