LG AS-H1863*M3 Service Manual Download Page 62

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66 Room Air Conditioner

Replacement Parts List

NOTE)

Please ensure GCSC since these parts may be changed depending upon the buyer's request.

(GCSC WEBSITE http://biz.LGservice.com)

131410 CHASSIS ASSEMBLY

3141A20012A 3141A20012A 3141A20012A 3141A20012A 3141A20012A 3141A20012A 3141A20012A

135311 GRILLE ASSEMBLY,DISCHARGE(INDOOR) 3531A20231C 3531A20231C 3531A20231C 3531A20231G 3531A20231C 3531A20231F 3531A20231C

135312 GRILLE ASSEMBLY,

MIRROR 3531A20230P 3531A20263G 3531A20303B 3531A20263N 3531A20267H 3531A20291J 3531A20263G

FRONT(INDOOR)

BLUE

3531A20263C 3531A20263J 3531A20303C 3531A20263C 3531A20267F 3531A20291C

WHITE

3531A20263F 3531A20263M 3531A20303D 3531A20263F 3531A20263M 3531A20291G

WOOD

3531A20303G 3531A20267B 3531A20267G

METAL

3531A20263B 3531A20263H 3531A20303E 3531A20267C 3531A20267J 3531A20291A

CHERRY

3531A20303F 3531A20263E 3531A20263L

135314 GRILLE ASSEMBLY,INLET

MIRROR 3531A20232B 3531A20232B 3531A20290E 3531A20232B 3531A30232B 3531A20290E 3531A20232B

BLUE

3531A20244B 3531A20244B 3531A20290B 3531A20244B 3531A20244B 3531A20290B

WHITE

3531A20244E 3531A20244E 3531A20290D 3531A20244E 3531A20244E 3531A20290D

WOOD

3531A20290C 3531A20244C 3531A20244C

METAL

3531A20244A 3531A20244A 3531A20290A 3531A20244A 3531A20244A 3531A20290A

CHERRY

3531A20290F 3531A20244D 3531A20244D

135516 COVER ASSEMBLY,MOTOR

3551A20099N 3551A20099N 3551A20099N 3551A20099N 3551A20099M 3551A20099N 3551A20099N

145200 LINK

4520A20008A 4520A20008A 4520A20008A 4520A20008A 4520A20008A 4520A20008A 4520A20008A

145201 LINK

4520A20027A 4520A20027A 4520A20027A 4520A20027A 4520A20027A 4520A20027A

146811 MOTOR ASSEMBLY,STEP

4681A20055A 4681A20055A 4681A20055A 4681A20055A 4681A20055A 4681A20055A 4681A20055A

146811 MOTOR ASSEMBLY,STEP

4681A20055D 4681A20055D 4681A20055D 4681A20055D 4681A20055D 4681A20055D 4681A20055D

152302 FILTER(MECH),A/C

5230A20047B 5230A20047A 5230A20047A 5230A20047A 5230A20047A 5230A20047A 5230A20047A

159830 AIR CLEANER ASSEMBLY

5983A10006X 5983A10006X 5983A10006X 5983A10006X 5983A10006U 5983A20010E 5983A10006X

159901 VANE,HORIZONTAL

5990A20042B 5990A20042B 5990A20042B 5990A20042B 5990A20042B 5990A20042B 5990A20042B

249951 CONTROL BOX ASSEMBLY,INDOOR

4995A20379K 4995A20379M 4995A20486P 4995A20379L 4995A20379M 4995A20486K 4995A20379U

263230 THERMISTOR ASSEMBLY

6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H

264110 POWER CORD ASSEMBLY

6411A20026V 6411A20026W 3H03671G

6411A20026V 6411A30001K 6411A20026W 6411A20026Z

266090 H.V ASSEMBLY

6609A10005A 6609A10005A 6609A10005A 6609A10005A 6609A10005A 6609A10005D 6609A10005A

267110 REMOTE CONTROLLER ASSEMBLY

6711A20077U 6711A20073Y 6711A20091J 6711A20077U 6711A20073Y 6711A20073Y 6711A20048G

268712 PWB(PCB) ASSEMBLY, DISPLAY

6871A20463B 6871A20463A 6871A20463F 6871A20463B 6871A20463A 6871A20463A

268714 PWB(PCB) ASSEMBLY,MAIN

6871A10143Q 6871A10143S 6871A10056Q 6871A10143R 6871A10143T 6871A10143V 6871A10143V

342800 BEARING

