LG AS-W096F1GO Service Manual Download Page 58 | Manualshive

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58 Room Air Conditioner

Troubleshooting Guide

Cause of error

6

• Supplied power is not normal
• Comp Connector (CN-U,V,W) is disconnected or inserted to wrong
position
• Compressor is damaged (coil short)

➔

replace compressor

• Too much Refrigerant
• Defect in outdoor pcb assembly

➔

replace pcb assembly

DC Peak Error

Supplied voltage to
Outdoor pcb is about
AC 220/240V ?

Is connector (CN-U,V,W)
connected to compressor and
inserted to pcb in right position ?

YES

No

Check power source

No

Check CN-U,V,W connector
(U : RD, V : BL, W : YL)

Check flow

Refrigerant pressure is right ?

YES

No

Check refrigerant pressure
and adjust.

Is the compressor right ?

YES

No

Check resistance

Between U-V, V-W, U-W port.

→

Short / Open circuit

(Comp.motor coil error)

→

normal : 1 ~2

Ω

Between U,V,W and Body

°

Ê normal : over10M

Ω

Inverter components in outdoor

pcb assembly are

right ?

YES

No

* 9 K/12K Model
Check

Short of SPM3 pins (GND - P, U, V, W pin)
Direction of D01Z~D03Z, C08Z,10Z,12Z,16Z
Assembling state of R01P ~ R21P & IC01P
Assembling state of screw between INV-IC &

Heat-sink

DC 15V output of Power module.

* 18 K Model
Check

Short of SPM2 pins (GND – P, U, V, W pin)
Direction of D01Z~D03Z, C08Z,10Z,12Z,16Z
Assembling state of R01P ~ R21P & IC01P
Assembling state of screw between INV-IC &

Heat-sink

DC 15V output of Power module.

V

U

W

Ω

Description

Cause of error

Error code

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Summary of Contents for AS-W096F1GO

Page 1: ...SERVICE MANUAL LG MODELS AS W096F1GO AS W096FE V GGO AS W126F1GO AS W126FE V GGO CAUTION website http www lgservice com BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL ...

Page 2: ...4 Dimensions 10 Installation 12 Flaring work and connection of piping 15 Checking the drainage and forming the pipings 18 Air purging 19 Test running 22 Functions 23 Operation 27 Disassembly 40 Troubleshooting Guide 42 Schematic Diagram 62 Product Specifications 68 Exploded View 69 Replacement Parts List 71 ...

Page 3: ...Hz 3Phase 6 220 240V 50Hz E 265V 60Hz 7 110V 50 60Hz F 200V 50 60Hz 8 380 415V 50Hz 9 380 415V 60Hz 7 Chassis A Z Name of Chassis of Unit 8 Look A Z Look Color Artcool Model 9 Function A Z 10 Serial No 0 9 LG Model De ARTCOOL COLOR SF 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 changeove A clean Low A G Nano ...

Page 4: ... only Be sure not to do Be sure to follow the instruction Installation Do not use damaged power cords plugs or a loose sock et There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center There is risk of fire or electric shock Always use the power plug and socket with the ground terminal There is risk of electric sho...

Page 5: ...e installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage prod uct failure and personal injury Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open Moisture may condense and wet or damage furnishings Take care to ensure that power cords could not be pulled o...

Page 6: ... gas or combustibles near the air conditioner There is risk of fire or failure of product Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur Wax Thinner When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on DO NOT use the telephone or turn switches on or off There is risk of explosion or fire Unplug the un...

Page 7: ...ce before performing cleaning or main tenance There is risk of electrical shock When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended opera tion Take care to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage Always check fo...

Page 8: ... airflow at room occupants Don t sit in the draft This could damage your health Do not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigeration system There is risk of damage or loss of property Do not block the inlet or outlet of air flow It may cause product failure Use a soft cloth to clean Do not use harsh det...

Page 9: ...t sanitary and could cause serious health issues Use a firm stool or ladder when cleaning or maintaining the air conditioner Be careful and avoid personal injury Replace the all batteries in the remote control with new ones of the same type Do not mix old and new batteries or different types of bat teries There is risk of fire or explosion Do not recharge or disassemble the batteries Do not dispos...

Page 10: ...e H W D W mm 600 H mm 600 D mm 146 143 Model Dimension INDOOR Indoor Unit This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that could cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols Used in this Manual ...

