LG Portable Air Conditioner - PDF Free Download

website http://www.lgappliances.com LG LG Portable Air Conditioner SERVICE MANUAL MODEL: LP1415GXR CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. ONLY FOR AUTHORIZED SERVICE PERSONNEL.

CONTENTS 1. SAFETY PRECAUCTION...2 2. SPECIFICATIONS...3 2-1 Spec...3 2-2 Dimensions...3 3. FEATURES......4 4. INSTALLATION......6 4-1 Preparing for Installation......6. 4-2 Selection of Installation Location......7 4-3 Window Vent Pane land Extensions......8 4-4 Installationin Vertical Sliding Windows......9 4-5 Installation in casement style windows...11 5. CARE AND CLEANING...13 5-1 Cleaning the case...13 5-2 Cleaning the air filter...13 5-3 Emptying the water collection tank...14 6. OPERATION...16 6-1 Control Panel and Remote........ 16 7. DISASSEMBLELY......20 8. CIRCUIT DIAGRAM......31 8-1 Circuit diagram... 31 8-2 PCB picture.........32. 8-3 Wiring diagram......33. 9. TROUBLE SHOOTINGS...33 9-1 Safety caution......33 9-2 Error code summary...33 9-3 TROUBLESHOOTING WITH ERROR...34... 9-4 TROUBLESHOOTING ELSE............3. 6 10. COMPONENT TESTING IMFORMATION...42 10-1 Transformer...42 10-2 Up motor...43 10-3 Down motorr...44 10-4 Water pump...45 10-5 Temp sensor...46 10-6 Lever switch...48 10-7 Pressure switch...49 11. Exploded View...50 1. SAFETY PRECAUCTION Please read the following instructions before servicing your portable air conditioner. 1. Unplug the power before handling any electrical components. 2. Check the rated current, voltage, and capacity. 3. Take caution not to get water near any electrical components. 4. Use exact replacement parts. 5. Remove any objects from the top prior to tilting the product. - 2 -

2. SPECIFICATIONS 2-1 spec Buyer Model LP1415GXR PERFORMANCE Btu performance (Cooling) 14000 Dehumid. ( Pts/Hr) 3.4 Dry Air Flow (CFM) 270 dba Level (Front) 56 ELECTRICAL RATINGS Voltage / 60 Hz 115 Plug Type Watts 1380 Rated Amps 12.0 FEATURES Display Panel LED Thermostat Control YES Remote Controller LCD Remote Controller Control Button Type Standard Auto Swing Energy saver switch Auto Restart Auto Door Open/Close System Timer 24Hr,On/Off Fan Speed : Cooling 3 Fan Only 3 Compressor Rotary Indoor / Outdoor Fan Type Blower Type Air Discharge Inclinded and Top Water Full Indicator (check) Outdoor Vent / Exhaust Exhaust Only(1.5M) Power Cord Chassis Type Fixed Panel Color Gray Easy-Roll Casters Air Filter Washable Window Installation Kit DIMENSIONS & WEIGHTS Net Height_inch(mm) 33 1/16 (845) Width 18 1/2 (470) Depth 13 (330) Carton Height_inch(mm) 34 7/16 (875) Width 23 1/8 (587) Depth 17 1/2 (444) Net Weight_lbs.(kg) 69.9 (31.7) Shippling Weight_lbs.(kg) 85.4 (38.7) Stuffing Quantity (20ft/40ft/40ft High) 100/200/300 2-2 dimensions 845mm 330mm 470mm - 3 -

3. FEATURES Top panel Signal receiver Front panel Escutcheon Swing panel wheel Remote Evaporator filter grille Electric pump assemblely Outlet grille Condenser filtergrille Powder holder Drain cover - 4 -

3. FEATURES Air outlet Upper motor bracket(up) Upper motor Upper motor bracket(down) lower air channel(up) lower air channel(down) Swing fan motor evaporator Drain pan Condenser Base pan C-box cover Electric pump Pressure Switch Compressor C-Box - 5 -

