LG CDE3379WD Service Manual Download | Manualshive

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FEATURES AND BENEFITS

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COIN TYPE (CDE3379WN/CDG3389WN)

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CARD TYPE (CDE3379WD/CDG3389WD)

1. DISPLAY LED
2. CYCLE BUTTON
3. START BUTTON

4. STATUS LED
5. CYCLE LED

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Summary of Contents for CDE3379WD

Page 1: ...CTRIC GAS DRYER SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY IN ORDER TO PROPERLY DIAGNOSE PROBLEMS AND TO SAFELY PROVIDE QUALITY SERVICE ON THESE DRYERS MODEL CDE3379WD CDG3389WD CDE3379WN CDG3389WN ...

Page 2: ...NOV 2006 PRINTED IN KOREA P No 3828EL3005K ...

Page 3: ...ems are present everywhere 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 Use an 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...

Page 4: ...WIRING DIAGRAM 35 15 DIAGNOSTIC TEST 36 15 1 TEST 1 120VAC ELECTRICAL SUPPLY 37 15 2 TEST 2 THERMISTOR TEST 40 15 3 TEST 3 MOTOR TEST 41 15 4 TEST 4 MOISTURE SENSOR 42 15 5 TEST 5 DOOR SWITCH TEST 43 15 6 TEST 6 HEATER SWITCH TEST ELECTRIC MODEL 44 15 7 TEST 7 GAS VALVE TEST GAS MODEL 45 15 8 TEST 8 SEMI CONDUCTOR 46 16 CHANGE GAS SETTING NATURAL GAS PROPANE GAS 47 17 DISASSEMBLY INSTRUCTIONS 49 1...

Page 5: ...unding areas free from the accumulation of lint dust and dirt The interior of the dryer and exhaust vent should be cleaned periodically by qualified service personnel Do not install or store the dryer where it will be exposed to the weather Do not reach into the dryer while parts are moving Always check the inside of the dryer for foreign objects Clean lint screen before or after each load Your Sa...

Page 6: ...l reduce the risk of electric shock by providing a path of least resistance for electric current This appliance must be equipped with a cord having an equipment grounding conductor and a grounding plug The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances WARNING Improper connection of the equipment rounding co...

Page 7: ...r of these substances namely benzene carbon monxide formaldehyde and soot caused primarily by the incomplete combustion of natural gas or LP fuels Properly adjusted dryers will minimize incomplete combustion Exposure to these substances can be minimized further by properly venting the dryer to the outdoors WHAT TO DO IF YOU SMELL GAS CALIFORNIA SAFE DRINKING WATER AND TOXIC ENFORCEMENT ACT To redu...

Page 8: ... risk of electric shock Failure to follow this warning can cause serious injury fire electrical shock or death Connect to a properly rated protected and sized power circuit to avoid electrical overload Improper power circuit can melt creating electrical shock and or fire hazard Remove all packing items and dispose of all shipping materials properly Failure to do so can result in death explosion fi...

Page 9: ... cm in diameter with no obstructions The exhaust duct should be kept as short as possible Make sure to clean any old ducts before installing your new dryer Failure to follow these instructions can result in fire or death Rigid or semi rigid metal ducting is recommended for use between the dryer and the wall In special installations when it is impossible to make a connection with the above recommen...

Page 10: ... best performance and also prevents overloading house wiring circuits which could cause a fire hazard from overheated wires Never unplug your dryer by pulling on the power cord Always grip plug firmly and pull straight out from the outlet The power cord can be cut by any movement of the core resulting in electrical shock Repair or replace immediately all power cords that have become frayed or othe...

Page 11: ...Electric or Gas Dryer Power supply Please refer to the rating label regarding detailed information Size 27 W X 38 69 H X 29 96 D inch Dryer capacity IEC 7 3 cu ft Weight 126 Ibs Specifications are subject to change by manufacturer ...

