HEAT PUMP DRYER SERVICE MANUAL
Contents
1. Washer This dryer may only be stacked on top of an LG 3 Align the stacking kit holes and the rear cover washer DO NOT attempt to stack this dryer on any holes other washer as damage injury or property damage could result 3 1 23 6 inch 600mm Washer Top plate size 21 7 inch inch Shape SD GR fr GR an d 5 lt 4 gt assembly direction Installation Procedure e Fasten the 2 screws that were removed earlier 1 Place the LG dryer on the LG washing machine from dryer to stacking kit 2 Remove two screws from the bottom of the rear Use 4 screws in accessory box 0 6inch 16mm cover on cache deacillletated Below to assemble washer rear cover and stacking kit The procedure for the opposite side will be the 11 Earthing Instructions This appliance must be earthed In the event of malfunction or breakdown earthing will reduce the risk of electric shock by providing a path of least resistance for the electric current This appliance is equipped with a earthed cord and an earthing plug The plug must be plugged into an appropriate outlet that is properly installed and earthed in accordance with Standard Additional Grounding Procedure Some countries may require a separate gro2. A Service Bulletin LG WASHING MACHINE Life s Good Bulletin Number eSubject 1 How to SVC when Empty water is displayed even though Water container is emptied 2 How to SVC when Clean filter is displayed even though Lint filter is cleaned Bulletin Registration Date 07 04 2014 Effective from Date 07 04 2014 Applicable for models Customer models in alphabetical or numerical order per subsidiary e LGEAG AP 2 DG ES FS HS IS SW UK e RC7055 RC8055 RC9055 RC9042 RH7050 RP8050 RH8051 RH9051 TD C901H Applicable Serial Number e LGE 406KWxxxxxxx Applicable in warranty Yes No Also applicable outside Yes No x ofwarranty LJ x Applicable only with symptoms Yes No Applicable with every repair Yes No below x Lx Technical information 1 Symptoms Customer Complaint e Empty water is displayed even though water container is emptied Clean Filter is displayed or takes long dry time even though lint filter is cleaned 2 Problem Cause The lint is accumulated inside the Control valve and Pump cover So it can block the water flow to Water container and Evaporator Pump cover Control valve 2 A Evaporator i 3 Solution Short explanation of the solution First of all check the Water container is emptied Drain hose is twisted
3. Replace the parts Once again press the same key fot three seconds 2 Display Data View Mode 3 Is capacitor resistance normal to escape 3 Comp On after 1min from Start refer to page 16 2 For Comp defect Turn the Jog Dial in data view state data can be 4 After Comp on check corresponding Replace Comp n 4 Is LEV resistance normal Refer to code C145 Page 45 checked as shown below termistor temp 5 Check trace of oil leakage around Comp Not to enter the Child lock status Comp Is it rising 3 For LEV defect Apply the model Only Touch LED model Eva In is it rising after falling Replace LEV NO The course Show details Bulky Item T_heater High Thermistor Is the humidity sensor operating properly Does it operate properly after NO replacement 6 MiedFabic 7 Cotten Sports wear Sump Water Leve 9 QuckDy Dran 12 Rack Dry Main Version Refer to humidity sensor inspection method Page 30 Does the defect occur after PCB replacement Replace Base ASM or the product P 32 DIAGNOSTIC TEST Test 10 Trouble Symptom Abnomal Noise Measurement condition Check if they are working when connected to power supply Is the product leveled Check shaking tilt Is the noise by interference between pipe and Base Cabinet injected parts or bet
4. DRYING TYPE WEIGHT DIMENSION 600 W x 640 D x 850 H STANDARD DRYING CAPACITY 9 0kg 8 0kg 7 0kg CONTROL TYPE Electronic Control POWER SUPPLY AC230V 50Hz 16A MOTOR 210W HEATER 1000W COMPRESSOR 690W LED LAMP DC12V 30mA DOOR SWITCH 250V 5A THERMOSTAT 240V 25A DRUM VOLUME 121 Liter Over current protect Motor SAFETY DEVICES Over Load Protect Compressor Thermostat Micom electronic Control 1 Pipe Temperature 2 thermistors Eva in and Comp out 2 Drum Temperature 1 thermistor SENSOR 3 Main Heater 1 thermistor 4 Humidity Electrode sensor 5 Filter Sensing Magnet Reed switch 6 Sump water Sensing Electrode sensor Hemovable 52 53 rpm Stainless steel FILTER DRUM SPEED DRUM DRYER RACK CHILD LOCK BUZZER ANTI CREASE FAVORITE A MORE wv LESS TIME DELAY DRUM INTERIOR LIGHT Available Running status indicator all LED DISPLAY Error display all 4 REMARK P N LPLN7269 Dafault High Dafault Off Dafault Off Maximum 100 min Minimum 15 min 3 19 hours 2 FEATURES AND LOOK Ultra big Capacity Drum The ultra big 9 0kg capacity drum on this LG dryer allows you to dry more washing at once saving time Energy Lower Energy Consumption LG Heat pump dryers use less energy than conventional dryers due to optimized heat exechanger and auto cleaning technology This LG Heat pump dryer has been designed to save your m
5. LG HEAT PUMP DRYER SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE MODEL RC9055 P Z RH9051WH RC8055 P Z RH8051WH RC7055 P Z RH7050WH IMPORTANT SAFETY NOTICE The information in this service maual is intended for use by individuals possessing adequate backgrounds of electrical electronic and mechanical experience Any attempt to repair a major appliance may result in personal injury and property damage The manufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liability in connection with its use To reduce the risk of injury to persons follow all industry recommended safety procedures including the use of long sleeved gloves and safety glasses Failure to follow all of the safety warnings in this manual could result in property damage injury to persons or death WARNING To avoid personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed for service they must be returned to their original position and properly fastened IMPORTANT Electrostatic Discharge ESD sensitive Electronics ESD problems are present everywh