4280A20004A 4280A20004A 4280A20004A 4280A20004A 4280A20004A 4280A20004A 4280A20004A

342800 BEARING

4280A20006D 4280A20006D 4280A20006D

346810 MOTOR ASSEMBLY,INDOOR

4681A20003B 4681A20003B 4681A20003B 4681A20067A 4681A20067A 4681A20067C 4681A20067C

35211B TUBE ASSEMBLY,TUBING

5211A30439A 5211A30439A 5211A30439A 5211A30038Z 5211A30038Z 5211A30038Z 5211A30038Z

352150 HOSE ASSEMBLY,DRAIN

5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R

354210 EVAPORATOR ASSEMBLY,FIRST

5421A20211B 5421A20211B 5421A20211A 5421A20211B 5421A20211A 5421A20211A 5421A20211A

359011 FAN ASSEMBLY,CROSS FLOW

5901A20017C 5901A20017C 5901A20017C 5901A20017C 5901A20017C 5901A20017C 5901A20017C

668713 PWB(PCB) ASSEMBLY,SUB

6871A20259A 6871A20259A 6871A20259A 6871A20258C 6871A20259A 6871A20259A 6871A20259A

668713 PWB(PCB) ASSEMBLY,SUB

6871A20258C 6871A20258C 6871A20258C 6871A20259A 6871A20258C 6871A20258E 6871A20258C

733010 PLATE ASSEMBLY,INSTALL

3301A10002A 3301A10002A 3301A10002A 3301A10002A 3301A10002A 3301A10002A 3301A10002A

W0CZZ CAPACITOR,DRAWING

3H01487G

LOCATION

DESCRIPTION

PART No.

REMARKS

No.

LS-C1823*M0 LS-H1823*M0 LS-C1823*M2 LS-C1863*M0 LS-H1863*M0

AS-H1863*M0

(SUFFIX:****EEU)

AS-H1863RM0
(SUFFIX:****LAP)

Summary of Contents for AS-H1863*M3

Page 1: ...DELS LS C1863R W B D M CM0 LS H1863R W B D M CM0 LS C2463R W B D M CM0 LS H2463R W B D M CM0 LS C1823R W B D M CM0 LS C1823R W B D M CM2 LS H1823R W B D M CM0 LS C2423R W B D M CM0 LS H2423R W B D M CM0 AS H2463R D M WM1 AS H1863B M R WM0 AS H2463R D M WM1 LS C2463B C D M RM1 LS C1823RM1 LS H1863B D M R WM1 AS H1863 M3 AS H2463 M3 LS H1863 M3 LS C2463 M3 LS H2463 M3 LS C1863 M3 LS C2463 M4 ...

Page 2: ... Indoor Unit 22 Connecting the Cables to the Outdoor Unit 23 Checking the Drainage 23 Forming the Piping 24 Air Purging 25 Air Purging with Vacuum Pump 25 Test Running 27 Operation 28 Function of Controls 28 Display Function 35 Self diagnosis Function 36 Remote Control Operations 37 Disassembly 38 Indoor Unit 38 Troubleshooting Guide 41 Refrigeration Cycle Diagram 41 2 way 3 way Valve 42 Cycle Par...

Page 3: ...0Hz 7 Chassis 1 9 Name of Chassis of Unit Ex 3 S3 Chassis 8 Look A Z Look Color Artcool Model 9 Function A Z 10 Serial No 1 9 LG Model De ARTCOOL COLOR velopment Serial No Basic A Basic 4Way B Plasma Filter C Plasma Filter 4 Way D Tele LCD E Tele LCD Nano plasma 4Way F Nano Plasma F A changeover A clean Low A G Nano Plasma F A changeover A clean 4way Low A H Tele LED 4way I Internet J Plasma F 4Wa...

Page 4: ...W W mm 1170 H mm 315 D mm 173 Model Dimension INDOOR UNIT Indoor Unit This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that may cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols used in this Manual ...

Page 5: ... LS C1863R W B D M CM0 LS H1863R W B D M CM0 LS C2463R W B D M CM0 LS H2463R W B D M CM0 LS H2423R W B D M CM0 AS H1863B M R WM0 AS H2463B M R WM0 LS C2463B C D M RM1 LS C1823RM1 LS H1863B D M R WM1 LS H1863 M3 LS C2463 M3 LS H2463 M3 LS C1863 M3 LS C2463 M4 AS H2463R D M WM1 Service Manual 9 Outdoor Unit Dimensions W L7 L6 L8 L9 D L1 L2 L3 L10 L11 L4 L5 H Gas side Liquid side MODEL DIM ...