Page 12: ...Frame C Panel Color White Porcelain Coating Stainless Deco Hair line Chrom Silver 250W 4 5V 5400W 22 5A 13W 110mA x 2 Electronic IEC 7 3 cu ft 126 144 3 Available Available Available Stainless Steel 27 W x 38 69 H x 29 96 D Inch 29 53 W x 45 67 H x 31 30 D Inch AC 120V AC 240V ELECTRIC MODEL AC 120V GAS MODEL Electric 120 240V 24 Amps Gas LNG 120V 7 Amps MOTOR HEATER GAS VALVE Time dry Reversible ...

Page 13: ...12 FEATURES AND BENEFITS 3 COIN TYPE CDE3379WN CDG3389WN CARD TYPE CDE3379WD CDG3389WD 1 DISPLAY LED 2 CYCLE BUTTON 3 START BUTTON 4 STATUS LED 5 CYCLE LED 1 2 5 4 3 1 2 5 4 3 ...

Page 14: ...eveling legs and tighten the adjusting nuts to hold them in place All four legs should be placed firmly on a solid and even floor If the dryer is not level the clothes will not tumble properly and the sensor will not be able to detect the dryness level accurately Adjust the leveling legs carefully to avoid injury Note No other fuel burning appliance shall be installed in the same closet as the dry...

Page 15: ...ryer until it is level from left to right and from front to back The leveling legs must remain firmly on the floor and the dryer should not rock The maximum slope of the dryer from left to right or from front to back should not exceed 2 5 cm 1 inch If the dryer is not level and if the slope exceeds 2 5 cm 1 inch a load may not tumble properly and internal sensors may malfunction Note Other section...

Page 16: ...E TO EXHAUST THE DRYER CORRECTLY WILL VOID THE DRYER S WARRANTY WARNING Use a heavy metal vent Do not use plastic or thin foil duct Clean old ducts before installing this dryer Failure to follow these instructions can result in death or fire ALTERNATE EXHAUST DIRECTIONS 1 Remove the screw that attaches the duct s tab to the dryer 2 1 Detach and remove the knockout that matches the desired venting ...

Page 17: ... Dryer It is important that you thoroughly review that section and the remainder of this manual before taking any steps to install or use this dryer 1 Use only a new U L listed No 10 copper wire only three conductor power supply cord kit rated 240 Volts minimum 30 Amperes and labeled as suitable for use in a clothes dryer 2 Four wire cord is required for manufactured mobile home installations and ...

Page 18: ...the dryer on a heat setting as described more fully in the operating instructions that accompany the dryer After the dryer starts the igniter will glow red and the main burner will ignite Warning If all air is not purged from the gas line the gas igniter may go off before the gas and the main burner have ignited If this happens the igniter will re attempt gas ignition after approximately two minut...

Page 19: ...the other one away safely Card reader housing Coin housing When power on the machine at first time without connecting card reader or coin housing display will show LqC1 INSTALLATION INSTRUCTIONS 5 1 1 Coin Card housing 2 2 COIN TYPE 3 3 CARD TYPE WARNING Disconnect power before service Failure to follow these instructions can result in death or electrical shock ...

Page 20: ...n on gas and check all pipe connections internal external for gas leaks with a non corrosive leak detection fluid 5 For L P Liquefied Petroleum gas connection refer to section on Gas Requirements For further assistance refer to section on Gas Requirements 1 New Stainless Steel Flexible Connector Use only if allowed by local codes Use Design A G A Certified Connector 2 1 8 N P T Pipe Plug for check...

Page 21: ...d dryer terminal block IS NOT supplied with dryer Type of pigtail and gauge of wire must conform to local codes and with instructions on the following pages Failure to follow these instructions can result in fire explosion or death A 4 wire connection is required for all mobile and manufactured home installations as well as all new construction after January 1 1996 A 4 wire connection must be used...

Page 22: ...Wire Power Cord Terminal Block Ground Screw Neutral White Hot Black Power Cord Ground Wire Hot Red A 4 wire connection is required for all mobile and manufactured home installations as well as all new construction after January 1 1996 A UL listed strain relief is required Use a 30 amp 240V UL listed power cord with 10 AWG minimum copper conductor and closed loop or forked terminals with upturned e...

