DLEX4000B answers.
DLEX4000B answer library with reviewed questions, direct answers, source citations, evidence sections, source manuals, troubleshooting, error codes, parts, and workflow links.
Exact-model answer source proof
Answers stay tied to the exact model, reviewed source manuals, cited evidence sections, JSON catalogs, and next support actions.
- 69 records
Reviewed answers
Reviewed Q&A records attached to DLEX4000B.
- 0 records
Answer candidates
Draft or candidate answers kept out of public search until reviewed.
- 69 records
Source citations
Answers with visible manual citation labels.
- 23 records
Evidence sections
Source manual sections cited by the answer set.
- 1 record
Source manuals
Reviewed source manuals for the exact model.
- 4 records
Support handoffs
Related guides, codes, and part references connected to this model.
Answer topics
- 21 answers
Installation
Can I extend the leveling feet as far as needed? · How do I know if the dryer is level? · How do I know if the exhaust system is okay after the installation test?
- 20 answers
Operation
Can I change settings after choosing a cycle? · Can I change the drying time on Manual Dry cycles? · Can I overload the dryer?
- 13 answers
Safety
Can I connect this dryer to a 120-volt outlet? · Can I install this dryer in a closet with a door? · Can I run the dryer without the lint filter?
- 6 answers
Other
How close should the phone be during audible diagnosis? · How do I contact LG for warranty service? · How do I start Smart Diagnosis on this dryer?
- 5 answers
Warranty
Do these pages include the warranty terms? · What accessories come with the dryer? · What do I need to get warranty service?
- 2 answers
Maintenance
How often should I clean the lint filter? · What should I do if the lint filter is clogged with fabric softener?
- 2 answers
Troubleshooting
What do d8O, dGO, and dGs mean? · Why does my dryer take so long to dry clothes?
Reviewed answers
Installation
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Can I extend the leveling feet as far as needed?
No. Adjust the leveling feet only as far as necessary. Extending them more than necessary may cause the appliance to vibrate.
Source citation: LG DLEX4000B Owner's Manual, extracted page 16
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How do I know if the dryer is level?
Place a level across the top of the dryer. The appliance should not rock from corner to corner, and all four leveling feet must rest solidly on the floor.
Source citation: LG DLEX4000B Owner's Manual, extracted page 16
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How do I know if the exhaust system is okay after the installation test?
If the Flow SenseTM LED does not turn on when the cycle ends, the exhaust system is adequate.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 28-30
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How do I turn the drum light on during a cycle?
Press and hold the Wrinkle Care button for 3 seconds during the cycle. The drum light turns off automatically after 4 minutes.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 39-42
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How long is the warranty on this dryer?
The warranty is 1 year for parts and labor from the original retail purchase date, and 3 years for the dryer drum for parts only. Customer pays labor or in-home service for the drum after the first year.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 56-60
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How much space does the dryer need in a closet or recessed area?
The manual recommends 1 in. (25 mm) front clearance, 5 in. (127 mm) back clearance, 1 in. (25 mm) side clearance, and 18 in. (457 mm) clearance to an overhead cabinet or shelf. The cabinet opening height is listed as 39 in. (990 mm), and the width is 27 in. (686 mm).
Source citation: LG DLEX4000B Owner's Manual, extracted pages 11-15
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How should I check for gas leaks?
Do not use an open flame. Use a noncorrosive leak detection fluid.
Source citation: LG DLEX4000B Owner's Manual, extracted page 21
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How tight should the hose connections be?
Tighten the hoses by hand, then use pliers for another 2/3 turn. Do not overtighten.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 26-27
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Is a 3-wire connection allowed in new construction?
No. The manual says a 3-wire connection is not permitted on new construction after January 1, 1996.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 22-25
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What do error codes tE1 through tE7 mean?
They mean there is a temperature sensor failure. Turn off the appliance and call for service.
Source citation: LG DLEX4000B Owner's Manual, extracted page 50
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What does it mean if the Flow SenseTM LED turns on during the test?
It means the exhaust system is severely restricted and should be checked immediately, because performance will be poor.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 28-30
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What does the Clean Filter indicator mean?
It lights at the beginning of the cycle to remind you to check the lint filter, and it turns off when you press Start/Pause.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 34-35
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What gas pressure limits apply to this dryer?