6. 13 1 Disassemble the duct by releasing the 7 screws 13 2 Release the drum nut using tool 13 3 Disassemble the air guide by releasing the 1 screw 14 1 Disassemble the COVER REAR by releasing the 2 screws 14 2 Disassemble the drum 42 EXPLODED VIEW Control Panel amp Top plate Assembly YAN M je r A ta dn rp 43 EXPLODED VIEW Cabinet Cover amp Door Assembly Transparent door round door ee me 2 Note If you want to replace the B150 part Locker Assembly Check out the product manufacture date on the rating label If you want to exchange And apply it as shown below themistor Replace B139 Products produced before February 2014 4027EL1001A assembly products produced since February 2014 AFK73489601 HA LR T Gd 4 TE RS e R V 556214 a EN n n J _ 4 i 7 fo a CHET l LI M ee N EXPLODED VIEW Base amp Motor Assembly ID se A AE L JJ A 45 EXPLODED VIEW Back Cover amp Drum Assembly JOURNAL BEARING SERVICE KIT S
7. CIRE CoolAir x x XX K kK XX x X INSTALLATION INSTRUCTIONS Level the Dryer Adjustable Adjustable Feet 10 1 Leveling the prevents unnecessary noise and vibration Place your dryer on a solid level floor Leveling the dryer prevents unnecessary noise and vibration Place your dryer on a solid level floor If the dryer is not properly level adjust the front levelling feet as necessary Turn them clockwise to raise and counter clockwise to lower until the dryer no longer wobbles both front to back and side to side machine should not move up and down at all Please check both of two directions If machine rocks when pushing the machine top plate diagonally adjust the feet again INSTALLATION INSTRUCTIONS Stacking Kit In order to stack this dryer an LG stacking kit is AWARN required Incorrect installation can cause serious accidents The weight of the dryer and the height of installation makes the stacking procedure too risky for one person This procedure should be performed by 2 or more experienced service personnel e The dryer is not suitable for a built in installation Please do not install as a built in appliance Do not operate if the dryer is disassembled
8. Vacuum the front ventilation grille 3 4 times a year to make sure there is no build up of lint or dirt that may cause improper air flow Warm air is exhausted through the ventilation grille Adequate ventilation should be provided to avoid the back flow of gases into the room from units burning other fuels such as open fires Condensed Water Drain out Normally condensed water is pumped up to the water container where water is collected until manually emptied Water can also be drained out directly to a mains drain especially when the dryer is stacked on top of a washing machine With a connecting kit for the mains drain hose simply change the water path and re route to the drainage facility as below 1 Take connecting kit out 2 Separate water container hose from the kit 6 MAINTENANCE INSTRUCTIONS 3 Connect drain hose to the kit Moisture Sensor The device senses the moisture level of the laundry during operation which means it must be cleaned regularly to remove any build up of lime scale on the surface of the sensor Wipe the sensors inside drum as illustrated 6 MAINTENANCE INSTRUCTIONS CAUTION Power cord must be unplugged before this work to avoid danger of electric shock bulb itself could be very hot when the dryer just finishes its operation So before changing the bulb be sure that the inside of the drum is cool down 4 Rot
9. two wire in white 3pin male connector 220 240V e Check Harness connection e Check the Motor resistance see page 15 Check controller See page 17 PCB Assembly Lay out 26 II DIAGNOSTIC TEST Test 4 Heater check Trouble Symptom Motor malfunction ventilation error Trouble Symptom Heater is not working Drying failure The designated temperature is not reached Measurement condition 1 Power cord is unplugged Check the heater resistance Check and replace 1 Yellow tab relay violet wire controller White tab relay yellow wire See page 17 PCB 500 assembly lay out 2 White connector 2wire 50Q Check harness amp See photo on the left connection Check the resistance of thermostat Replace Heater to heater Is it less than 10 e Check harness 8 connection Manually reset thermostat Press button And check resistance thermostat Heater On Off occurs 1 Check if Lint filter is frequently damaged or clogged 2 Check if condensing unit is clogged or not 27 II DIAGNOSTIC TEST Test 5 Pump check Trouble Symptom LED display show OE signals Measurement condition Power cord is unplugged Check the hose blocked with foreign body or kinked Measure with power on Disassemble Pump On LQC test mode when Check foreign objects Pump is on Check impeller Can you hear any operating restriction noise Check connection hose clogge
10. 10 DC 12V Power on Check voltage in terminal Measure resistance of the Following terminal Resistance value 25 1 Resistance 8 64 7 Q HED amp BLUE 2 Resistance 2 59 7 Q BL amp RED 1 Resistance value oo DC 12V Start up Voltage Up 6V Hate current 0 5A 1096 Locked current Under 1A Capacitance value 35 1 75UF Check resistance D Stanby condition 11 5Q 25 C 2 Comp operation condition 35 380 25 C COMPONENT TESTING TIPS 13 Steam generator 16 LID switch 17 Thermistor Comp out 18 Thermistor Eva In Measure resistance of the Resistance value 25 C Terminal to terminal Plate and Another plate 49 5 Q Measure resistance of the DC 12V Following terminal Limit current 550mA Coil resist 249 1096 picture plate Measure resistance of the Resistance value 25 C Following terminal Two wire terminal of five colors White housing 40 7 9 2 wire Two of five colors Measure resistance of the Contact resistance Under 250 0 Following terminal Blue housing 2Wire Measure resistance of the Nominal resistance 10K 1 Following terminal e White housing 2Wire Measure resistance of the Nominal resistance 10K 1 0 Following terminal e Blue housing 2Wire WIRING DIAGRAM 1075181001 A01 8ursueg epoijoe g 2 ONISNGS UTIVA dans HL NI n