4. INSTALLATION 4-1 PREPARING FOR INSTALLATION EXHAUST COMPONENTS Panel B (9 ) The following components are used for window venting. t all components are used for every installation. Flexible Venting Hose Diffuser Panel A (18 ) 1 Window Vent Panel Panel C (17 ) Panel D (17 ) 3 Extension Panels Window Installation Kit (includes 1 Window Vent Panel and 3 Extension Panels) 2 Type A Foam Seals (Adhesive) 1 Type B Foam Seal (n-adhesive) 2 Type C Foam Seals (Adhesive type-shorter) Security Bracket 2 Type A Screws 1 Type B Screw 1 Type C Screw Additional Parts (For Heating Drainage) Nut Cover Drain Pipe (In The Accessory Box) Fixing Nut (On the Vent Panel) - 6 -

4. INSTALLATION 4-2 SELECTION OF INSTALLATION LOCATION 1 Place the unit on a level floor. 2 3 For best performance,allow at least 20 in of air space on all sides of the unit for good air circulation. Place the unit near a window. The hose and diffuser will be used to connect the air conditioner to the window installation kit to vent exhaust air outside. 20 in 20 in - 7 -

4. INSTALLATION 4-3 WINDOW VENT PANEL AND EXTENSIONS The window installation kit allows you to install the air conditioner in most vertical-sliding windows 18" to 50" wide, or casement-style windows from 18" to 50 " high. Panel A B C D Window Length 18" 9" 17" 17" Fig. 18" a 19" 26" b 27" 34" c 35" 50" d 1. Please check your window length and choose the fit panels from the above tabel. 2. If your window length need more than 2 panels, after adjust the length, please use type A screw to fix them. Screw A Panel B (9 ) Panel A (18 ) Panel C (17 ) Panel D (17 ) 1 Window Vent Panel 3 Extension Panels Window Installation Kit (includes 1 Window Vent Panel and 3 Extension Panels) Panel B 18" Panel A 19" 26" Panel A Panel A Panel A 18" 19" 26" Panel B For an 18" window opening, use the window vent panel by itself. Fig. a Panel C For window openings from 19" to 26", use the window vent panel (Panel A) and a extension panel (Panel B). Fig. b Panel D 27" 34" 35" 50" Panel C Panel C Panel A Panel A Panel C Panel A Panel D Panel A 27" 34" For window openings from 27 " to 34", use the window vent panel (Panel A) and a extension panel (Panel C). Fig. c - 8-35" 50" For window openings from 35" to 50", use the window vent panel and two extension panels (Panel C and Panel D). Fig. d

4. INSTALLATION 4-4 INSTALLATION IN VERTICAL SLIDING WINDOWS NOTE: The window installation kit can be used with vertical sliding windows between 18" and 50" wide. Foam seal C (Adhesive type-shorter) Vent Panel Extension panel (if required) Foam seal A (Adhesive type) 1 Cut the foam seal A (adhesive type) & C (adhesive type-shorter) to the proper length, and attach it to the window sash and frame. 2 Insert the vent panel assembly, including extension panels, if needed, into the window opening. Extend the extension panels, if used. Foam seal B (n-adhesive type) Security Bracket Type B screw 3 Cut the foam seal B (n-adhesive type) to the window width. Stuff the foam seal B between the glass and the window to prevent air and insects from getting into the room. 4 Install the security bracket with a type B screw as shown if you need. - 9 -

4. INSTALLATION 5 Insert the diffuser into the Vent Panel. And then slide. Small gap Type C screw Second Slide First Insert First insert to the vent panel fully and then slide for locking. If you want fix the diffuser more firmly, use the type C screw. - 10 -

4. INSTALLATION 4-5 INSTALLATION IN CASEMENT STYLE WINDOWS NOTE: The window installation kit can be used with casement windows between 18 ʺ and 50ʺ tall. Foam seal C (Adhesive type-shorter) Extension panel (if required) Foam seal A (Adhesive type) Vent Panel 1 Cut the foam seal A (adhesive type) & C (adhesive type-shorter) to the proper length, and attach it to the window sash and frame. 2 Insert the vent panel assembly, including extension panels, if needed, into the window opening. Extend the extension panels, if used. Foam seal B (n-adhesive type) Security bracket Type B screw 3 Cut the foam seal B (n-adhesive type) to the window height. Stuff the foam seal B between the glass and the window to prevent air and insects from getting into the room. 4 Install the window security bracket with a type B screw as shown. - 11 -