Page 11: ...rvice Manual 11 W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL DIM unit W mm 770 H mm 545 D mm 245 L1 mm 285 L2 mm 64 L3 mm 518 L4 mm 10 L5 mm 100 Dimensions Outdoor Unit OUTDOOR ...

Page 12: ...eighbors Rooftop Installations If the outdoor unit is installed on a roof structure be sure to level the unit Ensure the roof structure and anchoring method are adequate for the unit location Consult local codes regarding rooftop mounting More than 20cm More than 50cm More than 1 5m More than 50cm Capacity is based on standard length and maxi mum allowance length is on the basis of reliability Oil...

Page 13: ...ll up the side cover of desired connecting direction then cover side is separated 3 Pick the pipe hole of the side cover CAUTION After removing the pipe hole cut the burr for safety When making pipe path through rear wall you don t need to pick the pipe hole NOTICE Drain hose junction 1 Remove the rubber stopple in the desired drain direc tion 2 Insert drain hose into the handle of drain pan and j...

Page 14: ...c anchors into drilled points 7 Hang the hole of product at the upper screws and remove the map Falling attention 9 Check the fixed product with light power 1 Attach an Installation guide map on the desired surface 2 Look at suited horizon by horizontal meter on the horizontal setting line and fix lightly the map by adhesive tape 4 Drill the pierted part as a diameter of 50mm for connecting piping...

Page 15: ...cated at the lowest side of the bundle Locating at the upper side can cause drain pan to overflow inside the unit Carry out flaring work using flaring tool as shown below Burr removal Completely remove all burrs from the cut cross section of pipe tube Put the end of the copper tube pipe in a downward direc tion as you remove burrs in order to avoid dropping burrs into the tubing Putting nut on Rem...

Page 16: ...tion material around the con necting portion Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there is no gap Wrap the area which accommodates the rear piping hous ing section with vinyl tape 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 CAUTION If t...

Page 17: ...ally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Connection of the pipes Outdoor 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 Gas side piping Bigger diameter Liquid side piping Smaller ...

Page 18: ...iping drain hose and connecting cable from down to up Secure the tapped piping along the exterior wall using sad dle or equivalent 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 the piping onto the wall by ...

Page 19: ...e tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been complet ed Remove the service valve caps from both the gas and the liquid side on the outdoor unit Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this stage Leak test Connect the manifold valve with pressure gauges and dry nitrogen gas...

Page 20: ... flare nut securely 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 ope...

Page 21: ... power cord in the bottom groove of cover side left 2 Assemble connecting lead wire with controller fix the upper part of panel front and match the lower part of panel front 3 Screw up panel front and suspend the hook of panel front in the groove Panel Front Connector Panel Front Assembly ...

Page 22: ... Heating 4 For reference 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 t...

Page 23: ...ing is for approx 2 minutes Super High High Med Low Indoor Unit Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature control Starting the Current Control Time Delay Safety Control Indoor Fan Speed Control Pre Heating Control Comp Cooling Mode Operation Healty dehumidification Mode Operation Heating Mode Operation Jet Cool Mode Operation Jet Heat Mode Operation Energy...

Page 24: ...after 1 2 3 4 5 6 7 hours The fan is switched to intermittent or irregular operation The fan speed is automatically switched from high to low speed The louver can be set at the desired position or swing up and down automatically Sleep Mode Auto Control Natural Air Control by CHAOS Logic Airflow Direction Control The function will be operated while in any operation mode with selecting the function ...

Page 25: ...xcept defrosting operation High speed Although fan motor speed is middle it will change high speed in case of below AC193V over 45 C of outdoor temp and over fc fh of comp Freq Middle speed Nomal mode Low speed Although fan motor speed is middle it will change Low speed in case of over AC 270V over 21 C Heating Mode of outdoor temp below 24 C Cooling Mode of outdoor temp When the temp of power mod...

Page 26: ...RE LOW HIGH Cooling Operation Mode Heating Operation Mode Auto Operation Mode Horizontal Airflow Direction Control Button Optional Room Temperature Display Setting the Time or Timer PLASMA Optional ON OFF SET PLASMA CANCEL Optional Auto Clean Fan Speed Selection Low Med High CHAOS Power Save Cooling Button AUTO CLEAN High 39 C Low 11 C OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 ...