11. button for 3 seconds The Favorite option is now stored for future use To reuse the stored cycle select Favorite option and press the Start Pause For the safety of your children press Dry Q Drum Light Level button for about 3 seconds PET You will see 3 indication on the LED Whilst the dryer is running it is possible to see inside the drum if you select the Drum Light You can see L Sign on LED window function All controls except Child Lock and Power Light on Door is opened buttons will be disabled For 3 sec drum light button are Child Lock lasts after the end of cycle selected Light off Door is closed Off automatically Note Q Hybrid For Child Lock is off press Dry Level This additional program is able to save SUSI Nols SE energy or time Eco energy saving course Heat Pump only B 4 pi uzzer Dee OS ee Ah 9 This is a option to enable you to adjust Heater You will see speed a p y indication the LED volume beeper sound PROGRAM Cycle Selection Table Sensor Dry Cycle 000000000 Terry towels tea towels towels For thick and quilted fabrics that do not need to be Ve and bed linen ironed y Bath towels tea towels Cotton E For fabrics that need to be ironed Cupboard sheets pillowcase and towels For fabrics that do not need to be ironed Light Bed linen table linen towels
12. key bottom of Base fot three seconds to escape Turn the Jog Dial in data view state data can be checked as shown below Not to enter the Child lock status Apply the model Only Touch LED model NO The course Showdetals Is there water leakage of C Valve Replace Control Valve during Self Cleaning Refer to picture F page35 6 MxedFabic L7 Cotten 8 Sports Wear Sump Water 9 Quick Dry DranPumpRPM 12 Rack Dry Main Version Is there water leakage in at least 1 place among 3 nozzles during Self Cleaning Refer to picture E page35 Heplace Nozzle Is pumping properly performed Check pump assembly status with the pump activation sound Seal missing Whether pump is properly settled Pump Cover assembly status Gap Screw missing etc Is there water leakage to bottom Replace Base ASM of Base without above defects 34 0 DIAGNOSTIC TEST M Reference picture Picture A Picture B Picture C Picture D Picture E Picture F 35 IT DIAGNOSTIC TEST PCB Layout Main PCB POWER Display Power Bit SUMP SENSING No 1 4 HIGH THERMISTOR No 2 3 COMP THERMISTOR No 2 6 EVA INLET THERMISTOR No 2 5 5V No 2 WH 9PIN Control Valve No 2 3 4 5 DOOR LAMP No 1 2 MAIN TO DISPLAY LEV No 6 7 8 9 FILTER SENSING No 3 4 COMUNICATION COOLING FAN No 10 11 LOW THERMISTOR No 5 6 13V No 1 ELECTRODE No 3 9 3
13. not assembled Open Check weather connector in connected correct or not 2 If the covering has been peeled away or touch Short If the penetration of water Short Check if any damage in harness or not 3 Thermistor element dead Check if thermistor resistance in normal or not 4 Check the voltage from main PCB to thermistor High or low voltage Replace Main PCB See page No 17 Thermistor Resistance 10k 2 5 at 25 1 Connector not assembled Open Check weather connector in connected correct or not 2 If the covering has been peeled away or touch Short If the penetration of water Short Check if any damage in harness or not 3 Thermistor element dead Check if thermistor resistance in normal or not 4 Check the voltage from main PCB to thermistor High or low voltage Replace Main PCB See page No 17 Thermistor Resistance 234 364k 2 at 25 1 Connector not assembled Open Check weather connector in connected correct or not 2 If the covering has been peeled away or touch Short If the penetration of water Short Check if any damage in harness or not 3 Thermistor element dead Check if thermistor resistance in normal or not 4 Check the voltage from main PCB to thermistor High or low voltage Replace Main PCB See page No 17 Thermistor Resistance 158 240 9 at 25 C 1 Connector not assembled Open Check weather connector in connected correct or not 2 If
14. or kinked Replace Pump cover and Lint filter at the same time Clean the Control valve and Evaporator by water 1 8 a Service Bulletin LG WASHING MACHINE Life s Good Bulletin Number Change Point P no Part location 19 383EEL3003C C252 ADQ55998604 B121 AJU73292501 Control valve C313 Clean By water Pump cover Replacement Lint filer Replacement Evaporator amp Clean By water Base lint and brush 2 8 OLG Service Bulletin WASHING MACHINE Life s Good Bulletin Number 1 Disassemble Base ASM SVC Number C252 3 8 Service Bulletin WASHING MACHINE Life s Good Bulletin Number Replace Pump cover 2 2 3 Reassemble the Pump Assembly 1 Check if rubber ring 2 Put the Drain motor is attached on the New Pump cover 3 Press down the 4 Turn the Drain motor Drain motor counter clockwise Check if correctly insert 5 6 Assemble in reverse order to Base Assembly 4 8 sd S ice Bulleti LG j Service Bulletin Life s Good Bulletin Number Replace Lint filter 1 Change point Added Rib for minimizing the inflow lint into the Evaporator through the gap between filter and cabinet 5 8 Service Bulleti LG jq Service Bulletin Life s Good Bulletin Number Clean the Contr