Page 6: ...nsions W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL DIM unit W mm 840 H mm 577 D mm 276 L1 mm 287 L2 mm 64 L3 mm 518 L4 mm 10 L5 mm 100 LS C1823R W B D M CM2 AS H1863 M3 LS C2423R W B D M CM0 AS H2463 M3 ...

Page 7: ... L6 L7 L8L9 L10 Liquid side 2 way valve Gas side 3 way valve MODEL DIM unit W mm 801 H mm 555 D mm 262 L1 mm 339 L2 mm 37 L3 mm 543 6 L4 mm 11 4 L5 mm 591 L6 mm 105 L7 mm 105 L8 mm 72 5 L9 mm 86 4 L10 mm 77 LS C1823R W B D M CM0 LS H1823R W B D M CM0 ...

Page 8: ... built over the unit to prevent direct sunlight or rain exposure make sure that heat radia tion from the condenser is not restricted 2 Ensure that the space around the back and sides is more than 10cm The front of the unit should have more than 70cm of space 3 Do not place animals and plants in the path of the warm air 4 Take the weight of the air conditioner into account and select a place where ...

Page 9: ...n the basis of reliability Oil trap should be installed every 5 7 meters Pipe Size Capacity Btu h GAS LIQUID Max Length A m Additional Refrigerant g m Max Elevation B m Standard Length m 5k 14k 3 8 Ø9 52 1 4 Ø6 35 4 or 7 5 20 1 2 Ø12 7 1 4 Ø6 35 4 or 7 5 20 20 1 2 Ø12 7 1 4 Ø6 35 4 or 7 5 18k 28k 5 8 Ø15 88 1 4 Ø6 35 4 or 7 5 5 8 Ø15 88 3 8 Ø9 52 4 or 7 5 30k 38k 5 8 Ø15 88 3 8 Ø9 52 7 5 3 4 Ø19 0...

Page 10: ...g the hole through the wall for piping connections must be done safely Fixing Installation Plate Installation Plate Type A screw Installation plate Ø70mm Left rear piping Right rear piping C D B A Ø70mm Left rear piping Right rear piping B A D C Right rear piping B A D C Installation plate SU SZ S3 Installation plate Drill the piping hole with a ø70mm hole core drill Drill the piping hole at eithe...

Page 11: ... 2 Put the end of the copper tube pipe in a downward direction as you remove burrs in order to avoid drop ping burrs into the tubing Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flaring work 1 Firmly hold copper pipe in a die in the dimension shown in the table below 2 Ca...

Page 12: ...ing hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connec tion later 3 Tape the tubing drain hose and the connecting cable Be sure that the drain hose is located at the lowest side of the bundle Locating at the uper side can cause drain pan to overflow inside the unit CAUTION If the drain hose is routed inside the room insulate the hose with an insula ti...

Page 13: ...e insulation material around the connect ing portion 1 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there may be no gap 2 Wrap the area which accommodates the rear piping housing section with vinyl tape 3 Bundle the piping and drain hose together by wrap ping them with vinyl tape for enough to cover where th...

Page 14: ...en the indoor unit and the installation plate and separate the bottom of the indoor unit from the wall Connecting the piping to the indoor unit and the drain hose to drain pipe 1 Align the center of the pipes and sufficiently tighten the flare nut by hand 2 Tighten the flare nut with a wrench 3 When extending the drain hose at the indoor unit install the drain pipe For left rear piping Drain pipe ...

Page 15: ...the rear piping housing section Reroute the pipings and the drain hose across the back of the chassis Indoor unit installation 1 Remove the spacer 2 Ensure that the hooks are properly seated on the installation plate by moving it left and right 3 Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound Plastic bands Insu...

Page 16: ...UTION Installation Information For left piping Follow the instruction below Good case Press on the upper side of clamp and unfold the tubing to downward slowly Bad case Following bending type from right to left may cause damage to the tubing ...

Page 17: ...rque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench mm inch kg m Ø6 35 1 4 1 8 Ø9 52 3 8 4 2 Ø12 7 1 2 5 5 Ø15 88 5 8 6 6 Ø19 05 3 4 6 6 Outside diameter Torque Outdoor unit Liquid side piping Smaller diameter Gas side piping Bigger diameter Torque wrench ...