5. CARE AND CLEANING Your air conditioner is designed for year-round operation with only minimal cleaning and maintenance. For maximum efficiency, it is recommended that you have the cooling coils inspected and cleaned annually. Your local LG Authorized Service Center can provide this inspection and cleaning service for a nominal fee. WARNING Unplug the air conditioner before cleaning or performing any maintenance or servicing. Be careful when cleaning coils or removing or reinstalling the filter-the cooling fins are sharp! Failure to follow the above precautions could result in electrical shock or personal injury. 5-1 CLEANING THE CASE Wipe the case with a slightly damp cloth, then wipe dry with a dry cloth or towel. To prevent damage to the finish, do not use gasoline, benzene, thinner, etc., or any abrasive cleansers to clean the air conditioner; they may damage the finish. Never pour water onto or into the air conditioner. It could damage internal components and create a shock and fire hazard. 5-2 CLEANING THE AIR FILTER The air filter should be cleaned every two weeks; depending on indoor air quality, more frequent cleaning may be needed. A dirty air filter will decrease airflow and reduce efficiency. Do not operate the air conditioner without the air filter in place. 1 2 3 4 Grasp the grip which is in the center and on the top of the filter and pull out the filter directly. Use a vacuum cleaner to clean the filter. If the filter is heavily soiled, it can be washed in warm water using a mild detergent. Do not use harsh cleaners or very hot water. Do not wash in a dishwasher. Allow the filter to dry completely before reinstalling. Reinsert the filter, making sure that the bottom of the filter is between the tabs and the coil guard. Reinstall the filter cover, making sure it clips into place. - 13 -

5. CARE AND CLEANING 5-3 EMPTYING THE WATER COLLECTION TANK When the internal water collection tank is full, FL will appear in the display and the air conditioner will turn off until the tank is emptied. Using the upper drain port 1 Remove the water plug firstly on the back of the product. Upper drain port Push Here before Rotation Bottom drain port 2 Install end point of the drain pipe to the unit, and put the other end of the pipe into a bucket. (Bigger than 28oz) 3 4 5 6 Press TIMER and DOWN buttons simultaneously to activate drain pump inside of product. This pump will be activated during 3 minutes. (If you want to stop draining before 3 minutes, you can press TIMER and DOWN buttons simultaneously again.) Pull out drain pipe from the product. Reassemble the drainage cover. - 14 -

5. CARE AND CLEANING Using the bottom drain port 1 2 3 Unplug the air conditioner, disconnect the exhaust hose from the back, and move the air conditioner to a suitable drain location or outdoors. You may also place a pan under the drain that will hold up to 3 pints of water. Remove the drain cap and the rubber plug from the drain outlet. Once the water collection tank is drained, reinstall the rubber plug and the drain cap, making sure it is on securely. 4 Place the air conditioner in the desired location, reconnect the exhaust hose, and plug in the air conditioner. Use Drain hose when use the DRY mode 1 2 When need running in high humidity, or during the DRY mode remove the drain cap and the exhaust from the back of the unit. Install a drain hose (3/4" [19.1mm] inside diameter) and place the open end of the hose a suitable drain location or outdoors. NOTICE FL apperars in the display The water collection tank is full, drain the tank and restart the air conditioner. NOTES: When turned on after being unplugged, the air conditioner will automatically reset to COOL mode, with a temperature setting of 72 F. - 15 -

6. OPERATION 6-1 CONTROL PANEL AND REMOTE 5 A PART 7 6 1 4 3 B PART Operation of functions is the same when using the remote or the control panel, unless otherwise stated. For detailed instructions on each function, see the following pages POWER ON/OFF Turns the air conditioner on and off. When turning on, a rising tone will sound to confirm. When turning off, a descending tone will sound. AUTO CLEAN The AUTO CLEAN function is used to remove moisture from the heat exchangers and helps prevent odor from forming. This function can be activated from the Remote only. FAN SPEED Adjusts the circulation fan speed between low (F1), medium (F2), and high (F3). MODE Switches the air conditioner between COOL, FAN,DRY, ENERGY SAVE modes.the active mode will be shown in the LCD display. LED DISPLAY A PART shows the set temperature ( or ), fan speed, or the selected TIMER delay. B PART shows the active mode(cool,fan,dry,energy SAVER and HEAT),Auto clean,water full and Timer. / (TEMP/TIMER) Use these buttons to adjust the set temperature up or down, or to adjust the timer delay time. TIMER Allows you to set a delay from 1 to 24 hours that will turn the air conditioner on or off automatically. 6 3 7 8 Use this button,the temperature display can be switched between degrees Celsius( C) and degrees Fahrenheit( F) AUTO SWING Sets the motorized air discharge to oscillate, improving air circulation in the room. This function an only be activated and displayed from the remote control. 5 1 4 9 2-16 -