Gas pressure must not exceed 10.5-inch water column for natural gas or 13-inch water column for LP gas.
Source citation: LG DLEX4000B Owner's Manual, extracted page 21
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What happens if the lint filter is loose or missing?
Running the dryer with a loose or missing lint filter will damage the dryer and the articles in it.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 31-33
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What should I check after setting the dryer in its final location?
Check that it is level front to back and side to side, and that all four leveling feet are in firm contact with the floor.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 28-30
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What should I check if the dryer shows Ps?
Ps means the power cord is connected incorrectly. Check the connection of the power cord to the terminal block.
Source citation: LG DLEX4000B Owner's Manual, extracted page 50
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What should I do if I am installing the dryer on the optional pedestal?
Use the leveling feet on the pedestal to level the appliance. The dryer’s leveling feet should be fully retracted.
Source citation: LG DLEX4000B Owner's Manual, extracted page 16
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What should I do if I find a leak?
Shut off the faucet, remove the hose, and check the rubber seal.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 26-27
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What wire size should I use for the power connection?
Use UL-listed 10 AWG minimum copper wire for the listed cord and direct-wire connections. If the branch circuit is over 15 ft. (4.5 m), the manual says to use UL-listed No.-8 AWG copper wire, or follow local codes.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 22-25
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Why does the dryer run but not heat?
Possible causes listed are a blown house fuse, a tripped circuit breaker, a power outage, the gas supply or dryer shutoff valves being off, or the Energy Saver option being selected. Make sure the gas shutoffs are fully open, and if using the Normal cycle, deselect Energy Saver.
Source citation: LG DLEX4000B Owner's Manual, extracted page 51
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Why won’t the dryer turn on?
The manual lists a blown house fuse, a tripped circuit breaker, or a power outage as possible causes. Reset the breaker or replace the fuse. Do not increase fuse capacity. If the problem is a circuit overload, have it corrected by a qualified electrician.
Source citation: LG DLEX4000B Owner's Manual, extracted page 51
Operation
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Can I change settings after choosing a cycle?
For Manual Dry cycles, the standard settings can be adjusted with the cycle modifier buttons any time before starting the cycle.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 34-35
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Can I change the drying time on Manual Dry cycles?
Yes. Manual Dry cycles let you choose a specific drying time, and you can change the actual time during the cycle by pressing More Time or Less Time.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 36-38
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Can I overload the dryer?
No. The manual says not to overload the dryer. Overloading reduces drying performance and energy efficiency, and clothes need room to tumble and dry properly.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 31-33
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Can I start the dryer remotely?
Yes. Put laundry in the drum, close the door, press Power, hold Remote Start for 3 seconds, then start a cycle from the LG ThinQ app.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 43-45
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Can TurboSteam and Energy Saver be used at the same time?
No. The manual says TurboSteam and Energy Saver cannot be used together.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 39-42
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How do I know if an option is not available for the cycle I selected?
If the option is not allowed for that cycle, the dryer chimes twice and the setting does not change. The option’s LED will not light up.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 39-42
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How do I select a dry cycle?
Turn the knob or press the button to select the desired cycle. When you select a dry cycle, the light for that cycle turns on.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 36-38
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How do I use audible diagnosis?
Turn on the appliance with the Power button, hold your phone’s mouthpiece in front of the Power button, press and hold Temp. for 3 seconds or longer, and keep the phone still until the tones finish and the diagnosis appears in the app.
Source citation: LG DLEX4000B Owner's Manual, extracted page 46
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Is it normal for the drum to stop turning during a Steam cycle?
Yes. The drum is turned off so the steam vapor stays in the drum, and it normally turns for about 2 seconds once a minute.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 54-55
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Is it normal for the dryer to feel cool at the start of a cycle?
Yes, if the Energy Saver option is selected. The manual says this option adds an air-dry section at the beginning of the cycle, so it is normal to feel no heat at first.
Source citation: LG DLEX4000B Owner's Manual, extracted page 51
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What does Sensor Dry do?
Sensor Dry cycles use LG’s dual sensor system to compare moisture in the clothes and in the air, then adjust drying time as needed. The dryer automatically sets the dryness level and temperature for the selected cycle.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 36-38
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What happens if I press the Power button during a cycle?
It cancels the cycle and any load settings are lost.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 34-35
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What should I do if clothes come out wrinkled?