Page 23: ...l a UL listed strain relief into the power cord through hole then thread the power cable prepared in Step 1 through the strain relief 2 UL Listed Strain Relief UL Listed 4 Wire Power Cord Terminal Block 5 12 7 cm 1 2 5 cm Four Wire Connection for Electric Dryers Direct Wire A 4 wire connection is required for all mobile and manufactured home installations as well as all new construction after Janu...

Page 24: ...ruction after January 1 1996 A UL listed strain relief is required Use a 30 amp 240V UL listed power cord with 10 AWG minimum copper conductor and closed loop or forked terminals with upturned ends Ground Screw UL Listed Strain Relief UL Listed 3 Wire Power Cord Terminal Block Ground Wire Hot Black Hot Red Neutral White WARNING Connect the power cord to the terminal block Each colored wire should ...

Page 25: ...power cable prepared in Step 1 through the strain relief 2 UL Listed Strain Relief UL Listed 3 Wire Power Cord Terminal Block 1 2 5 cm A 3 wire connection is NOT permitted on new construction after January 1 1996 A UL listed strain relief is required Use UL listed 3 wire 10 AWG minimum copper conductor cable Allow at least 5 ft 1 5 m length to allow for removal and reinstallation of the dryer WARN...

Page 26: ...against shock The plug should be plugged directed into a properly grounded three prong receptacle that is rated 120 Volts AC alternating current 15 Amps This plug in order to be properly and fully effective must be plugged into a properly installed outlet that is grounded in accordance with all local codes and ordinances b The dryer must be grounded in order to reduce the risk of electric shock in...

Page 27: ...table under local codes and ordinances and when acceptable to your gas supplier 3 8 inch approved tubing may be used where lengths are less than 20 feet 6 1 m Larger tubing should be used for lengths in excess of 20 feet 6 1 m It is also important that you use pipe joint compound that is insoluble in LP gas 6 To reduce the danger of gas leaks explosion and fire please follow and observe the follow...

Page 28: ...n the dryer and and the wall In special installations when it is impossible to make a connection with the above recommendations then a UL listed flexible metal transition duct may be used between the dryer and wall connection only The use of this ducting will affect dry time 4 DO NOT use sheet metal screws on exhaust pipe joints or other fastening means which extend into the duct that could catch ...

Page 29: ...r because wiring errors can cause serious injury to you and your dryer Cleaning the Lint Screen 1 Clean the lint filter either before drying each load or after drying each load Always make sure the lint filter is clean before starting a new load because a clogged lint filter may increase drying times 2 To clean pull the lint screen straight up and roll any lint off the screen with your fingers Do ...

Page 30: ...e Dry More Dry Saturation Saturation Saturation 45 min 45 min 45 min 2 min 2 min 2 min 68 4 C 60 4 C 52 3 C 47 5 C 47 5 C 38 5 C Time Dry LOAD Default Drying Electro sensor Temp Control Default time Temp Control Cooling Conditions of operation and termination Temp erature Dry Level Display time Temperature Control for each cycle ...

Page 31: ... of terminal to terminal Open at 185 9 F 85 5 C Close at 149 9 F 65 5 C Same shape as Thermal cut off Resistance value Resistance value 5Ω Blow housing Safety Electric type 6 Idler switch Measure resistance of the following terminal COM NC 1 lever open Resistance value 1Ω 2 Lever push close Resistance value 5 Door switch Measure resistance of the following terminal 1 Door switch knob open Terminal...

Page 32: ...58 F 10 40 C 58 F 104F 10 40 C Resistance value 10Ω Heater case Hi limit Electric type 9 Motor See Page 13 10 Gas valve valve 1 valve 2 Measure resistance of the following terminal Valve 1 terminal Valve 2 terminal Resistance value 1 5 kΩ Resistance value 1 5 2 5 kΩ Gas type 11 Igniter Measure resistance of terminal to terminal Resistance value 100 800Ω Gas type 12 Frame Detect Measure resistance ...

