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Related Manuals for LG DLEX8388WM
Summary of Contents for LG DLEX8388WM
- Page 1 LG TRAINING MANUAL LG TRAINING MANUAL Steam Dryers DLEX8377*M/DLG8388*M Fall 2008...
- Page 2 Published August 2008 by LG Electronics USA Trainng Center Copyright © 2008 LG Electronics of Alabama, Inc. hone ontaCts Contact Number Hours of Operation Customer Service (800) 243-0000 24/7 - 365 days a year Technical Support (800) 847-7597 7am-7pm Mon-Fri / Sat 8-2 CST...
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Page 3: Important Notices (The Small Print Page)
The manufacturer and seller are not to be held responsible for any liability incurred from its use. COMPLIANCE The responsible party for this device’s compliance is LG Electronics Alabama, Inc.; 201 James Record Road, Huntsville, AL, 35813. DLEX8388WM... -
Page 4: Table Of Contents
Test 4 – Moisture Sensor Test Test 5 – Door Switch Test Test 6 – Heater Switch Test (Electric Dryer Only) Test 7 – Gas Valve Test (Gas Dryer Only) Test 8 – Semiconductor (Sensor) Test continued on next page DLEX8388WM Page 2 STEAM DRYER... - Page 5 Filter Assembly and Moisture Sensor Rear Bulkhead Air Duct Rollers Blower Housing Exploded Views Parts List Supplementary Materials Serial Number Identification Ohm’s and Watt’s Laws (Chart and Formulae) Temperature Conversion (Chart and Formulae) Service Bulletins DLEX8388WM Page 3 STEAM DRYER...
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Page 6: Introduction
5. Sensor cycle indicator 6. Indicators – refer to the option buttons below the window. These buttons allow the user to override the default settings on many cycles. Error messages are displayed in the LCD window as well. DLEX8388WM Page 4 STEAM DRYER... -
Page 7: Led Control Panel
TRAINING MANUAL DLEX8377WM INTRODUCTION, continued MAIN PANEL New features on the control panel include the STEAM FUNCTION BUTTONS and the ADD WATER warning lamp. The option buttons are the same on both types of control panel. DLEX8388WM Page 5 STEAM DRYER... -
Page 8: Safety Notices
The STEAM GENERATOR operates at a high temperature (hot enough to boil water.) When servicing the steam generator, let it cool before beginning work. Hot water and steam can cause severe burns and injuries. DLEX8388WM Page 6 STEAM DRYER... -
Page 9: Warranty Information
TRAINING MANUAL DLEX8377WM WARRANTY Warranty statements vary by product. Be sure to check the warranty that was included with the product because that is the valid warranty. This statement is generic and for instructional purposes only. DLEX8388WM Page 7 STEAM DRYER... -
Page 10: Specifications
TRAINING MANUAL DLEX8377WM SPECIFICATIONS Specifications are subject to change without notice. DLEX8388WM Page 8 STEAM DRYER... -
Page 11: Accessories
Press START. Be sure the front of the rack is properly situated in the notches on either side of the filter. The back should rest on the drum and allow the drum to rotate. DLEX8388WM Page 9 STEAM DRYER... -
Page 12: Stacking Kit Installation
Lift the dryer on top of the washer it toward the front of the washer, as shown. Slide the dryer all the way back to the stop on the rail. DLEX8388WM Page 10 STEAM DRYER... -
Page 13: Makeup Air
The dryer is essentially an air pump moving 150 cfm (cubic feet per minute) and that air must come from somewhere for the dryer to operate properly. Additional air must be supplied to support proper combustion. DLEX8388WM Page 11 STEAM DRYER... -
Page 14: Pedestal
(curved for the dryer and flat (shown) for the washer.) Use the correct bracket for your application. The curved bracket is for clearance of the exhaust vent when a dryer has been converted to side venting. (See next page.) DLEX8388WM Page 12 STEAM DRYER... - Page 15 The flat tops are for washers; the curved tops (shown) are for dryers. Use the correct brackets for your application. The curved bracket is for clearance of the exhaust vent when a dryer has been converted to side venting. DLEX8388WM Page 13 STEAM DRYER...