15. the covering has been peeled away or touch Short If the penetration of water Short Check if any damage in harness or not 3 Thermistor element dead Check if thermistor resistance in normal or not 4 Check the voltage from main PCB to thermistor High or low voltage Replace Main PCB See page 17 Thermistor Resistance 10k 2 5 at 25 C 1 Check the environment temperature is high 35 C or more 2 Check the cooling fan is working properly in speed option 1 Check the connection of connector 3 Replace the Compressor 1 Check the Door switch Connection 2 Check the connection of connector PCB 3 Disassemble the Control panel asm And check the door switch housing properly connected 4 Replace the PCB 1 Check the PCB Holder Connection 2 Check the Pump connection of connector Pump 3 Disassemble the pump cover asm And check the lint material 4 Replace the PCB TROUBLESHOOTING Error Mode Display symptom 2 Check point 1 Connector not assembled Open Check weather connector in connected correct or not 2 If the covering has been peeled away or touch Short Fire detection of drum through If the penetration of water Short low thermistor temp detecting Check if any damage in harness or not Low Thermistor Open Short 3 Thermistor element dead Error Check if thermistor resistance in normal or not 4 Check the voltage from main PCB to thermistor High or low volt
16. 6 DISASSEMBLE INSTRUCTIONS To reduce the risk of personal injury adhere to all industry recommended safety procedures including the use of long sleeved gloves and safety glasses Failure to follow all of the safety warnings in this manual could result in property damage personal injury or death TOR PLATE 1 Disassemble top plate by unscrewing 2 screws on the rear of the dryer 2 After pulling drawer assembly out and unscrew 4 screws 3 Disassemble control panel by unscrewing 2 screws on the Rear of the panel frame 37 DISASSEMBLE INSTRUCTIONS 4 Disassemble the lower cover by pulling to the front 5 Disassemble cabinet by unscrewing 2 at the top and 3 at the rear Left and right are the same CABINET 6 Disassemble panel frame by unscrewing 4 at the front PANEL FRAME i CE t 5j ei we ET enn Co o c 2 0 gt 38 FER DISASSEMBLE INSTRUCTIONS 7 1 Disassemle the door by releasing the 2 screws 7 2 Disassemble the door switch 7 3 Disassemble the cabinet cover by releasing the 10 screws 7 4 Disassemble the Door Switch 7 5 Disassemble the cover cabinet 8 1 Disassemble the spring holder 8 2 Releasing the belt on the pulley 9 1 Disassemble the main PWB cover as pulling the hook 9 2 Pu
17. T shirts polo shirts and work For fabrics that do need to be ironed Iron clothes Bed linen table linen tracksuits For thick and quilted fabrics that do not need to be anoraks and blankets ironed Mixed Fabric Shirts and blouses For fabrics that do not need to be ironed Cupboard ue dressers skis and For fabrics that do need to be ironed Shirts T shirts trousers For polyamide acrylic and polyester that do not Easy care under wear and socks need to be ironed p Shirts T shirts under wear For polyamide acrylic polyester that do need to be Iron anoraks and socks ironed Bulky Item Bed clothes sheets For bulky items Jeans and colour fading T shirts pillowcase and towels For cotton fabrics which do not need to ironed Refresh Odor removal of fabric Refer to the Note Shirts and blouses For fabrics in need of odor removal ENS Sports Wear Soccer kit and training wear For polyester material Linen and towels excluding Quick Dry fabrics applied to delicate sports UR men loads of suitable fabrics with short drying wear bulky Item cycle Silk fine fabrics and lingerie For fabrics that are heat sensitive like synthetic abrics Woo oi Fowotais Timed Dying Aye Rack Dry Sik wool delicate ingere Refresh clothes without tumble dying Cool Air Alfabricshatneedreesting Tumbles withoutheat J Bath towels bath robes Warm Air dishcloth and quilted fabrics Small Items 8 damp c
18. age Replace Main PCB See page No 17 Thermistor Resistance 10k 2 5 at 25 Filter is not replaced 1 Check the filter is properly seated Dryer does not work 2 Check the magnet in filter 3 Check the Reed switch is normal or not 22 TROUBLESHOOTING Press Power button LED Segment On YES Press Start Pause button Drum not Roating Start button Lock No buzzer YES Door Open Door is not closed NO SE display Insert Filter sign Lamp Broken display Connector malfunction NO Speed Mode a YES Empty water sign Check Heater Power display Check Comp Power Check Thermostat Trip Reduce clothes load Check Comp OLP Trip Spin the load more Check surrounding Temp of product placed Check motor TP Trip Temp 5C 35 C Check blower damage Check LEV failure Resistance 46 3 79 20 C LQC Mode 1 Housing connection Check LEV Initial Eva in Temp 23 O Plugged in Power button Lock No buzzer Circuit breaker trip Low voltage Low temperature Harness Wire See the Page 24 check list LED broken connector malfunction Display pcb wire broken heck the magn Check the magnet not connected Replace the Filter Oo O A D Replace Belt Clean Filter or Check the Eva Clogging Empty water container 0 DIAGNOSTIC TEST Test 1 ELECTRIC SUPPLY amp CONTROL CHECK Trouble Symptom No powe
19. ate the lamp cover in anti clockwise direction from your side till it stops to rotate and pull it with certain amount of force and take out the LED Lamp Cover Assembly 1 Disassemble Top Cover Drawer and Control Panel Assembly as explained in Page No 34 2 D Disassemble Panel Frame Disconnect the Red Connector Legs for holding Assembly 5 Now insert new LED Lamp Cover assembly from inside and pull the connector and its wire toward outside through the hole at same time rotate the lamp cover in clockwise direction till it stops to rotate 6 Screw the screw taken out during disassembly 7 Connect the Red Connector 3 Open the Door Put your one hand inside the Drum and unscrew the screw on Lamp Cover with the help of a screw driver 8 Assemble the control panel Drawer and Top plate DO NOT forget to connect the connectors of Control Panel Assembly in PCB Assembly 14 COMPONENT TESTING TIPS 1 Thermostat assembly 2 Thermistor Low temperature Thermistor Measure resistance of Terminal to terminal 1 Open at 170 C 10 5 C Measure resistance of terminal to terminal Measure resistance of Terminal to terminal Measure resistance of therminal to terminal Measure resistance of Terminal to terminal Measure capacitance of Terminal to terminal Measure capacitance of Terminal to terminal Measure resistance by pressing button When res