Page 33: ... terminal Open at 203 7 F 95 5 C Close at 158 9 F 70 5 C Resistance value Continuity 1Ω Gas type Gas funnel 13 Outlet Thermostat Manual reset Check Top Marking N100 Measure resistance of terminal to terminal Open at 212 12 F 100 7 C Manual reset If thermal fuse is open must be replaced Resistance value Continuity 1Ω Gas type Gas funnel ...

Page 34: ...n Motor does not operate RUN MODE Motor operates Centrifugal switch Centrifugal switch Pull Drive forward WARNING When checking the component be sure to turn the power off and do discharge voltage sufficiently Failure to follow these instructions can result in death or electrical shock ...

Page 35: ...B ASSEMBLY LAY OUT Option MODEL DISPLAY AS DIAGNOSTIC TEST MODEL OP 2 X X Card Type Gas E CDG3389WD CDE3379WD CDG3389WN CDE3379WN Gas E Coin Type X O OP 3 E9 09 E9 0E E9 09 E9 0E 6871EL1015F 6871EL1015E 6871EL1015F 6871EL1015E OPTION PART LED DISPLAY P No ...

Page 36: ...AY WHITE 2 1 3 7 10 RED ORANGE BLUE 6 4 2 1 2 1 2 1 THERMISTOR MOISTURE SENSOR GAS DRYER WIRING DIAGRAM ELECTRONIC CONTROL SAFETYTHERMOSTAT HI LIMIT THERMOSTAT BLOWER THERMOSTAT OVERLOAD PROTECTOR DOORSWITCH GRAY NC NO BL2 YL2 WH1 TRANS BL3 NA6 COM WHITE N WHITE WHITE YELLOW RED THERMISTOR MOISTURE SENSOR DCVALVE1 FLAME DETECTOR IGNITER MOTOR NC NO BELT SWITCH TAPRELAY BLACK DCVALVE2 L1 BLACK GN Y...

Page 37: ...cally Do not use Note Number of times the START button is pressed Display Checking point None 1 time 2 times 3 times 4 times 5 times 6 times During check if the door is open During check if the door is closed Check the version and code of machine ELECTRIC TYPE Eg OE GAS TYPE Eg Og Motor runs ELECTRIC TYPE Heater runs Motor Heater 1 2700W GAS TYPE GAS valve runs Motor Valve ELECTRIC TYPE Heater run...

Page 38: ... to the Controller and WH1 White Wire Is 110 125V YES NO 1 1 2 BK2 or WH2 WH1 BK WH Check if power cord is properly connected Reconnect the controller Replace controIler Check if the controller wire is disconnected Check if terminal block and power cord are connected Check Plug Does Power Cord N Natural line match to Terminal Center N Natural line YES NO L Black L Led N White WARNING When measurin...

Page 39: ...YOUT Low Extra Low Tab Relay 2 Heater 1 Heater 2 Remark Connector Housing Black Check the matching color between harness wire and tab relay Black Housing Black Tab Relay Check the matching color between harness wire and tab relay White Housing White Tab Relay White Color Table1 Connection of the Tab Relay with Heater Electric Table 2 Connection of the Tab Relay with Burner Gas Table1 Connection of...

Page 40: ... White PCB condition of operation Connector Housing Black Check the matching color between harness wire and tab relay Black Housing Black Tab Relay Color Table 2 Connection of Tab Relay with PCB ASSEMBLY Gas Table1 Wrong Connection of the Tab Relay and Connector Housing Electric Table2 Wrong Connection of the Tab Relay and Connector Housing Gas Harness Remark PCB Tap relay 1 1 2 Blue Wire Black Wi...