6. OPERATION USING THE CONTROLS Control panel buttons shown. Operation using the remote control is the same, unless specifically noted.note:the remote sensor is located under the air discharge and on the top of the front panel. POWER Press the POWER button to turn the air conditioner ON or OFF. When you turn the air conditioner on, an ascending tone will play and the LED display will show the set temperature and any active mode.the air discharge on the top of the air conditioner wil automatically open. When turning the air conditioner off, you will hear a descending tone and the air discharge on the top of the air conditioner will close. Any control settings such as Mode, Set Temperature, Auto Swing, etc. will be retained in memory when the power is off. NOTE: When turned on after being unplugged, the air conditioner will automatically reset to COOL mo d e, with a temperature setting of 22 C. Any settings will need to be re-entered. Always point the remote at the sensor. The remote may not work if the sensor is in bright light or if there is not a clear path between the remote and the sensor. MODE Press the MODE button to select the operating mode(cool,fan,dry, ENERGY SAVER) for the air conditioner. And you can see the active mode through the LED Display. The default setting is COOL. Press the MODE button to change to FAN, press again to change to DRY, again to change to ENERGY SAVER and again to return to COOL. COOL ENERGY SAVER FAN DRY Mode COOL FAN DRY ENERGY SAVER Features Compressor runs and cools the room. Use the / and FAN buttons to set the desired temperature and circulation fan speed. Fan circulates air but compressor does not run. Use the FAN button to set the desired fan speed. Dry mode is used to remove humidity from the room without additional cooling. Once the set temperature is reached, the compressor and circulation fan turns off and only the exhaust fan will run. Fan speed is pre-set and cannot be adjusted. Under normal operation, the exhaust fan cycles on and off with the compressor, and the circulation fan runs at the set speed. The mode helps reduce power consumption by automatically turning off the circulation fan as well as the exhaust fan when the compressor is off. The air conditioner will automatically cycle both fans on and off with the compressor as needed for cooling. - 17 -

6. OPERATION FAN Pressing the FAN button cycles the circulation fan speed from low (F1) to medium (F2) to high (F3).The selected fan speed will be shown in the LED display. The function can be used in either COOL FAN modes. When changing fan speeds, there is a brief delay before the fan motor changes speed. / (TEMP/TIMER) / (TEMP/TIMER) buttons adjust the set temperature up to 86 F or down to 60 F,in one degree increments. The temperature can be switched between degrees Fahrenheit and degrees Celsius, pressing the button and button at the same time,or pressing F C button on the remote. When the TIMER function is selected, use the / (TEMP/TIMER) buttons to adjust the delay time from 1 to 24 hours, in one hour increments. If you press and hold the / (TEMP/TIMER) buttons, the set temperature or time will change automatically after a few seconds. NOTE: The displayed temperature is the SET temperature, not the room temperature.in COOL, DRY,ENERGY SAVER or HEAT mode, the thermostat in the air conditioner will run the compressor until the set temperature is reached, then cycle the compressor on and off to maintain the set temperature. TIMER When thetimer function is selected, you can set the air conditioner to either automatically turn OFF or turn ON after a delay of up to 24 hours. The display will show 0.Use the / (TEMP/TIMER) buttons to adjust the delay time from 1 to 24 hours, in one hour increments. To set an automatic off delay, press the TIMER button while the air conditioner is running and use the / (TEMP/TIMER) buttons to adjust the delay time. The air conditioner will automatically turn OFF after the set delay. To set an automatic on delay, press the TIMER button while the air conditioner is off and use the / (TEMP/TIMER) buttons to adjust the delay time. The display will show the number of hours remaining until the unit is set to come on. The air conditioner will automatically turn ON after the set delay. If you want to know how many hours you have setted, press the TIMER button and then you can see the time through the LED display. If you want to change the set timer,press the TIMER button and adjust the time when the number is flickering. To cancel the Timer function,one method is press the TIMER button and adjust the number to 0 when the number is flickering,then the function will be canceled in a few seconds. Another better method is Press the TIMER button and Press this button again when the number is still flickering. NOTE: Do not unplug the air conditioner when using the timer function. - 18 -