Page 27: ...or short in Thermistor 3 sec off 0 5 sec on Timer Indicator ON while in timer mode on off OFF when timer mode is completed or canceled Defrost Indicator OFF except when hot start during heating mode operation or while in defrost control Sleep Indicator On during sleep reservation Off in case of cancel of sleep reservation If the indoor pipe temperaure is below 0 C in 7 min after the compressor ope...

Page 28: ...99 C Step 5 1 0 1 49 C Step 4 0 5 0 99 C Step 3 0 0 0 49 C Step 2 0 5 0 C Step 1 The operating freq step of comp The targeting operating freq of comp each model Model AS W096F1 E V GG0 25 35 40 53 64 73 82 AS W126F1 E V GG0 25 35 40 53 64 73 82 Comp Operating frequency Step 1 Step 2 Step 3 Step 4 Step 5 Fc Step 6 Step 7 Healthy Dehumidification mode operation When the dehumidification operation is...

Page 29: ...cy Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 The operating freq step of comp Heating mode operation While in heating mode or Fuzzy operation the Jet Cool key cannot be input When it is input while in the other mode operation cooling dehumidification ventilation the Jet Cool mode is operated In the Jet Cool mode the indoor fan is operated super high speed for 30 min at cooling mode operation...

Page 30: ...o the setting temperature 30 C When the sleep timer mode input while the Jet Heat mode operation the Jet Heat mode has the priority When the Jet Heat key is input the upper lower vane is reset to those of the initial Jet heating mode and then operated in order that the air outflow could reach under flow CLOSED Mode 8 Mode 7 Mode 6 Mode 5 Mode 4 Mode 3 Mode 2 Mode 1 OPEN 65 8 20 Jet heat mode opera...

Page 31: ...he setting temperature decrease by 1 C After another 60min elapse it decreases by 1 C again Setting temp C 1 0 C up 1 0 C up Cooling ON temp Setting temp 0 5 C Cooling OFF temp Setting temp 0 5 C 0 5 1 Sleep time hr Setting temp C Heating ON temp Setting temp Heating OFF temp Setting temp 3 0 C 1 2 Sleep time hr 1 0 C down 1 0 C down When the sleep time is reached after 1 2 3 4 5 6 7hr is input by...

Page 32: ...the remote control is lost the forced operation selection switch is on the main unit of the appliance to operate the appliance in the standard conditions The operation condition is set according to the outdoor temp and intake air temperature as follows The unit select before operating mode in 3 hours Press the Tact Switch for compulsory operation of the main body for 3 seconds in order to operate ...

Page 33: ...evel between intial value and in case dectection of dc paeak current Control table DC Peak Current Error by a fault signal of IPM If the operating current of IPM reaches 35A 3A the compressor stop instantly If DC PEAK occurs 5 times within 1 hour the appliance turns off and blinks 6 times ERROR CODE6 DC Peak Current Error by the compressor lock If the DC LINK voltage below DC 140V occurs 5 times w...

Page 34: ...antly It will be limited the compressor operating frequency according to the compressor dome TH Refer to below Fig Temperature range by COMP SPEC varies by 10 C Portection from overheating of power module Portection from overheating of compressor T off C T2 C Heat Sink Temp T1 C T on C COMP Freq Free OFF Free Fc 1 Fc 1 Fc 2 Fc 2 T T off T on T1 T on T T2 T on 2 T D Pipe Temp COMP Freq Free Free Fh...

Page 35: ...ndoor FAN Indoor FAN Pre Heat LED 5sec 5sec Minimum Time Of Heating Main Deice time 30sec 10sec 1min ON OFF Hi Speed ON Setting Speed Hot Start OFF Super low speed low speed ON OFF OFF Deice STEP 0 1 2 3 4 5 6 EEV Open step The Degree of Superheat Control Starting Step off Min Option _ 12 Step 3 Option _ 15 300 Option _ 14 off Step 5 Option _ 13 Min Option _ 12 off 15sec Min Option _ 12 Min Option...

Page 36: ...ges the operation mode automatically to keep indoor tempera ture When room temperature vary over 2 C with respect to setting temperature air condition er keeps the room temperature in 2 C with respect to setting temperature by auto change mode If outdoor temperature drops below certain temperature liquid back is prevented by reducing fan speed It can prevent frosting of evaporator and keep cooling...