Page 41: ...in Connector from the Controller Table 1 Resistance for Thermistor Temperature Check if resistance is in the range of Table 1 when measuring resistance between terminals after separating harness from thermistor assembly connector YES NO Replace thermistor Air TEMP F C 50 F 10 C 60 F 16 C 70 F 21 C 80 F 27 C 18 0 14 2 11 7 9 3 90 F 32 C 100 F 38 C 110 F 43 C 120 F 49 C 7 7 6 2 5 2 4 3 130 F 54 C 14...

Page 42: ...ck harness connection Is resistance below 3Ω between Connector BL2 Yellow wire and BL2 Brown wire NO YES Replace control Relay check Check controller connector Is resistance below 1Ω between terminals of outlet thermostat attached to blower housing YES NO Replace outlet Thermostat Refer to component Is resistance below 3Ω between connector WH White wire and BL2 Brown wire Measure while door is clo...

Page 43: ...Blue Wire and Pin Orange Wire to controller When measuring resistance in electrode load is resistance below 1Ω YES NO When contacting cloth to electrode 1 Is the measurement within the range of Table 2 during diagnostic test 2 Is the measurement within the range of Table 2 when measuring the voltage in the 6 pin connector s Pin BLUE wire and Pin ORANGE wire YES NO Replace control and check Check e...

Page 44: ...ile door is closed Check it resistance is below 2500 Ω between WH1 White wire and BK2 Connector WH1 BL2 after taking WH1 BL2 out from Controller Measure while door is open Check it resistance is 300 60 Ω between WH1 White wire and BK2 Black wire Connector WH1 BL2 after taking WH1 BL2 out from controller Measure while door is open Check it resistance is below 1 Ω between BL2 Yellow wire and WH1 Whi...

Page 45: ...Is resistance between heater terminal and below 18 22Ω 3 Is resistance between heater terminal and below 9 11Ω YES NO Replace heater Check if the value of measured resistance is below 1Ω between terminal TH2 Safety Thermostat YES NO Replace TH2 Safety Thermostat Check if the value of measured resistance is below 1Ω between terminal TH3 HI Limit Thermostat YES NO Replace TH3 HI Limit Thermostat TH3...

Page 46: ...fety Igniter operates after 1 minute igniter becomes reddish YES NO Check igniter flame detect When measuring Valve 2 voltage Value is more than DC 90V 10 sec after Igniter off NO YES Check gas connection or gas supply When measuring Valve 1 voltage More than DC 90V YES NO If valve 1 and Valve 2 are under DC 10V valves are off YES NO Power on start Normal Cycle NO Igniter Valve 2 Valve 1 WARNING W...

Page 47: ... within the range of 300 20 Ω between Red White 2 Is the measurement within the range of 300 20 Ω between Black White YES NO Replace control and check Check semi conductor and harness connector Check harness linking connector Take 6pin Connector from the Controller B W R WARNING Before measuring resistance be sure to turn power off and do discharge voltage When discharging contact the metal plug o...

Page 48: ...with propane gas orifice Kit contents Orifice Dia 1 613mm for Propane Gas Replace Label Instruction Sheet WARNING Conversion must be made by a qualified technician Changing orifices and gas valve adjustments improperly can result in an explosion and or fire The dryer is shipped from the factory set up and adjusted to operate on natural gas It can be converted to operate on propane LPG The conversi...

Page 49: ...E 1 IGNITER VALVE 2 FLAME DETECT OPEN GAS VALVE STRUCTURE Adjustment Screw GAS VALVE FLOW START KEY PUSH DRYING VALVE 1 ON VALVE 2 ON IGNITER ON IGNITER OFF FLAME DETECT OPEN IGNITER TEMPERATURE ABOUT 370 F GAS IGNITION FLAME DETECT CLOSE VALVE 2 OFF NO NO YES YES ...

Page 50: ...NTROL PANEL ASSEMBLY 2 Pull the control panel assembly upward and then forward 3 Disconnct the connectors WARNING Disassemble and repair the unit only after pulling out power plug from the outlet Failure to follow these instructions can result in death or electrical shock ...

Page 51: ...50 TOP PLATE 1 Remove 2 screws on the control panel frame 2 Push the top plate backward forcefully 3 Lift the plate ...