Page 18: ...y may not be pulled out easily Connect the wires according to color codes referring to the wiring diagram CAUTION If a power plug is not used provide a circuit breaker between power source and the unit as shown by CAUTION The power cord connected to the A unit should be selected according to the following specifications Type B approved by HAR or SAA The power connecting cable connecting the indoor...

Page 19: ...tions to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 6 Confirm th...

Page 20: ...m the following Tape the piping drain hose and connecting cable from down to up Secure the tapped piping along the exterior wall using saddle or equivalent 3 In cases where the Outdoor unit is installed above the Indoor unit perform the following Tape the piping and connecting cable from down to up Secure the taped piping along the exterior wall Form a trap to prevent water entering the room Fix t...

Page 21: ...or unit Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this stage 2 Leak test Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylin der valve when the gauge reading reached 150 P S I G Next test ...

Page 22: ...urely with an adjustable wrench This process is very important to prevent leakage from the system Replace the valve caps at both gas and liquid side service valves and fasten them tight This completes air purging with a vacuum pump The air conditioner is now ready to test run 1 Remove the caps from the 2 way and 3 way valves 2 Remove the service port cap from the 3 way valve 3 To open the 2 way va...

Page 23: ...eference the gas side pressure of optimum condition is as below Cooling If the actual pressure is higher than shown the system is most likely over charged and charge should be removed If the actual pres sure are lower than shown the system is most likely undercharged and charge should be added The air conditioner is now ready for use NOTICE NOTICE Bolt Tubing connection Discharge temperature Disch...

Page 24: ...e in appliance pause Timer Indicator On while in timer mode on off and in sleep timer mode off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control Plasma Indicator On while in plasma mode off while plasma mode is canceled Auto restart Indicator On while auto restart mode off while auto restart mode is cancel...

Page 25: ... fan is off when the indoor pipe temp is below 33 C when above 35 C it operates with the low airflow speed If overloaded while in heating mode operation in order to prevent the compressor from OLP operation the out door fan is turned on off according to the indoor pipe temp While in defrost control both of the indoor and outdoor fans are turned off Defrost Control While in heating mode operation i...

Page 26: ... carried out for 10 sec or longer before Fuzzy operation the mode before Fuzzy operation is operated 1 Fuzzy Operation for Cooling According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned on Compressor ON Temp Setting Temp 0 5 C Compres...

Page 27: ...d according to the intake air temp at that time 20 C Intake Air Temp Intake Air Temp 0 5 C Intake Air Temp 20 C 20 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the...

Page 28: ...ion Jet Cool Mode Operation C O Model If the Jet Cool key is input at any operation mode while in appliance operation the Jet Cool mode operates In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C When the sleep timer mode is input while in the Jet ...

Page 29: ... and Press the power button let it be pressed for about 3 seconds If you want to stop the operation re press the button Protection of the evaporator pipe from frosting If the indoor pipe temp is below 0 C in 7 min after the compressor operates without any pause while in cooling cycle operation mode the compressor and the outdoor fan are turned off in order to protect the indoor evapo rator pipe fr...

Page 30: ...unction The function is to be stopped while it is operating with selecting the function When an air cleaner function is selected during operation off The function will be only operated When inlet grille of air conditioner is opened during plasma operation High Voltage Generator H V B is to be stopped When inlet grille of air conditioner is closed during plasma operation High Voltage Generator H V ...

Page 31: ...odel Cooling Soft Dry Fan Heating Cooling Soft Dry Fan Sleep Mode Sleep Mode Timer Mode Timer Mode Hot start Defrost Operation Indicator Timer Indicator Sleep Timer Indicator Defrost Indicator Operation Indicator Timer Indicator Sleep Timer Indicator Outdoor Unit Operation ...

Page 32: ...r Display LED Indoor body operation LED Error contents Indoor room temperature thermistor open short Indoor pipe temperature thermistor open short Outdoor pipe temperature thermistor open short Poor communication Indoor Thermistor assembly check Outdoor Thermistor assembly check Communication line circuit check SVC check point ...

Page 33: ...d in cooling heating mode 6 CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction 7 ON OFF TIMER BUTTONS Used to set the time of starting and stopping opera tion 8 TIME SETTING BUTTONS Used to adjust the time 9 TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation 10 SLEEP MODE AUTO BUTTON ...

Page 34: ... to OFF To remove the Grille from the Chassis Hold up Inlet Grille Horizentally To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward To seperate connecter assembly and than to remove Inlet Grille assembly 1 Before removing the control box be sure to take out the wire screwed at the other end ...