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Page 16: Remote Laundry Monitor Installation
Press and hold the button until the display shows SET. The dryer can be operated normally without the modem if the customer does not wish to purchase it as an option. DLEX8388WM Page 14 STEAM DRYER... -
Page 17: Electrical Connection (Electric Dryer Only)
Then connect the terminals to the terminal block, matching the wire colors. A. Ground screw on chassis B. Green wire from power cord C. Strain relief D. Neutral screw on terminal block E. Terminal block F. Neutral wire from power cord DLEX8388WM Page 15 STEAM DRYER... - Page 18 A. Ground screw on chassis B. Green wire from power cord C. Strain relief D. Neutral screw on terminal block E. Ground-to-neutral connection F. Neutral wire from power cord DLEX8388WM Page 16 STEAM DRYER...
- Page 19 Fold it over to the back of the dryer so it covers the access to the terminal block. Be sure no wires are exposed or could touch any metal surface. Secure the cover with a screw. DLEX8388WM Page 17 STEAM DRYER...
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Page 20: Gas Connection (Gas Dryer Only)
If you smell gas, turn off the main valve and open a window. The gas dryer requires a 120 V , single-outlet, dedicated circuit. The cord is installed at the factory and no user-intervention is required. DLEX8388WM Page 18 STEAM DRYER... -
Page 21: Dryer Cycle Chart
** MANUAL DRY The temperature is set by the customer. The maximum drying time for RACK DRY or SPEED DRY is 1 hour 39 minutes. The default settings can be overridden by the customer in most cases. DLEX8388WM Page 19 STEAM DRYER... -
Page 22: Steam Cycle Information
CHILD LOCK can be engaged only after a cycle has been selected and the START button has been pressed. CHLD LOCK locks ALL controls, including the POWER button. It releases at the end of the cycle or in the event of a power failure. DLEX8388WM Page 20 STEAM DRYER... -
Page 23: Display Pwb
The main board is attached to the back of the display board in the control panel by two screws. Many of the components of the dryer can be tested by removing their connector at the main board. DLEX8388WM Page 21 STEAM DRYER... -
Page 24: Main Control Board (Photo, With Connectors Labeled)
TRAINING MANUAL DLEX8377WM MAIN PWB The main board includes the relays that operate electric heaters and gas valves. The gas and electric models have a different main board. DLEX8388WM Page 22 STEAM DRYER... -
Page 25: Schematic (Electric Dryer)
TRAINING MANUAL DLEX8377WM SCHEMATIC – ELECTRIC DRYER DLEX8388WM Page 23 STEAM DRYER... -
Page 26: Schematic (Gas Dryer)
TRAINING MANUAL DLEX8377WM SCHEMATIC – GAS DRYER DLEX8388WM Page 24 STEAM DRYER... -
Page 27: Diagnostic Test Mode
Unplug the dryer for one minute after using the diagnostic mode. NOTE: During Test 4, The Steam Generator pump will flood the dryer if allowed to run very long. This is normal, so do not stay on this test very long. DLEX8388WM Page 25 STEAM DRYER... -
Page 28: Component Testing Procedures
COMPONENT TESTING PROCEDURES Testing the various components of the dryer is relatively simple. Most can be checked without major disassembly of the dryer. Many can be checked by removing that component’s connector at the main control board. DLEX8388WM Page 26 STEAM DRYER... - Page 29 TRAINING MANUAL DLEX8377WM COMPONENT TESTING PROCEDURES continued DLEX8388WM Page 27 STEAM DRYER...
- Page 30 TRAINING MANUAL DLEX8377WM COMPONENT TESTING PROCEDURES continued DLEX8388WM Page 28 STEAM DRYER...
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Page 31: Motor Diagram And Schematic
To check the motor, turn the power off and allow the capacitor to discharge. The centrifugal switch serves as a safety device to turn off the fuel (gas or electricity) to the heater if the motor fails to rotate. DLEX8388WM Page 29 STEAM DRYER... -
Page 32: Safety Switches
(gas or electricity). The centrifugal switch includes a multi-pin connector (shown). The belt switch is simple. If the belt breaks, the spring pulls the lever down and it presses the switch to turn the dryer off. DLEX8388WM Page 30 STEAM DRYER... -
Page 33: Diagnostic Test Procedures
TEST 1 – AC ELECTRICAL SUPPLY WARNING! Use insulated gloves to avoid electrical shock. SYMPTOM! No power, display off. CONDITION! Power on to dryer, controller connected. continued on next page DLEX8388WM Page 31 STEAM DRYER... - Page 34 TRAINING MANUAL DLEX8377WM WARNING! Use insulated gloves to avoid electrical shock. SYMPTOM! Check the TAB RELAY connections. CONDITION! Power on to dryer, controller connected. POWER CONNECTION DLEX8388WM Page 32 STEAM DRYER...