20. ately 2 Dryer Rack Assembly P No 5001EL2001A P No 3751EL1002C 3 Stacking kit Assembly Purchased Seperately Holder 2EA Screw 4EA Purchased Separately PROGRAM Hybrid AUTO SENSOR FILTER CLEANING Y SENSOR Q Time Delay Q Option You can use the Time Delay option to delay the finishing time of drying cycle Maximum This function remains more moist than the Time Delay is 19 hours Minimum Time Delay is 3 hours Congo TOL Rennes 1 Turn the dryer on Note 4 2 Select a cycle Note Hand lron 3 Set time delay hour by press the w button nace fran 4 Press Start Pause button Anti Crease The Anti Crease option prevents creases Damp Dry Beep that are formed when the laundry is not This function lets you know when the clothes unloaded prompily at the end of the drying are ready for ironing cycle When Anti Crease is selected the dryer repeatedly runs and pauses giving you 2 hours to unload the laundry If the door is opened during the Anti Crease EX option the option is cancelled Damp Favorite Cupboard is available Favorite option allows you to store a Light customized dry cycle for future use a 1 Turn the dryer on Child Lock De L L 2 Select a cycle 3 Select the option or additional program Anti Crease Eco Hybrid etc 4 Press and hold Favorite option
21. d Measure after power is off Check or replace pump With Yellow 3pin disconnected e Check harness amp from controller connection YL3 white wire YL3 orange wire resistance ranges 4 50 2 YL3 white wire YL3 yellow wire resistance ranges 4 50 Check Pump sensor With White 6pin disconnected from controller check White6 1 blue White6 blue resistance If there is water level 25 If there is no water level 25 28 0 DIAGNOSTIC TEST Test 6 Thermister check Trouble Symptom Poor drying performance over drying or no drying Abnormal thermistor operation Measurement condition Power cord is unplugged e Check and replace thermistor 1 High temperature thermistor Wire 1 Check disconnected color White White 6 pin white White Housing or severed 6 pin red resistance ranges table data ABNORMAL Wire according to surrounding temperature 2 Check the resistance 2 Low temperature thermistor Wire of thermistor color Blue White 9 pin Blue White 9 3 Replace controller pin white resistance ranges table data and then recheck according to surrounding temperature if anything else OCCUIS With White9 White 6 disconnected from Controller check e Check harness amp connection Temperature TH Heater TH Drum TH1 TH2 19 111
22. ere ESD may damage or weaken the electronic control assembly The new control assembly may appear to work well after repair is finished but failure may occur at a later date due to ESD stress M Use anti static wrist strap Connect wrist strap to green ground connection point or unpainted metal in the appliance OR Touch your finger repeatedly to a green ground connection point or unpainted metal in the appliance Before removing the part from its package touch the anti static bag to a green ground connection point or unpainted metal in the appliance Avoid touching electronic parts or terminal contacts handle electronic control assembly by edges only M When repackaging failed electronic control assembly in anti static bag observe above instructions ios se p tec 4 PM gat WAG OURS n 5 Se PART JDEPNIIEICIATIODNG SR oie it Ded aad teta tuo md nue D E 6 Rot INSTALLATION INSTRUCTIONS Danses sentiers 10 6 MAINTENANGCEINSIRUETIONSE Sn nn tie een ae is e at a 13 7 COMPONENT TESTING TIPS en ae ado 15 8 WIRING DIAGRAM P tn 18 Ie Noe ell CP 19 IO DIAGNOSTIC TEST na canne 24 LLODISASSEMBLE INSTRUCTION see oU nn nn ne een 37 12 BRPEFODED VIEN qe ERES A3 EB specirications RC9055 P Z RC8055 P Z RC7055 P Z HH9051WH RH8051WH RH7050WH Condensation Opaque 56kg Gross 61kg Glass 57kg Gross 62kg ITEMS
23. i HL 100 ma VO Hu mn gt po m 8011000 LEFI o eA 9A 014009 her a v a v a v act LVISONXTHL yo c CERREN 8514 105584802 HOLIAS 1000 1001291014 AVRYSEL YOLTOVdV 9161010 YOV1d e 401131 N1319 OQO 41144 81IHA 682 THA 81IHA 9N2 4118 8N9 81519 1917161011 YOVTE TONVUO VLIBA 101101 OOO TIIHA TINO 104000 JINOULIA TE 18 TROUBLESHOOTING Pressing CHECKING DISPLAY CHECKING START PAUSE button ACTION POINTS Check the below 1 All LED Lamp 2 Display data in LED window None Electric control i d 1 HH 18 d1 19 41 ao im 1 1U 20 Main Version 20 3 14 09 Display Version 09 Check the Motor operating conditions BEEN Check the below nos and Power Consumption 1 Course LED Lamp On Motor CCW 1sec Off 0 5sec Motor 2 Display data in LED window CW Twice Off Im Check the below Twice Check the BLDC pump power consumption umm 1 Display data in LED window BLDC pump On 3 times Off TONE Favori 0 35 D