Page 35: ...the control box out from the chassis careful ly 3 To remove the Discharge Grille Unhook the discharge grille and pull the dis charge grille out from the chassis carefully 4 To remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA in the Eva Holder at the right 1EA ...

Page 36: ...he Motor Cover Remove 2 securing screw Pull the motor cover out from the chassis carefully 6 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cross flow fan Remove the left end of the cross flow fan from the self aligning bearing Motor cover ...

Page 37: ...GE EVAPORATOR HEAT EXCHANGE CONDENSER HEAT EXCHANGE CONDENSER COMPRESSOR COMPRESSOR ACCUMU LATOR GAS SIDE GAS SIDE 3 WAY VALVE LIQUID SIDE LIQUID SIDE 3 WAY VALVE CAPILLARY TUBE CAPILLARY TUBE CHECK VALVE Heating Model only COOLING HEATING REVERSING VALVE Heating Model Only 1 Cooling Only Models Refrigeration Cycle Diagram 2 Cooling Heating Models ...

Page 38: ...ckwise connected manifold gauge Open Open Open with charging cylinder Open Open Open with charging cylinder Open Open Open Open Works Shipping Air purging Installation Operation Pumping down Transfering Evacuation Servicing Gas charging Servicing Pressure check Servicing Gas releasing Servicing 1 2 3 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To outdoor unit Fl...

Page 39: ...e charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indi cating 3 to 5kg cm2 g 8 Disconnect the charge set ...

Page 40: ...charge set and discharge the refrigerant until the gauge indi cates 0 kg cm2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge the refrig erant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be neces sary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too...

Page 41: ...d 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Lo Open Open Vacuum pump 3 Way valve Outdoor unit Liqu...

Page 42: ... at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while ...

Page 43: ...humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower tem perature difference is larger 2 Check temperature and pressure of refrigeration cycle 1 The suction pressure is usually 4 5 6 0 kg cm2 G Cooling at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and...

Page 44: ...bly Fuse Pattern damage Varistor ZNR01N Check the connection housing for contacting Connector related to CN POWER1 2 Connector related to CN MOTOR Connector contacting of Outdoor Fan Compressor Display PWB Assembly Check Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor and contacting condition of related connector Main PCB Board Operation Check Items SMPS Transformer Indoor unit ...

Page 45: ...in LCD screen replace battery Check the contact of CN D1 2 connector When the compressor stopped Indoor Fan is driven by a low speed At this point the wind speed is not controlled by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed by force Check Display PWB Assembly Voltage between CN D2 DC 5V Check the connecting circuit between the remote controlle...

Page 46: ...t engaged Compressor Outdoor Fan is stopped Check R02H 12 1k R04H 6 2k Micom Pin 26 27 Check the indoor temperature sensor is disconnected or not About 10kΩ at 25 C Turn off Main Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor Check the open or short of conmecting wires between indoor and outdoor Check Relay R...

Page 47: ... dehumidifying mode Change operation for cooling mode Turn off Main power Check the connection of CN MOTOR1 2 Check the Fan Motor Check the Fuse AC250V 3 15A Turn ON Main Power Check PWM signal from Micom Pin 50 Check On Off signal from micom pin14 Check Voltage of CN Motor 1 2 pin is about 15V ...

Page 48: ...ldering condition on PWB of CN UD LR1 LR2 Connector If there are no problems after above checks Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Louvers Check the operating circuit of the Louvers Confirm that there is DC 12V between pin of CN UD and GND Confirm that there is a soldering short at following terminals Between of MICOM Between of IC...

Page 49: ...ature is disconnected or not about 10KΩ at 25 C Check the indoor pipe temperature is disconnected or not about 5KΩ at 25 C Turn ON Main Power Check the DC voltage on the PWB ASSEMBLY The details of check are as followings Check point Between Micom NO 63 and GND Between IC02M NO 14 and GND Comp ON DC 5V Below DC 1V Comp OFF DC 0V About DC 12V Check point Between Micom NO 51 and GND Between IC03M No...

Page 50: ...ing Guide Turn off Main Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor 4 way Check the open or short of connecting wires between indoor and outdoor ...