- Page 35 TRAINING MANUAL DLEX8377WM CONNECTION STATUS (Electric) CONNECTION STATUS (Electric) If the power connection is reversed, the dryer will not operate and components can be damaged. CONNECTION STATUS REVERSED (Incorrect) (Electric) CONNECTION STATUS REVERSED (Incorrect) (Gas) DLEX8388WM Page 33 STEAM DRYER...
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Page 36: Test 2 - Thermistor Test (Power Off)
TEST 2 – Thermistor Test (Power Off) WARNING! Use insulated gloves to avoid electrical shock. SYMPTOM! tE1 and tE2 error codes occur during the test. Heater does not turn off. Significant difference between actual and sensed temperature. CONDITION! Power off. DLEX8388WM Page 34 STEAM DRYER... -
Page 37: Test 3 - Motor Test
Discharge (see below) before measuring resistance. SYMPTOM! Motor, fan, and heater do not function. CONDITION! Turn power off, unplug dryer, and discharge by shorting line and neutral to ground at the end of the power cord. DLEX8388WM Page 35 STEAM DRYER... -
Page 38: Test 4 - Moisture Sensor Test
Discharge (see below) before measuring resistance. SYMPTOM! Dryness of clothing does not match set dry level. CONDITION! Turn power off, unplug dryer, and discharge by shorting line and neutral to ground at the end of the power cord. Measure resistance. DLEX8388WM Page 36 STEAM DRYER... -
Page 39: Test 5 - Door Switch Test
TRAINING MANUAL DLEX8377WM TEST 5 – Door Switch Test WARNING! Discharge before measuring resistance. SYMPTOM! Door opening not sensed (dryer runs with door open). CONDITION! Turn dryer off, unplug, discharge, and measure resistance. DLEX8388WM Page 37 STEAM DRYER... -
Page 40: Test 6 - Heater Switch Test (Electric Dryer Only)
TRAINING MANUAL DLEX8377WM TEST 6 – Heater Switch (Electric Dryer Only) WARNING! Discharge before measuring resistance. SYMPTOM! Heater does not operate. CONDITION! Turn power off, unplug, discharge, and measure resistance. DLEX8388WM Page 38 STEAM DRYER... -
Page 41: Test 7 - Gas Valve Test (Gas Dryer Only)
TRAINING MANUAL DLEX8377WM TEST 7 – Gas Valve Test (Gas Dryer Only) WARNING! Use insulated gloves to avoid electrical shock. SYMPTOM! Heater does not operate. CONDITION! Power on. DLEX8388WM Page 39 STEAM DRYER... -
Page 42: Test 8 - Semiconductor (Sensor) Test
TRAINING MANUAL DLEX8377WM TEST 8 – Semiconductor Test (Sensor) WARNING! Discharge before measuring resistance. SYMPTOM! Resistance is not 300Ω ± 20Ω CONDITION! Turn power off, unplug, discharge, and measure resistance. DLEX8388WM Page 40 STEAM DRYER... -
Page 43: Gas Conversion (Natural Gas To Propane)
NOTE: The conversion should be performed by a licensed and certified gasfitter or other trained, qualified servicer. DLEX8388WM Page 41 STEAM DRYER... -
Page 44: Regulator Conversion
There is a port on the gas valve assembly that allows checking the pressure. Remove the brass screw on the test port and attach a manometer to read the gas pressure. (The screw is already removed in the photo.) DLEX8388WM Page 42 STEAM DRYER... -
Page 45: Gas Pressure Testing
Insert a 2-foot test pipe with fittings for a temperature probe and a manometer. (See page 57.) Under these conditions, you can measure input gas pressure, vent temperature, and static vent pressure under normal operating conditions. DLEX8388WM Page 43 STEAM DRYER... -
Page 46: Gas Valve Operation
If the flame detector does not detect ignition, valve one is closed and the process is restarted. If ignition occurs as planned, the drying cycle will operate. GAS IGNITION SEQUENCE GAS VALVE CONSTRUCTION IGNITION FLOW CHART DLEX8388WM Page 44 STEAM DRYER... -
Page 47: Disassembly And Repair Instructions
Open the drawer. Remove the water tank. Pull the drawer to full extension, lift the retaining tab, and take the drawer out of the dryer. Remove the two screws at the sides of the drawer opening. DLEX8388WM Page 45 STEAM DRYER... -
Page 48: Control Panel
Be sure to disengage all the plastic tabs along the top. Lay the control panel on its face on a soft, protective cloth. Remove 2 screws on the main PWB. Remove 6 screws on the display PWB. Disassemble the control panel. DLEX8388WM Page 46 STEAM DRYER... -