Page 37: ...se preheat operation if meeting one or more of conditions where outdoor temperature is more than 5 C where diacharge temperature of the compressor is more than 25 C where the compressor turns on 1 The buzzer sounds 3 times if pressing the tact switch for 10seconds If turning off the tack switch in this case the operation LED flickers and existing additional heat Logic is toggled 2 Display of opera...

Page 38: ...k rpm of the BLDC fan motor is successively less than 50 for 12 seconds in the operation condition of the indoor fan it is considered as lock of the indoor fan If detected as lock of the indoor fan immediately turn off the compressor and stop the indoor appliances Error is displayed through the indoor error display LED in this time Periodically flickers 8 times The indoor unit detects the fan lock...

Page 39: ...uto operation 11 AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating ENERGY SAVING COOLING MODE BUTTON OPTIONAL For inverter type models 12 ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature 13 PLASMA BUTTON OPTIONAL Used to start or stop the plasma purification function 14 HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON OPTIONAL Used to set the desired ho...

Page 40: ...at the lower part Detach the front panel from the body To detach the panel disconnect the connector at the upper part 2 To remove the Control Box Before removing the control box be sure to disconnect the wires from PWB Pull the cover control out from the control box and disconnect other wires Remove securing screws Pull the control box out from the chassis carefully Panel Front Connector Sensor Co...

Page 41: ...g the Turbo Fan Remove the securing screws from the chassis Pull the drain pan top cover and the air guide 5 To remove the Motor Remove the securing bolt from the motor shaft Pull the fan out from the motor shaft Remove 4 screws securing motor mount from the chassis and lift up the motor mount and the bracket Top Cover Air Guide Motor Mount Bolt Turbo Fan Bracket ...

Page 42: ...UMU LATOR GAS SIDE 3 WAY VALVE LIQUID SIDE EEV 3 WAY VALVE COOLING HEATING REVERSING VALVE INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR ACCUMU LATOR GAS SIDE 3 WAY VALVE LIQUID SIDE 3 WAY VALVE COOLING HEATING REVERSING VALVE 1 Model Capillary Tube Refrigeration Cycle Diagram 2 Model Adopted Electrion Expansion Valve ...

Page 43: ...ise 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 Flare...

Page 44: ...t Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute Repeat this three times 5 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 6 Set the 3 way valve to the back seat 7 Mount the valve stem nuts to the 2 way and 3 way valves 8 Check for gas leakage At this time especially check for gas leakage from the 2 way and ...

Page 45: ...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 46: ...ch to tighten the flare nut on liquid side valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and dis charge the refrigerant until the gauge indicates 3 to 5 kg cm2 g 6 Disconnect the charge set and the gas cylin der and set the Liquid side and Gas side valves to the open position Be sure to use a hexagonal wren...

Page 47: ...rge 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 su...

Page 48: ...ward 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 L...

Page 49: ... 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 ope...

Page 50: ...ir 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 8 5 9 5kg cm2 G Cooling at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing a...

Page 51: ... O O O O O O O O O Indoor Temp sensor error Sensor open or short Heat Sink sensor error Sensor open or short Heat Sink temp is over 95 Communication error Outdoor Temp sensor error Sensor open or short DC Peak error Over current error CT2 ON ON ON OFF SHUT DOWN SHUT DOWN 9times 9times 3 sec 10times 10times 3 sec 3 sec 3 sec 3 sec 3 sec 2times 10 ON Outdoor fan lock error D Pipe TH is short or open...

Page 52: ...Cord Off On Troubleshooting Guide Precaution in Service or Check Even after stopping the operation of product it takes some time to discharge the remaining electricity of the electrolytic capacitor that was charged Before starting a checking or repairing job pull out the plug out of the outlet and make sure that the lamp on the control board outdoor unit is off The Diagnosis Procedure Check the su...

Page 53: ...wer AC220V AC240V 50Hz The voltage of main power The voltage applied to the unit The connecting method of Indoor Outdoor connecting cable each color The P C B Ass y Fuse Noise Filter Power Module Bridge Diode etc Trouble 1 NO YES The operation check of the Indoor P C B Ass y Procedure 1 The input voltage of power mod ule 2 The output voltage of power mod ule 4 IC04D 7805 5 IC01A KIA7036 Specificat...