6. OPERATION AUTO CLEAN To turn the AUTO CLEAN function on, press the AUTO CLEAN button while the air conditioner is running in COOL, DRY, ENERGY SAVER. This function can only be selected from the remote; it is not available from the control panel. It must be set each time you wish to run the AUTO CLEAN function. AUTO CLEAN is used to remove moisture from the heat exchange coils. This helps prevent the formation of mildew and odors. 1 2 To use AUTO CLEAN With the air conditioner running in COOL, DRY,ENERGY SAVER mode, press the AUTO CLEAN button. AUTO CLEAN will be displayed in the LED diplay. Press the POWER button to turn the air conditioner off. AUTO CLEAN will run the circulation and exhaust fans with the compressor off for a few minutes after the power is turned off. AUTO SWING AUTO SWING function can only be activated with the remote. When this function is on, the air discharge will oscillate to circulate air more evenly through the room. To turn this function off, simply press the AUTO SWING button with the remote again. With AUTO SWING off, you may also manually adjust the air discharge to the desired position. It will maintain this position until the air conditioner is turned off or AUTO SWING is activated. When the displayed temperature is C (or F), you can press this button to swith to F (or C). To cancel AUTO CLEAN, or to stop an AUTO CLEAN cycle in process, simply press the AUTO CLEAN button again. The AUTO CLEAN function will not operate if the air conditioner is already off. - 19 -

7. DISASSEMBLELY CAUTION: Prior to disassembly the unit,make sure that the POWER is OFF and the power cord is unplugged from the wall receptacle. 1 Top Front and Real panel (Fig1) 1-1 Remove the 2 back inlet with the filter. (Fig1-1) 1-2 Screw the16 screws in back panel. (Fig1-2) 1-3 Rise up the top panel and ligtly put it on the machine for it'connecting the display PCB. (Fig1-3) 1-4 Remove the screw fixed of base pan and front panel.(fig1-4) 1-5 Remove the 4 side screw.(fig1-5) 1-6 Remove the front panel and rear panel. (Fig1-6) Fig1-1 Fig1-2 Fig1-3 Fig1-4 Fig1-5 Fig1-6 Fig1-20 -

7. DISASSEMBLELY 2 Top panel components (Fig 2) 2-1 Screw the 4 screws fixing the display PCB. (Fig 2-1) 2-2 Remove the display PCB from display panel. (Fig 2-2) 2-3 Remove the 2 intermials of singal receiver and swing fan motor. (Fig 2-3) 2-4 Remove the singal receiver. (Fig 2-4) 2-5 Remove the 2 screw fixing the swing fan motor. (Fig 2-5) 2-6 Remove the swing fan motor. (Fig 2-6) 2-7 remove the inlet and swing leaf. (Fig 2-7) Fig 2-1 Fig 2-2 Fig 2-3 Fig 2-4 Fig 2-5 Fig 2-6 Fig 2-7 Fig 2-21 -

7. DISASSEMBLELY 3 Unpper air channel (Fig 3) 3-1 Remove the screw in picure,and twist the clips. Then remove the c-box cover. (Fig 3-1) 3-2 Pull out the display PCB from C-box. (Fig 3-2) 3-3 Remove the senor. (Fig 3-3) 3-4 Remove the intermials of upper fan motor. (Fig 3-4) 3-5 Remove the motor ground wire screw from c-box (Fig 3-5) 3-6 Remove the 6 screw fixing the upper air channel. (Fig 3-6) 3-7 Remove the upper air channel. (Fig 3-7) Fig 3-1 Fig 3-2 Fig 3-3 Fig 3-4 Fig 3-5 Fig 3-6 Fig 3-7 Fig 3-22 -

7. DISASSEMBLELY 4 Upper channel components (Fig 4) 4-1 Remove the upper air channel (Fig 4-1) 4-2 Remove the fan nut and gasket. (Fig 4-2) 4-3 Separate the fan and lower foam. (Fig 3-3) 4-4 Remove the gasket between the fan and motor. (Fig 4-4) 4-5 Remove the motor and motor bracket from lower foam. (Fig 4-5) 4-6 Remove the 2 screw of the motor bracket. (Fig 4-6) 4-7 Remove the 4 screws and remove the motor. (Fig 4-7) Fig 4-1 Fig 4-2 Fig 4-3 Fig 4-4 Fig 4-5 Fig 4-6 Fig 4-7 Fig 4-23 -