Page 51: ...J 1 2W TRAICS SM1L43 100 1 2W R01J 120 1 2W R02J TR01J T1 1 4W R04J 560 ZNR02J TVR10561 TLP762JF IC01J 1 2 3 5 4 3 3 2 1 2 1 CN MOTOR FAN INDOOR MOTOR KID65004AF 1 UPD780023AGC C Vss0 5V Vdd0 8 NEC X2 Vss1 X1 INT0 INT1 BL 2 3 4 6 5 7 11 4WAY FAN 14 15 16 2 1 13 12 5 6 4 3 IC02M 10 9 7 8 12V OR YL RD PK 4 4 2 2 3 3 1 1 5 5 CN L R BL CSTS0800MG03 T2 R02A 20K 1M 5V R01B CRTL8 00MSOT OSC01B 3 1 Q01C 2...

Page 52: ... BR BL BK RD GN YL BR BL BK RD GN YL 1 L 2 N 3 4 3 4 BL BR CN U D WH CN DISP1 STEP MOTOR CN L R BL CN HVB STEP MOTOR OPTION OPTION LIMIT S W 1 LIMIT S W 2 H V B A CL RD RD BK BK SUC STEP MOTOR 2 3854A20238N FUSE AC250V T2A CN TH1 WH TRIAC SH CAPA BL BR GN YL BR YL OR BK CN TAB1 CN MOTOR CN TAB2 CN SW 2 CN SW 3 CN STEP2 CN STEP1 CN MAIN CN SW 1 RY COMP FORCED OPERATON S W SUC STEP MOTOR 1 ZNR THERM...

Page 53: ...GN YL T B CAPACITOR 1 L 2 N 3854A20167B LS C1823R W B D M CM2 TO INDOOR UNIT BLACK TERMINAL BLOCK BR T B COMP RD BL BL YL FAN MOTOR T P GN YL RD BL CAPACITOR H C F R C S BR BL GN YL BR BL GN YL 1 L 2 N 3854A20123H COMP C S R FAN MOTOR BR BR BL RD BK GN YL BR BL RD YL RD BK RD BK RD BL GN YL REVERSING RD CAPACITOR BL TO INDOOR UNIT 3854A20123J TERMINAL BLOCK H C F PTC 1 L 2 N 3 4 VALVE T B 2 T B 1 ...

Page 54: ...58 Room Air Conditioner Schematic Diagram Components Location MAIN P W B ASSEMBLY AC PART TOP VIEW 800V PWB ASM 6871A10043 PWB 6870A90177A BOTTOM VIEW ...

Page 55: ...Manual 59 Schematic Diagram DISPLAY ASSEMBLY SUB P W B ASSEMBLY 1 1 1 CN 12V WH 1 CN D6 CN D7 1 CN D8 CN D5 1 1 1 1 CN CON WH CN SW BL 1 C01V PWB ASM 6871A20363 PWB 6870A90126B CN D3 CN D1 1 CN D2 1 CN D4 C02V ...

Page 56: ...1 12 11 0 9 7 8 9 9 68 9 5 9 2 98 2 65 3 2 2 78 2 65 26 7 26 7 15 7 30 26 7 61 82 9 45 67 2 82 9 1170 315 170 1170 315 170 1170 315 170 1170 315 170 1170 315 170 870 655 320 870 655 320 801 555 262 870 655 320 870 655 320 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 60 132 60 132 38 60 132 60 132 1310 1500 1360 1470 1480 O O O O O L C D Wireless L C D Wireless L C D Wireless L C D Wireless L C D Wirele...

Page 57: ...70 1170 315 170 1170 315 170 1170 315 170 870 655 320 870 655 320 801 555 262 870 577 276 840 577 276 870 655 320 870 800 320 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 56 123 5 60 132 38 42 92 4 47 103 6 60 132 65 140 5 1 140 1 470 1 240 1 300 1 270 1 210 1 980 O O O O O O 0 L C D Wireless L C D Wireless L C D Wireless L C D Wireless L C D Wireless L C D Wireless L C D Wireless 1 4 6...

Page 58: ...xploded View 352116 352115 352150 354210 147581 249951 W0CZZ 733010 346810 131410 146811 2 135311 268711 4 342800 267110 359011 159830 146811 1 268711 4 135316 146811 1 152302 135516 268711 2 35211B 266090 268711 1 567480 Indoor Unit 135313 ...

Page 59: ...2 546810 552102 1 549610 Outdoor Unit LS C1863R W B D M CM0 LS H1863R W B D M CM0 LS C2463R W B D M CM0 LS H2463R W B D M CM0 LS C1823R W B D M CM0 LS H1823R W B D M CM0 LS H2423R W B D M CM0 AS H1863 M0 AS H2463 M0 AS H2463R D M WM1 LS C2463B C D M RM1 LS C1823RM1 LS H1863 M1 AS H1863 M3 AS H2463 M3 LS H1863 M3 LS C1863 M3 LS C2463 M4 LS H2463WM3 ...