24. in connector white wire By open and close door Check door switch See 15 page e With door closed when Start button is pressed lamp turns off and controller is working but the dryer is not working II DIAGNOSTIC TEST Test 3 Motor check Trouble Symptom Motor malfunction Occurrence of the Clean filter repeatedly Measurement condition Power cord is unpluged Door is closed Check the user condition Put overload into drum Normally Input Voltage and Hertz Pre Check door switch If door switch has contact problem motor should not operate e Before check process Check the motor rotating by the LQC test mode See the 18 page Check the harness connection Motor part White 3 pin housing Controller part Red 3 pin housing Orange and Blue When power is on and wire pressed the start button does 2 part White 2 motor operate Check the belt position broken Check the Controller TR1 TR2 Broken Check the slide 3 ea s there any abnormal noise Check Capacitor volume Power during operation on amp press the start button See the left picture Check belt is burst Check structural restriction Motor supporter Air guide Blower Check white 3 pin female connector from motor Resistance check Check or replace Motor Check white 3 pin male Check Motor TP connector from controller when power cord is plugged
25. istance becomes co Resistance value 5O Resistance value 5 at 25 Resistance value Yellow White 50 7 1 520 Resistance value 200KO 5 at 25 C Resistance value 25 C Gray White 15 2 7 Q Blue White 25 5 7 Q POWER SUPPLY AC230V 8 5 3 7 uF Resistance value 25 C Yellow White 15 2 7 Q Orange White 25 5 7 Q 15 Safety Thermostat Cover Front High thermistor COMPONENT TESTING TIPS Component 7 Door S W 8 LED Lamp asm 12 Comp capacitor Test procedure Measure resistance of the Following terminal 1 Door switch knob open D Terminal COM NC 1 3 Terminal COM NO 1 2 2 Door switch Knob close D Terminal COM NC 1 3 Terminal COM NO 1 2 Measure resistance of the Following terminal e Red housing 2Wire BL 8 RED Measure resistance of the Following terminal Terminal at 25 2 Terminal S at 25 C Measure resistance of the Following terminal 1 Terminal 1 3 at 25 C Measure resistance of the Following terminal e Red housing 2Wire BL 8 RED Measure capacitance of Terminal to terminal Check result The state that knob is Pressed 15 opposite to open 1 Resistance value lt 1Q condition Resistance value oo Resistance value oo Resistance value lt
26. kQ 113 75kQ 5 4kQ 0 DIAGNOSTIC TEST Test 7 Moisture sensor check Trouble Symptom Drying Failure Measurement condition Power cord is unplugged With White 9 disconnected from eCheck Harness controller White 9 pin White 9 eCheck if Sensor tips pin have foreign objects Resistance is unlimited Refer to the left picture 3 Green wire 9 Orange wire With metal tape attached to eCheck Harness sensor tips White 9pin Open Connector is White 9pin 9 disconnected resistance is less than 100 After making damp clothes touch e Check and replace sensor tips the range are within Controller the below table in LQC test mode IMC Initial Moisture Contents 30 DIAGNOSTIC TEST Test 8 Check the status of the actions Sensor Drum Light Buzzer 3 when entering Pressing enter Once again press the same key fot three seconds to escape Turn the Jog Dial in data view state data can be checked as shown below Not to enter the Child lock status Apply the model Only Touch LED model The course Show details 6 reme Sports Wear Sump WaterLevel 75 Quick By Drain Pump 12 Rack Dry Main Version Trouble Symptom Not Drying Is the product leveled Check shaking tilt Is other material cloth mixed Is thick Cotton thin Polyester material cloth mixed Is installation e
27. ll out the harness from the housing FER DISASSEMBLE INSTRUCTIONS 10 Disassembling the side frame by releasing lt 222225050 0202500 4 screws 5008 95955 2005965 02209 116980005 6209999 0096909 0606080 690020050 0205000909 680050565 5 00202008 Oo o OQ OQ 062077000070 50 ONG 2090009 5902020690 leSo8a808 02339000006 lt 2 On 2 SS 00660960980 94 200000080900007 90099008090207 602407 0000 KEL5OXO 9596 No Ne OXO OOOD Q TO20600080000 5950 5 33898 e 2006 ARF LE 11 Disassemble the housing of motor compressor heater and thermistor Heater thermistor WH Small 2pin Heater housing WH Big 2pin Motor housing WH 3pin Compressor housing BLUE 3pin 12 Releasing the dispenser by unscrewing 1 screw If the hose is assembled unsuitable empty water error message will be indicated on the LED or LCD display lt lt AU 40 FER DISASSEMBLE INSTRUCTIONS 1 Disassemble the hose Check Hose to and to and 2 Remove the hose Hose to Check holder Hose 8 to D If hoses are not properly connected there is a risk of leak 41 DISASSEMBLE INSTRUCTIONS
28. lothing made of acrylic Everyday items suitable for heat drying When using the Refresh course please spray cold or warm water on the fabric for a fresher outcome The recommend amount is 20cc of water per shirt A CAUTION If the load is less than 1kg please use the Warm Air Cycle in Timed Drying Cycle Wool items should be dried using the Wool Cycle and heat sensitive fabrics including silk underwear and lingerie should be dried using the Delicate Cycle Please comply with the recommended laundry load when you select your desired Cycle found on page 19 Otherwise your clothes may be damaged PROGRAM Function Option Eco Hybrid Display Time min Anti Hand Damp Dry Delay Light Iron Bee Off p Eco Speed Off Eco ed Off Eco Speed Off Eco 6 jmws ww o o x vn o pw mo wo wo 9 x 9 Cotton Cupboard Light Iron Very RR IRR X peo feof wo s o o o o 103 worm o o o pejs jwopm jmoe o o o o x o jo s jeojs jm s o o o o x o _ _ o x o j ejs jejs je s o o o o x o jmom juo m jwov o o o lol x o Fabric Sensor Easy Cupboard EM