7. DISASSEMBLELY 5 Lower air fan channel (Fig 5) 5-1 remove the 2 screws fixed the c-box and lower air channel (Fig 5-1) 5-2 remove the 4 screws fixing the upper water pump in the lower air channel. (Fig 5-2) 5-3 remove the intermials of upper water pump,then remove the connecting pipes. (Fig 5-3) 5-4 remove the 2 screw of the water discharging valve (Fig 5-4) 5-5 remove the electric pump. (Fig 5-5) 5-6 remove the interminals of the lower channel motor (Fig 5-6) 5-7 remove the ground wires(fig 5-7) 5-8 remove the 2 screws fixed of the exchanger and lower air channe(fig 5-8) 5-9 remove the lower air channel. (Fig 5-9) Fig 5-1 Fig 5-2 Fig 5-3 Fig 5-4 Fig 5-5 Fig 5-6 Fig 5-7 Fig 5-8 Fig 5-9 Fig 5-24 -

7. DISASSEMBLELY 6 Lower air channel components (Fig 6) 6-1 Remove the 5 screws fixing the lower air channel (Fig 6-1) 6-2 Remove the fan cover (Fig 6-2) 6-3 Remove the low air channel outlet grille. (Fig 6-3) 6-4 Separate the fan and motor. (Fig 6-4) 6-5 Remove the 4 motor screws fix the motor. (Fig 6-5) 6-6 Remove the motor (Fig 6-6) Fig 6-1 Fig 6-2 Fig 6-3 Fig 6-4 Fig 6-5 Fig 6-6 Fig 6-25 -

7. DISASSEMBLELY 7 C-box component (Fig 7) 7-1 Remove the 2 screws fixed of the box and base pan. (Fig 7-1) 7-2 Remove the box (Fig 7-2) 7-3 Remove the interminals ground wire screw and two clip screws of power cord. (Fig 7-3) 7-4 Remove the interminals of pressure switch and the water fan motor.. (Fig 7-4) 7-5 Remove the 8 screws in c-box. (Fig 7-5) 7-6 Remove the main PCB,fan capacitor,motor capacitor,transformer. (Fig 7-6) Fig 7-1 Fig 7-2 Fig 7-3 Fig 7-4 Fig 7-5 Fig 7-6 Fig 7-26 -

7. DISASSEMBLELY 8 Lever switch (Fig 8) 8-1 remove the Lever switch interminals. (Fig 8-1) 8-2 remove the screw and then the floater. (Fig 8-2) Fig 8-1 Fig 8-2 Fig 8-27 -

7. DISASSEMBLELY 9 Cooling system (Fig 9) 9-1 remove the two crews connecting the exchanger and the base pan. (Fig 9-1) 9-2 remove the 3 nut of the compressor (Fig 9-2) 9-3 Remove the 3 screws fixed compressor with wrench.then get out the 3 compressor gasket. (Fig 9-3) 9-4 Get up out the compressor, evaporator and condenser softly. (Fig 9-4) 9-5 remove the 3 water fan screws and put it out. (Fig 9-5) 9-6 put the water fan motor out. (Fig 9-6) Fig 9-1 Fig 9-2 Fig 9-3 Fig 9-4 Fig 9-5 Fig 9-6 Fig 9-28 -

7. DISASSEMBLELY - 29 -

7. DISASSEMBLELY - 30 -

8. CIRCUIT DIAGRAM 8-1 Circuit diagram Main PCB Display PCB - 31 -

8. CIRCUIT DIAGRAM 8-2 PCB picture Main PCB Connect the transformer input Connect the 4-way valve Connect the water pump motor Connect the Down motor Connect the up motor Connect the Temp sensor Connect the Display PCB Connect the Transformer output Connect the down pump Display PCB Connect the Lever switch - 32 -