Page 60: ...31 437212 435511 W0CZZ 552202 567502 552116 552201 554160 561410 552111 550140 552203 1 552203 2 430410 447910 649950 549610 552102 437210 435301 559010 546810 Outdoor Unit LS C2423R W B D M CM0 LS C1823R W B D M CM2 Exploded View ...

Page 61: ...230A20047A 5230A20047A 5230A20047A R 159830 AIR CLEANER ASSEMBLY 5983A10006X 5983A10006X 5983A10006U 5983A10006X 5983A20010E R 159901 VANE HORIZONTAL 5990A20042B 5990A20042B 5990A20042B 5990A20042B 5990A20042B R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20379G 4995A20379F 4995A20375N 4995A20379H 4995A20379N R 263230 THERMISTOR ASSEMBLY 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H R 26...

Page 62: ... 5983A20010E 5983A10006X R 159901 VANE HORIZONTAL 5990A20042B 5990A20042B 5990A20042B 5990A20042B 5990A20042B 5990A20042B 5990A20042B R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20379K 4995A20379M 4995A20486P 4995A20379L 4995A20379M 4995A20486K 4995A20379U R 263230 THERMISTOR ASSEMBLY 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H R 264110 POWER CORD ASSEMBLY 641...

Page 63: ...ONTAL 5990A20042A 5990A20042B 5990A20042B 5990A20042B 5990A20042B R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20379R 4995A20379V 4995A20379J 4995A20486C 4995A20313V R 263230 THERMISTOR ASSEMBLY 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H R 264110 POWER CORD ASSEMBLY 6411A20026V 6411A20026Z 6411A20026V 6411A20026W 6411A20026W R 266090 H V ASSEMBLY 6609A10005D 6609A10005A 6609A10005D 6...

Page 64: ...HORIZONTAL 5990A20042B 5990A20042B 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20486K 4995A20379R 263230 THERMISTOR ASSEMBLY 6323A20004H 6323A20004H 264110 POWER CORD ASSEMBLY 6411A20026W 6411A20026V 266090 H V ASSEMBLY 6609A10005D 6609A10005D 267110 REMOTE CONTROLLER ASSEMBLY 6711A90031Y 6711A90031Y 268712 PWB PCB ASSEMBLY DISPLAY 6871A20463A 6871A20463E 268714 PWB PCB ASSEMBLY MAIN 6871A10143V 6871A...

Page 65: ...MIRRIOR 3531A20290B R W WHITE 3531A20290E R 268712 PCB Assembly Display 6871A20463A R 152302 Filter Air 5230A20047A R 146811 Motor Assembly DC Stepping 4681A20055D R 668713 2 PCB Assembly Sub 6871A20259A R 668713 1 PCB Assembly Sub 6871A20258E R 342800 Bearing 4280A20004A R 733010 Plate Assembly Installation 3301A10002A R 267110 Remote Controller Assembly 6711A90031Y R 159830 Filter Assembly Air C...

Page 66: ...64110 POWER CORD ASSEMBLY 6411A20026W 6411A20026W 266090 H V ASSEMBLY 6609A10005D 6609A10005D 267110 REMOTE CONTROLLER ASSEMBLY 6711A90032U 6711A90032U 268714 PWB PCB ASSEMBLY MAIN 6871A10056B 6871A10056B 342800 BEARING 4280A20004A 4280A20004A 346810 MOTOR ASSEMBLY INDOOR 4681A20067C 4681A20067C 35211B TUBE ASSEMBLY TUBING 5211A30038Z 5211A30038Z 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A14007A 5211...

Page 67: ...R 4995A20486M 263230 THERMISTOR ASSEMBLY 6323A20004H 264110 POWER CORD ASSEMBLY 6411A20026V 266090 H V ASSEMBLY 6609A10005D 267110 REMOTE CONTROLLER ASSEMBLY 6711A90032U 268714 PWB PCB ASSEMBLY MAIN 6871A10056J 342800 BEARING 4280A20004A 346810 MOTOR ASSEMBLY INDOOR 4681A20067C 35211B TUBE ASSEMBLY TUBING 5211A30439D 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A14007A 352116 TUBE ASSEMBLY EVAPORATOR OU...