29. nvironment proper 1 ambient temp 5 C 35 C 2 check gap between product and wall 3 Is it installed to Built In Under environment Is thermistor normal 1 Outlet T Open Short 2 Comp T Open Short 3 Heater T Open Short 4 Eva In Open Short Is comp operation properly 1 Power On 2 Display dataview mode 3 Comp on after 1min from start 4 After comp on check corresponding the temp Comp T Is it rising Eva in Is it rising after falling Is there flow path blocking 1 Check Filter cleaning status 2 Check Evaporator clogging status Is the humidity sensor operating properly Does it operate properly after replacement Refer to humidity sensor inspection method Page 30 Yon Does the defect occur after PCB replacement Replace Base ASM or the product 31 Leg leveling Refer to how to adjust leveling Page 10 Dry after separating cloth Improve dryer installation environment Refer to installation environment Page 10 12 Is thermistor resistance normal Refer to resistance and measurement method page 15 17 1 Is OLP normal 2 15 Comp resistance normal 3 Is capacitor resistance normal refer to page 16 4 s LEV resistance normal 5 Check trace of oil leakage around Comp Clean filter Clean Evaporator clogging Refer to exploded view Page 45 Replace PCB Measurement condition Check if they are working while being connected to power s
30. ol valve 1 Disassemble the dryer Base Assembly 2 Disassemble the Control valve 1 Disassemble hose 5ea 2 Disassemble screw and housing i 6 8 LG Service Bulletin lt WASHING MACHINE Life s Good Bulletin Number Clean the Evaporator and Base lint by water Wash by water and brush 2 Be careful electric parts by splash water 3 Clean the Base under the Evaporator by water Sample icture P Nor 9 718 LG Service Bulletin WASHING MACHINE Life s Good Bulletin Number 4 Part Usage Old part New part Old unit New unit 5 Destroy Old Parts YES NO 6 SVC Bulletin History Prior Bulletin Number Date Content Bulletins 8 8 AUGUST 2011 PRINTED IN P No 3828EL9001Y
31. oney Reduced Drying Times Drying times are now shorter due to Hybrid heating system and optimized heat exechanger on this LG dryer Reduced noise levels We have reduced the operating noise of this LG dryer by using innovative sound absorbing and noise screening technologies making it much quieter than conventional dryers Easy of Use The wide electronically controlled LCD display on this machine is very easy to use Simply select the cycle you require and your LG dryer will do the rest omartDiagnosis is available by a Phone SmartDiagnosis function is available only for the products with a SmartDiagnosis mark Options e Time Delay Anti Crease Favorite e Buzzer Cotton Mixed Fabric Easy Care Sports Wear Quick Dry Delicate Woo Timed Drying Rack Dry Cool Air Warm Air Jeans Additional program Hybrid e Option e Dry Level Child Lock e Drum Light ILTER ENSOR AUTO CLEANING ECO gt Hybrid SENSOR F D R YIS Start Pause Cycle selector 3 PART IDENTIFICATION Product Layout RC 055 PZ RC 055 P2Z RC 055 P3Z RC 055 P1Z RH7050WH RH9051WH RH8051WH Control Panel Water Container Glass Door Opaque Door Air Ventilation Grill Accessory parts 1 Drain Hose Assembly Purchased Seper
32. r to the dryer or the controller Measurement condition Power is on A Caution Electric shock Please test after grounding check Power voltage is within e Check the standard range Circuit breaker 215V 245V e Check after disconnecting e Check the short of Yellow relay and Black relay harness assembly and connector of Main PCB the connection e Check the range of Blue and Brown wire is within AC 215 245V Check or replace the Power cord e Check or replace the Noise filter Check or replace the Controller 24 0 DIAGNOSTIC TEST Test 2 DOOR SWITCH LAMP CHECK Trouble Symptom Malfunction of lamp operation and door switch No operation of pump motor Displays t 5 in case of the door closed The door must be closed and start Measurement condition Check if they are working while being connected to power supply Check or replace Controller Assembly Replace Harness and connector Check door switch movement See the left picture Check and replace lamp See the 13 page When door is opened does lamp turn on Tumbling stops When door is closed does lamp turn off When Start button is pressed the dryer is working Door switch is working normally When door is opened or closed door switch hook is broken Replace door hook and close the door Check the electrical conduction by Yellow tab relay blue wire and White 3p
33. rain pump RPM 2 Check Drain RPM Check Compressor power consumption Comp out thermistor temperature Xm 70 P Check the below Evaporator thermistor temperature gt 1 AlI LED Lamp A LEV pulse 145 2 Display data LED window Motor CCW 1sec Off 0 5sec Motor M 22 Comp out thermistor temp 22 A CW ron E 22 Eva In thermistor temp 22 A Compressor On 5sec LEV 35Pulse 2sec 20 55 LEV pulse 55 55Pulse after 1min Buzzer 145Pulse after 1min Buzzer Check Comp Heater power consumption 2 pnm Hot thermistor temperature m 2 2 Display m TA iC 4 times Low thermistor temperature donte DH 22 High thermistor temp 22 A pd pulse 95 L 22 Low thermistor temp 22 A 3times Load operation LEV 95 Pulse 1sec 92 39 Humidity sensor data 239 Heater On ii Check the below BRE 1 All LED Lamp Off 5 times Cooling Fan power consumption lt ilow u 2 Check the Cooling fan on Cooling Fan On 6times hear the cooling fan operate eim water supply valve power consumption Ecce Ig ON 6 times dni ee eee ere Cupooara 1 Power off Steam Low High water sensor data D Light 2 End Buzzer sound if sound on Steam valve On 2sec Off 1sec a START PAUSE LOAD OPERATION DISPLAY HEMARKS 1 Water sensor Detection maintain 3sec Entry key set up OF display 2 Con
34. se 15 the shape of the end part of Drum Rear Seal felt normal There shall be no exposure of Damper Is Journal Bearing grease properly Sprayed Refer to exploded view Refer to picture C page35 Replace Journal bearing D122 Replace real seal D152 33 Replace Belt Is the washer between Drum and Rear cover flat Refer to picture D page35 Replace washer 0 DIAGNOSTIC TEST Test 11 Trouble Symptom Water Leakage Inspection Method 1 Separate Top Plate and Cabinet Left 2 Power On Select Cool Air Course and Start 3 Convert LCD Display to Data View Mode 4 After Start when the first Pumping is completed put 1 3 water in Drawer and pour around Dispenser water discharge hole slowly until Sump W value becomes 001 among Data View categories When it becomes 001 water supply shall be stopped immediately 5 Check electric parts mechanical parts hose connection in the left bottom and water leakage at the bottom of Base 15 hose properly connected Is hose properly connected Make sure to check when Check water discharge hose amp water discharge is connected Over Flow hose connection outside the product Refer to page41 x Check the status of the actions Sensor Can you verify Sump W 001 Is Water Level Sensor Housing Properly assemble DrumLight Buzzer 3 when entering without water leakage at the properly assembled Housing Pressing enter Once again press the same