Page 54: ...d by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed as force Caused by the remote controller Caused by other parts except the remote controller When the mark is displayed in LCD screen replace battery Check the contact of CN DISP 1 2 connector Check DISP P C B Ass y Voltage between CN DISP1 DC 5V Check point Check the connecting circuit between MICO...

Page 55: ...istance of TH air about 10k Ω at 25 C pipe about 5k Ω at 25 C YES No Check soldering state of R01H R04H C01H C02H Check flow 2 Outdoor TH sensor is short or open Outdoor TH sensor is not connected to the outdoorpcb assembly Damage or defect on the sensing circuit of outdoorpcb assembly R03H R06H C02H C03H Outdoor TH is short or open Description Error code Error code Cause of error Outdoor TH is co...

Page 56: ...C01H Heat sink Temp is over 95 C Heat sink TH is open or short Heat sink TH in INV IC is Right Sensing circuit of outdoor pcb is right YES No Check heat sink TH Measure resistance of TH about 10k Ω at 25 C Heat sink TH is connected to outdoor PCB assembly YES No Connect to CN TH2 in outdoor PCB assembly No Check soldering state of R01H R02H C01H Check flow Description Cause of error Error code ...

Page 57: ...in outdoor about AC 220 240V YES No Indoor Outdoor 1 BR 1 BR 2 BL 2 BL 3 GN YL 3 GN YL 4 RD 4 RD No Check power connector Is not connected to the T Block in indoor unit Check flow Is the voltage of GND DC5V in Outdoor pcb about DC 5V YES No Check FUSE NF01 02J PTC Power Module BD 01S in Outdoor pcb assembly Communication circuit of indoor outdoor pcb Is right YES No Check IC01K IC02K D01K D03K ZD0...

Page 58: ...ight YES No Check refrigerant pressure and adjust Is the compressor right YES No Check resistance Between U V V W U W port Short Open circuit Comp motor coil error normal 1 2 Ω Between U V W and Body Ê normal over10M Ω Inverter components in outdoor pcb assembly are right YES No 9 K 12K Model Check Short of SPM3 pins GND P U V W pin Direction of D01Z D03Z C08Z 10Z 12Z 16Z Assembling state of R01P ...

Page 59: ...ally YES No Check power source No Check indoor outdoor fan and adjust Check flow Refrigerant pressure is right YES No Check refrigerant pressure and adjust Current sensing circuit is right YES No Check current sensing circuit check CT is damaged in outdoor pcb output wire is disconnected to pin or not BD01N is inserted in right position refer marking on pcb and component Spec of R01N 1kΩ R02N 1 65...

Page 60: ...Driving circuit Soldering state Direction R01F R09F C01F C03F IC01F IC03F Q01F Q02F ZD01F 9 Outdoor fan is locked by an obstacle ex branch of tree bar etc Fan connector is not connected to outdoor pcb assembly Defective in DC fan driving circuit Outdoor fan is locked BLDC fan model only Outdoor fan is rotating 1 Outdoor fan is rotating 2 YES No Check outdoor unit remove obstacles in outdoor unit N...

Page 61: ...f outdoor pcb assembly D Pipe TH is short or open D_PIPE TH is connected to Outdoor pcb assembly D_PIPE TH is right YES No Connect to CN D_PIPE in outdoor pcb assembly Sensing circuit of outdoor pcb is right No Check D_PIPE TH Measure resistance of TH about 200kΩ at 25 C YES No Check soldering state of R07H R08H C04H Check flow Description Cause of error Error code ...

Page 62: ...62 Room Air Conditioner Wiring Diagram Schematic Diagram Indoor Unit Models AS W096F1 E V GG0 AS W126F1 E V GG0 Schematic Diagram ...

Page 63: ...Service Manual 63 Schematic Diagram Outdoor Unit Models ASUW096FUG0 ASUW126FUG0 ...

Page 64: ...64 Room Air Conditioner Schematic Diagram Components Location BOTTOM VIEW A INDOOR MAIN P W B ASSEMBLY AC PART TOP VIEW ...