Page 49: Front Cabinet
Remove the door and set it aside on a soft, protective cloth. Save the hinge shim. Remove two screws near the latch. Remove two screws and the latch piece. Rotate everything 180° and reinstall so the door opens from the other side. DLEX8388WM Page 47 STEAM DRYER... -
Page 50: Guide Assembly (For Steam Generation)
Remove the hoses from the pump and the steam generator. (Use water pump pliers to remove the hose clamps.) Lift the pump and the steam generator out of the assembly housing. DLEX8388WM Page 48 STEAM DRYER... -
Page 51: Steam Generator
3 to 5 loads per tankful. If the steam generator is not filled within 60 seconds of pump operation, the display will indicate error code E5. DLEX8388WM Page 49 STEAM DRYER... -
Page 52: Steam Generator Troubleshooting
From the wiring diagram you will see that the black wire is the GND reference. The orange wire is the low water sensor lead. The brown wire is the high water sensor terminal. DLEX8388WM Page 50 STEAM DRYER... -
Page 53: Thermistor Testing
9 water pump and water reservoir if needed, and then energize the heater. After a few minutes, steam is produced. DLEX8388WM Page 51 STEAM DRYER... - Page 54 4) Reconnect the single brown wire to the high water sensor. The control board should sense the water is touching the high water sensor and turns the 9 V to the motor OFF. DLEX8388WM Page 52 STEAM DRYER...
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Page 55: Panel Body And Frame
TUB FRONT (FRONT BULKHEAD) Remove the top plate. Remove the front cabinet. Disconnect the door lamp (top) and electrode sensor (bottom). Remove the four screws holding the front assembly. Lift the tub front up and away. DLEX8388WM Page 53 STEAM DRYER... -
Page 56: Drum, Belt, And Pulley
Reach in through the front or the side and loop the belt around the motor shaft and the pulley. Rotate the drum by hand a couple of turns to seat it. DLEX8388WM Page 54 STEAM DRYER... -
Page 57: Drum Lamp
The socket can be removed and replaced by squeezing the tabs and pulling the bulb and socket into the housing. Press it back into place after changing the bulb. DLEX8388WM Page 55 STEAM DRYER... -
Page 58: Vent Replacement (Side Venting Kit)
Insert the pre-assembled elbow into the dryer through the vent hole and connect it to the internal pipe. Tear off some pieces of duct tape and secure that joint also. Connect the pipe to the exhaust duct. DLEX8388WM Page 56 STEAM DRYER... -
Page 59: Additional Venting Information
The Dwyer 460 Air Meter is an economical test item for measuring static pressure in vent ducts. It is attached to a fitting on a test pipe in the dryer exhaust to read the static pressure in the vent. DLEX8388WM Page 57 STEAM DRYER... -
Page 60: Static Pressure Testing And Vent Kit
Full instructions are included, and it is not necessary to disassemble the dryer to Part # 383EEL9001B install the vent kit. DLEX8388WM Page 58 STEAM DRYER... -
Page 61: Filter Assembly And Moisture Sensor
Remove the rear bulkhead from inside the dryer cabinet. AIR DUCT Remove the top plate. Remove the front cover. Remove the filter. Remove 2 screws at the top of the air duct. Remove the air duct. DLEX8388WM Page 59 STEAM DRYER... -
Page 62: Rollers
See photo. Some models are supplied with an updated roller assembly that does not include the bushings. These assemblies are interchangeable across most LG dryer models. DLEX8388WM Page 60 STEAM DRYER... -
Page 63: Blower Housing
Remove the nut and washer on the blower shaft. (CAUTION: The blower nut is a left- handed thread!) Remove the fan from the shaft. Press down the hooked end of the clamps and remove them. Disconnect and remove the motor. DLEX8388WM Page 61 STEAM DRYER... -
Page 64: Exploded Views
TRAINING MANUAL DLEX8377WM EXPLODED VIEW (Control Panel and Top Plate Assembly) DLEX8388WM Page 62 STEAM DRYER... - Page 65 TRAINING MANUAL DLEX8377WM EXPLODED VIEW (Panel Drawer Assembly and Guide Assembly) DLEX8388WM Page 63 STEAM DRYER...