8. CIRCUIT DIAGRAM 8-3 Wiring diagram 9. TROUBLE SHOOTINGS 9-1 Safety caution 9-2 Error code summary - 33 -

9. TROUBLE SHOOTINGS 9-3 TROUBLESHOOTING WITH ERROR WATER FULL ERROR SURROUNDINGS SENSORERROR FL CH01-34 -

9. TROUBLE SHOOTINGS EVAPORATOR PIPE SENSOR ERROR CH02-35 -

9. TROUBLE SHOOTINGS 9-4 TROUBLESHOOTING ELSE NO POWER - 36 -

9. TROUBLE SHOOTINGS COMPRESSOR DOSE NOT OPERATE - 37 -

9. TROUBLE SHOOTINGS FAN DOSE NOT OPERATE - 38 -

9. TROUBLE SHOOTINGS INEFFECTIVE COOLING REMOTE DOSE NOT OPERATE - 39 -

9. TROUBLE SHOOTINGS ABNORMAL NOISE AND VIRBRATION COMPRESSOR ABNORMAL NOISE AND VIRBRATION MOTOR - 40 -

9. TROUBLE SHOOTINGS ABNORMAL NOISE AND VIRBRATION FAN TOUCH - 41 -

10. COMPONENT TESTING IMFORMATION 10-1 Transformer Wring diagram Test point 1 2 3 4 Result Test points 1 to 2 3 to 4 Result 120 300 25 1.5 5 25-42 -

10. COMPONENT TESTING IMFORMATION 10-2 Up motor C =15uf/ 250V DOWN MOTOR Wring diagram N L FUSE 3.15A/250V ZNR C =0.1uf WHITE YELLOW (LOW FAN) BLACK (HIGH FAN) DC12V RELAY MA IN CHIP RELAY UL2003 Test point N H 1 Result Test points N to H H to 1 Result 30.6 10 25 28.0 10 25-43 -

10. COMPONENT TESTING IMFORMATION 10-3 Down motor C =10uf/250V UP MOTOR Wring diagram N L FUSE 3.15A/250V ZNR C =0.1uf WHITE YELLOW (LOW FAN) BLUE (MID FAN) BLACK (HIGH FAN) DC12V RELAY MA IN CHIP RELAY RELAY UL2003 Test point N H 1 Result Test points N to H H to 1 Result 15.6 10 25 14.6 10 25-44 -

10. COMPONENT TESTING IMFORMATION 10-4 Water pump PUMP MOTOR N BLACK Wring diagram L FUSE 3.15A/250 V ZNR C =0.1uf BLA CK DC12V MA IN CHIP RELAY UL2003 Test point N P Result Test points 1 to 2 Result 60 15 30-45 -

10. COMPONENT TESTING IMFORMATION 10-5 Temp sensor DC5V Wring diagram O PUMP SENSOR O O AMBIENT SENSOR O CONNECTOR C=2.2uf C=2.2uf R=4.99K R=4.99K MA IN CHIP Test point 3 4 2 1 Test points Result Remark Result 1 to 2 3 to 4 5 KΩ 25 When it s defect, display CH02 5 KΩ 25 When it's defect, display CH01-46 -

10. COMPONENT TESTING IMFORMATION Temp sensor - 47 -

10. COMPONENT TESTING IMFORMATION 10-6 Lever switch Wring diagram Level Switch O O DC5V R=4.99K R= 4.99K MA IN CHIP CONNECTOR Test point 2 1 Result Test points 1 to 2 Result 0 K - 48 -

10. COMPONENT TESTING IMFORMATION 10-7 Pressure switch O DC5V Press Switch R=10K Wring diagram O CONNECTOR R= 4.99K MA IN CHIP Test point 2 1 Result Test points 1 to 2 Result 0 K - 49 -

11. EXPLODED VIEW 731270A Panel B (9 ) 137214 238310 2 Type A Foam Seals (Adhesive) 2 Type C Foam Seals (Adhesive type-shorter) Panel A (18 ) 1 Window Vent Panel Panel C (17 ) Panel D (17 ) 3 Extension Panels 147590 237203 Window Installation Kit (includes 1 Window Vent Panel and 3 Extension Panels) 249950 237901 1 Type B Foam Seal (n-adhesive) 267120 268711B W0CZZA 235512 268711A 146811 Security Bracket 2 Type A Screws 1 Type B Screw 1 Type C Screw W0CZZC 731270B W0CZZB 567480 354210 264110 346811B 552113 352390 352111 158580 346811C 422100B 267110 435313 152302A 554030 35211A 352113 567502 137210 554160 152302B 550140 422100A 346811A 349011 130410 W50060A 144410 te) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request. Please check the correct parts in View RPL(Replacement Part List) on GCSC. (GCSC Website http://biz.lgservice.com,) - 50 -

US CANADA Service call Number # : 1-888-865-3026 Service call Number # : (888) LG Canada, (888) 542-2623