Page 52: ...CABINET 1 Disassemble the top plate 2 Disassemble the control panel assembly 3 Disassemble the door assembly 4 Remove 2 screws 5 Remove 4 screws from the top of cabinet cover 6 Disconnect the door switch harness ...

Page 53: ...he door lamp and electrode sensor connector 4 Remove 4 screws 5 Disassemble the tub drum front TUB DRUM FRONT 1 Disassemble the top plate 2 Remove the cabinet cover and drum front 3 Loosen belt from motor and idler pulleys 4 Carefully remove the drum DRUM ASSEMBLY 1 2 1 ...

Page 54: ...t kit is available as a service part 383EEL9001B 2 1 Detach and remove a knockout at the botton left or right side as desired Right side vent not available on gas dryer the order of work 3 1 Pre assemble a 4 inch elbow to a piece of duct Wrap duct tape around the joint 3 2 Insert the elbow duct assembly through the side opening and connect the elbow to the internal duct ...

Page 55: ...ve the cabinet cover and drum front 3 Remove the Drum assembly 4 Remove 2 screws and cover air guide 5 Remove the bolt and washer 6 Remove the fan 7 Disconnect the motor clamp and motor BLOWER HOUSING 1 Disassemble the top plate 2 Remove the cabinet cover and drum front 3 Remove the drum assembly 4 Remove 7 screws 5 Remove the back cover BACK COVER ...

Page 56: ...nd 2 screws 4 Remove the air duct AIR DUCT 1 Disassemble the top plate 2 Remove the cover cabinet and tub drum front 3 Remove the drum assembly and tub drum rear 4 Disconnect the air duct from the tub drum front 5 Remove the roller from the tub drum front and tub drum rear ROLLERS ...

Page 57: ...56 EXPLODED VIEW 18 18 1 Control Panel Plate Assembly A130 A110 A120 A210 ...

Page 58: ...57 18 2 Cabinet Door Assembly A600 A550 A390 A800 A500 A460 A510 A410 A420 A450 A430 A400 A530 A525 A540 A520 A310 A330 A320 A570 A560 A212 A305 A300 ...

Page 59: ... M171 M140 M240 M150 M141 M220 M230 M110 M181 M250 M190 K640 K120 K140 K400 F200 K310 K610 K330 K340 K130 K100 K210 K230 K350 K240 K510 K540 K650 K651 K600 K530 K520 K550 K560 K360 K620 K320 K250 K251 K250 K251 M171 Propane Gas orifice M170 Natural Gas orifice ...

Page 60: ... door and pull the filter straight up 1 Wipe out the door opening Otherwise build ups of dirty and foreign objects will damage sealing of door 2 Clean the transparent glass door to keep inside view clear Run the fingers across the filter 2 Clean the filter using one of following ways in cases Vacuum the lint filter Wash the lint screen in warm soapy water Dry thoroughly and replace Clean the door ...

Page 61: ...ped the dryer might tumble but not heat Check your home s or laundry room s fuse box circuit breaker box and replace the fuse or reset the circuit breaker IMPORTANT Electric dryers generally use two fuses or breakers Confirm that the house gas shutoff and the dryer gas shutoff are both fully open 3 Problem There are greasy spots on my clothes Question What to Do Did you follow the instructions on ...

Page 62: ...er articles of clothing are empty before washing and drying Is your lint filter full Did you properly sort your load of laundry Do your clothes have excess static electricity Did you overload your dryer Did you place any paper tissue or other similar material in the load Did you use fabric softener Did you over dry the load of laundry Are you drying synthetic permanent press and blends Try using a...

Page 63: ...ctions Confirm that the outside wall dampers are moving freely that the dampers are not pushed in and that nothing has been set against the dampers Check your home s or laundry room s fuse box circuit breaker box and replace the fuse or reset the circuit breaker IMPORTANT Electric dryers generally use two fuses or breakers Divide your larger load into a number of smaller loads If you are only dryi...

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