Page 68: ...L005A R 552102 TUBE CAPILLARY BEND 5210A21238T 5210A21238W 5210A21238V R 552111 TUBE ASSEMBLY CAPILLARY 5211A10242H 5211A10039Q R 552116 TUBE ASSEMBLY REVERSING 5211A30042W 5211A20529L R 552201 VALVE CHECK 3A01020H R 552202 VALVE REVERSING 3A02027A 3A02027A R 554031 CONDENSER ASSEMBLY BENT 5403A20164B 5403A20022R 5403A10013B 5403A10013B R 554160 COMPRESSOR 2520UHFK2DB 5417A20012N 5416A20016F 5416A...

Page 69: ...EMBLY REVERSING 5211A21200D 5221AR2938M 5211A20529N R 552201 VALVE CHECK 3A01020H 3A01020H 5220A30004A R 552202 VALVE REVERSING 3A02027G 5220AR3228C R 554031 CONDENSER ASSEMBLY BENT 5403A20072Q 5403AR6027V 5403A20164B 5403A90039Q 5403A10013B 5403A20022R R 554160 COMPRESSOR 2520UMDK2JA2520UMBK2UA 2520UMKK1FA 5416A20016A 5416A20016A 2520UTEP2AA R 559010 FAN ASSEMBLY PROPELLER 5900AR1119B 5900AR1119B...

Page 70: ...982E 4022U L005A R 552102 TUBE CAPILLARY BEND 5210A30216P 5210A20474J 5210A21238V 5210A31442C 5210A31655F R 552111 TUBE ASSEMBLY CAPILLARY 5211A10039U 5211A30769B 5211A21202B R 552116 TUBE ASSEMBLY REVERSING 5211A20529M 5211A20529P 5211A20270R R 552201 VALVE CHECK 5220A30004A 3A01020H R 552202 VALVE REVERSING 5220AR3228C 3A02027A 3A02027G R 552203 1 VALVE SERVICE 5220A20013A 5220A20013A 2A00392N 2...

Page 71: ...80A 552102 2 TUBE CAPILLARY BEND 5424AR3479V 552111 TUBE ASSEMBLY CAPILLARY 5211A10039P 5211A10039U 552116 TUBE ASSEMBLY REVERSING 5211A20529N 5211A20529M 552201 VALVE CHECK 5220A30004A 5220A30004A 552202 VALVE REVERSING 5220AR3228C 5220AR3228C 552203 1 VALVE SERVICE 5220A20005B 5220A20013C 552203 2 VALVE SERVICE 5220A20006J 5220A20001R 554031 CONDENSER ASSEMBLY BENT 5403A20022R 5403A20022R 554160...

Page 72: ...017B 550140 GROMMET 4022U L005A 552102 TUBE CAPILLARY BEND 5210A31655F 552116 TUBE ASSEMBLY REVERSING 5211A20270R 552202 VALVE REVERSING 3A02027G 552203 1 VALVE SERVICE 5220A20005B 552203 2 VALVE SERVICE 2H01890P 554031 CONDENSER ASSEMBLY BENT 5403A20205A 554160 COMPRESSOR SET 2520UHFP2EA 559010 FAN ASSEMBLY PROPELLER 5901A10032A 561410 COIL ASSEMBLY REVERSING VALVE 3A02028Y 649950 CONTROL BOX ASS...

Page 73: ...mbly AC Outdoor 4681A20013D 4681A20013D 4681A20126A R 559010 Fan Assembly Propeller 1A00195B 1A00195B 5900AR1119B R 437212 Panel Assembly Rear Outdoor 3720AP0003D 3720AP0003D 1H00697M R 649950 Case Assembly Control Outdoor 4995A10042E 4995A11002B 4995A91459M R W0CZZ 2 Array Capacitor 2A00986Y 2A00986Y R 561410 Solenoid 3A02028Y R 437211 Panel Assembly Front Outdoor 3721A20005H 3721A20005H 2H02674V...

Page 74: ...549610 MOUNT ASSEMBLY MOTOR OUTDOOR 4961A20003D 550140 ISOLATOR COMP 5040A30017B 552102 TUBE CAPILLARY BEND 5210A21238V 552111 TUBE ASSEMBLY CAPILLARY 5211A21202J 552203 1 VALVE SERVICE 5220A20002A 552203 2 VALVE SERVICE 2A00392N 554031 CONDENSER ASSEMBLY BENT 5403A10013B 554160 COMPRESSOR 5416A20016F 559010 FAN ASSEMBLY PROPELLER 1A00195B 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10042U W0CZZ CAPA...

Page 75: ...P No 3828A20195P Printed in Korea ...

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