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Page 66: Exploded View
TRAINING MANUAL DLEX8377WM EXPLODED VIEW (Cabinet and Door Assembly) DLEX8388WM Page 64 STEAM DRYER... - Page 67 TRAINING MANUAL DLEX8377WM EXPLODED VIEW (Drum and Motor – Electric Model) DLEX8388WM Page 65 STEAM DRYER...
- Page 68 TRAINING MANUAL DLEX8377WM EXPLODED VIEW (Burner and Related Parts – Gas Model) DLEX8388WM Page 66 STEAM DRYER...
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Page 69: Parts List
Bracket, Base, Rear Leg (2 per Dryer) A525 4810EL3009A Bracket, Base, Left Front (1 per Dryer) A530 4810EL3009B Bracket, Base, Right Front (1 per Dryer) A540 4778EL3001A Leg (4 per Dryer) A560 3550EL3007A Cover, Guide (Electric Dryer Only) DLEX8388WM Page 67 STEAM DRYER... - Page 70 Motor Assembly, DC, Pump K504 MEJ38393201 Hose, Tank to Pump K505 MEJ38393101 Hose, Pump to Generator K506 MEJ38393301 Hose, Generator to Drum K507 EAD39301901 Harness, Multi K508 4861FR3068A Clamp K510 5835EL1002A Casing Assembly (Blower Wheel) DLEX8388WM Page 68 STEAM DRYER...
- Page 71 M171 4948EL4002B Orifice, Propane M180 4932EL4001A Connector, Mechanical, Pipe M181 4036EL3002A Seal M190 5201EL2001A Pipe Assembly M210 3016EL1001A Funnel M220 6931EL3004B Thermostat Assembly M230 6931EL3003C Thermostat Assembly M240 6501EL3001A Sensor Assembly M250 4980EL3001A Supporter, Holder DLEX8388WM Page 69 STEAM DRYER...
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Page 72: Supplementary Materials
Manufactured January 2008 Newer Style With Barcode New Serial Code (ETA Mid 2008) 12345 KR 406 YP 000002 + Options Sequential number Internal code Year and month of production (YMM) Production site (2 Letters) Model ID DLEX8388WM Page 70 STEAM DRYER... -
Page 73: Ohm's And Watt's Laws (Chart And Formulae)
I R • E = VOLTS R = OHMS Ohms = Volts / Amperes Volts = Ohms = Volts / Watts Volts = Watts / Amperes Ohms = Watts / Amperes Volts = Amperes x Ohms DLEX8388WM Page 71 STEAM DRYER... -
Page 74: Temperature Conversion (Chart And Formulae)
TRAINING MANUAL DLEX8377WM CONVERSION INFORMATION FORMULAE °F = (9/5) °C + 32 °C = (5/9) x (°F – 32) DLEX8388WM Page 72 STEAM DRYER... -
Page 75: Service Bulletins
TRAINING MANUAL DLEX8377WM SERVICE BULLETINS DLEX8388WM Page 73 STEAM DRYER... - Page 76 TRAINING MANUAL DLEX8377WM DLEX8388WM Page 74 STEAM DRYER...
- Page 77 TRAINING MANUAL DLEX8377WM DLEX8388WM Page 75 STEAM DRYER...
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- Page 86 Steam Dryer - Fall 2008...