Page 65: ... F R 0 4 F R 0 2 N C 1 3 H R 0 1 B R 0 7 N R 0 3 P R 0 2 P C 0 1 P R 0 1 P C 0 1 X C 1 2 B 6 0 5 0 2 0 3 0 I C 0 3 M O R 0 1 H R 0 8 H O S C 0 1 B 4 0 O R 0 2 H R 0 7 H C 1 1 B C 1 4 B C 1 3 B M I C O M R 0 1 N C 0 3 L C 0 6 H C 0 5 H C 0 4 H C N _ O P T I O N R 0 4 H C 0 3 H C 0 1 M R 0 3 H I C 0 1 M R 0 2 H C N T H 2 R 0 6 H C 0 2 H R 0 5 H C 0 1 H C N T H 1 R 0 5 Y R 0 3 F R 0 1 H C 0 2 F R 0 5...

Page 66: ...IEW PWB ASSEMBLY SUB TOP VIEW C N S W B L C N D 7 C N D 8 1 C N D 6 1 1 1 C 0 2 V C 0 1 V C N D 3 C N C O N W H 1 C N D 1 1 1 1 C N 1 2 V W H 1 C N D 4 1 P W B A S M 6 8 7 1 A 2 0 3 6 3 C N D 5 1 1 CN D6 1 CN D7 1 1 CN D8 1 C01V C02V CN SW BL CN D3 CN D1 1 1 CN CON WH 1 CN D2 CN 12V WH 1 PWB 6870A90126B 1 CN D4 PWBASM 6871A20363 CN D5 1 ...

Page 67: ...2M C08B NF01J C04J R01J SURGE WCN NOISE1 ZNR02J J28 R02J J29 J32 J31 J30 R03J C02K C03J C03K ZD03K D01K R 0 8 K ZNR01J R09K 1 CN_S VALVE1 R02K R04K IC01K R01K IC02K IC01M R10K J23 D02K ZD02K J25 J27 J26 J24 R01M ZD01K 16 LED01M C04K R03B POWER MODULE R04C R06S R23P R22P R24P R13Z CN D A EEPROM C02Y R03N C02B C02N C10S C01C C01L R01L C18Z C01F R01F R04Y R02B C09B 80 R02L C05H IC01D C03D C02D R07H R...

Page 68: ... in Length std m in Drain Hose O D I D mm in Indoor mm Dimension inch W H D Outdoor mm inch Net Weight Indoor kg lbs Outdoor kg lbs Stuffing With S Parts 20 40ft Quantity Without S Parts 20 40ft 1 118 1 118 1 300 1 300 4 436 4 436 2 321 3 009 2 700 3 500 9 212 11 942 3 009 3 439 3 500 4 000 11 942 13 648 1 118 1 118 1 300 1 300 4 436 4 436 3 009 3 611 3 500 4 200 11 942 14 330 3 611 4 299 4 200 5 ...

Page 69: ...ded View 352150 35211B 354210 135515 134210 135312 268712 152302 135500 2 145200 1 146811 2 135500 1 352116 268717 264110 266090 268714 2 268714 1 249951 159830 330870 267110 349600 346810 359012 147581 145200 2 146811 1 263230 Indoor Unit ...

Page 70: ...iew Outdoor Unit Model ASUW096FUG0 ASUW126FUG0 554031 435511 437212 554160 561410 552202 552116 55211G 561411 W6631 550140 552203 1 552203 2 430410 649950 552200 437210 435301 559010 546810 549610 658740 447910 263230 3 263230 4 668711 ...

Page 71: ... 268712 PCB Assembly 1 Kiss 6871A20921A 6871A20921A R E V G Red Silver Gold 6871A20921B 6871A20921B R 268717 PCB Assembly Sub 6871A20363G 6871A20363G R 330870 Pan Assembly Drain 3087A30009B 3087A30009B R 346810 Motor Unclassified 4681A20091A 4681A20091A R 349600 Bracket Motor 4960A20016A 4960A20016A R 352150 Hose Assembly Drain 5251AR1222R 5251AR1222R R 352380 Guide Air 5238A20046A 5238A20046A R 3...

Page 72: ...559010 Fan Assembly Propeller 5901A10033A 5901A10033A R 561410 Solenoid 6141A20010S 6141A20010S R 561411 Solenoid 6141A30003B 6141A30003B R 649950 Case Assembly Control Outdoor 4995A20520N 4995A20520M R 661400 Transformer Linear 7A 5874A90003J 5874A90003J R 9A 5874A90003E 5874A90003E R 668711 PCB Assembly Main 6871A10135N 6871A10135M R 263230 1 Thermistor Assembly 6323A20001B 6323A20001B R 263230 ...

Page 73: ...P No 3828A20926A April 2006 Printed in Korea ...

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