35. trol valve position 2 Water sensor detect for 3 sec and 3 3 Pump On for 25sec times 4 Control valve position 1 5 Pump On for 25sec Entry key in Over Flow inspection Data Display Tested under normal operation mode Press the button as follows No of Button pressing Display 2 Remarks line inspection display the TEST Anti Crease Favorite Power key Over Flow inspection 19 9 TROUBLESHOOTING oe Hand Iron v Low Damp Dry Y Anti Crease Favorite 1 Water Sensor Dection Sump W 001 Power Key 2 Control Valve Position 1 Display Empty Water 3 Pumping Start until Power Off or Pause Handiron v Very v Low Cupboard Damp Dry v Light 9 Iron Hand Iron M Y Low Cupboard Damp Dry Light Beep 9 Iron 20 TROUBLESHOOTING Error Mode Display symptom Check point Low temperature themistor open short Drum out High temperature themistor open short Comp out Heater themistor open short Drum in Low temperature themistor open short Evaporator In DT temperature comp out gt 115 C Comp off and re operation after 3minutes if case D repeat for three The door must be closed and start Button must be pressed for reoperation Drain pump error D check the drain pump properly work 2 if CD is ok you need to check sump sensor 1 Connector
36. und In such cases the required accessory ground wire clamp and screw must be purchased separately Condensed Water Drain This appliance can be plumbed directly into the mains waste with the adaptor supplied Condensed water will drain away A plumber will be required A WARNING The dryer should not be installed next to a refrigeration appliance Do not install the Heat pump dryer next to the high temperature appliance like refrigerator oven or stove etc which can cause bad drying performance and duration and adversely affect the proper functioning of the compressor The Heat pump dryer gives the best work with the room temperature 23 12 INSTALLATION INSTRUCTIONS The damper in the door locker assembly and the packing for the rack assembly in the drum should be removed before use For better drying performance Please keep the rear of product away from wall Do not install the dryer where there is a risk of frost dust tumbles dryer may not be able to operate properly or may be damaged by freezing of condensed water in the pump and drain hose Wall 30cm 50cm A WARNING Avoid installing the product around the place with the heat The warm air venting from the rear side of the dryer must be well ventilated not this can bring on problems O Ventilation Grille and Cool Air Inlet Grille
37. upply Replace thermistor 1 For OLP amp Capacitor defect Replace the parts 2 For Comp defect Replace Comp Refer to R code C145 Page 45 3 For LEV defect Replace LEV DIAGNOSTIC TEST Test 9 Trouble Symptom Long Drying Time Standard Time Eco Mode Over 225min Speed Over 180min Drying Condition Cotton Cupboard 9kg Cotton Clothes Spin rpm Over 1 000rpm Measurement condition Check if they are working while being connected to power supply Is the product leveled Check shaking tilt Leg leveling Refer to how to leveling Page 10 Is other material cloth mixed Is thick Cotton thin Polyester material cloth mixed Dry after separating cloth Is installation environment proper 1 ambient temp 5 C 35 C Improve dryer installation 2 check gap between product and wall environment 3 Is it installed to Built in Under environment Refer to installation environment Page 10 12 Er If itis in Speed option Is dry option in Eco Mode Is there Thermostat Trip NO Release thermostat trip or replace thermostat Is Heater operating properly Replace heater or repair connection 1 Check resistance 2 Check harness amp connection Check the status of the actions Sensor Is Comp operating properly 1 Is OLP normal i DrumLight Buzzer 3 when entering Pressing enter 1 Power For OLP amp Capacitor defect 2 15 Comp resistance normal
38. ween pipes Noise type ta ta ta sound Check the status of the actions Sensor Drum Light Buzzer 3 when entering Pressing enter Once again press the same key fot three seconds to escape Turn the Jog Dial in data view state data can be checked as shown below Not to enter the Child lock status Apply the model Only Touch LED model NO The course Show detais 6 7 coten Sports Wear Sump Water Level Quick By Drain Pump RPM 12 Rack Dry Main Version Is noise from Al Pulley part Noise type chikchikchik Noise Beek Adjust product leveling Refer to how to leveling Page 10 Is Comp operating properly 1 Data View Mode Adjust pipe position to insure minimum 2 After Comp on check corresponding 5mm gap with pipe or mold thermistor temp Comp Is it rising Eva In Is it rising after falling 1 16 Comp reistance normal Adjust pipe position to insure minimum 2 Comp T lt 1030 5mm gap with pipe or mold Check in Data View Mode 3 Is LEV resistance normal 1 Is Cooling Fan normal Eco Comp T gt 95 operation Speed Operation after Comp 2 Is Cooling Fan resistance normal Replace PCB Is there a trace of Belt crack Is Belt properly assembled to Pulley prope Refer to picture page35 Adjust Belt Replace Pulley Bearing damage noi
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