Try a shorter drying time or a lower dry level setting, and remove items while they still have a slight amount of moisture. If clothes are left in the dryer after the cycle ends, use Wrinkle Care to tumble them briefly every few minutes for up to 3 hours.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 52-53
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What should I do if Steam Fresh™ does not remove all odors from clothing?
Fabrics with strong odors should be washed in a normal cycle.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 54-55
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When I press a button, why does my dryer beep and then nothing happens?
The Control Lock feature is turned on. Turn the dryer on and press and hold the button that has Control Lock on or under it for 3 seconds to turn it off.
Source citation: LG DLEX4000B Owner's Manual, extracted page 49
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Why are some clothes still damp after Sensor Dry?
The load may be too large or too small for the sensor to read correctly. Very large bulky items can also dry unevenly. Use Time Dry for very small loads, pause and rearrange bulky items if needed, or finish damp items with Time Dry after emptying the lint trap.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 52-53
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Why does my dryer start by itself every few minutes?
This is how the Wrinkle Care feature works. The dryer runs briefly every few minutes for up to 3 hours after the cycle finishes to help prevent wrinkles if you do not unload the dryer right away.
Source citation: LG DLEX4000B Owner's Manual, extracted page 49
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Why does my dryer take a different amount of time for similar loads?
Drying time can vary based on load size, fabric type, how wet the clothes are, and the condition of the lint filter. An unbalanced washer load can also leave clothes wetter and increase drying time.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 52-53
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Why don’t I see steam at the beginning of the cycle?
That is normal. Steam is released at different stages of the cycle depending on the option selected.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 54-55
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Why should I clean the lint filter before every load?
A clogged lint filter increases drying time. The filter should be cleaned and reinstalled firmly before starting the dryer.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 31-33
Safety
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Can I connect this dryer to a 120-volt outlet?
No. The manual says not to connect the appliance to a 110-, 115-, or 120-volt circuit.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 22-25
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Can I install this dryer in a closet with a door?
Yes, but the closet must have both upper and lower vent openings. The manual requires an upper opening of at least 48 sq. in. (310 cm²) no lower than 6 feet above the floor, and a lower opening of at least 24 sq. in. (155 cm²) no more than 1 foot above the floor.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 11-15
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Can I run the dryer without the lint filter?
No. The manual says never operate the appliance without the lint filter in place.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 47-48
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Can I use an old gas connector when installing this dryer?
No. The manual says to use only a new stainless steel flexible connector and warns not to use old connectors.
Source citation: LG DLEX4000B Owner's Manual, extracted page 21
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Can I use my old water hose?
No. The manual says to use a new water supply hose and not to reuse old hoses.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 26-27
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Can I use plastic duct or thin foil ducting for this dryer?
No. The manual says not to use plastic or thin foil ducts.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 17-20
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Can I use plastic venting for this dryer?
No. Do not install the dryer with flexible plastic venting materials. Use only rigid, semi-rigid, or flexible metal ducting as specified in the manual.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 3-7
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Can the dryer vent into an attic or crawl space?
No. Gas dryers must exhaust outdoors, and the manual says not to vent into enclosed or unventilated spaces such as an attic, wall, ceiling, crawl space, chimney, gas vent, or concealed space.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 17-20
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Does turning the controls to OFF disconnect power?
No. Turning the controls to OFF does not disconnect the appliance from the power supply. Disconnect power by unplugging it or switching off the house fuse or circuit breaker before cleaning or servicing.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 3-7
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How do I connect this dryer to the LG ThinQ app?
Use the QR code if your model has one, or install the LG ThinQ app from Google Play or the Apple App Store, sign in or create an LG account, then tap the add button in the app and follow the on-screen instructions to connect the appliance.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 43-45
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How long can the flexible metal duct be?
The total length of flexible metal duct must not exceed 8 ft. (2.4 m).
Source citation: LG DLEX4000B Owner's Manual, extracted pages 17-20
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What is required for garage installation?
The dryer must be placed at least 18 inches (45.7 cm) above the garage floor. The manual also says to check local code requirements because some areas restrict dryer installation in garages.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 11-15
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What should I do if I smell gas near the dryer?
Do not try to light any appliance, do not touch electrical switches, do not use a phone in the building, clear the area, call your gas supplier from a neighbor’s phone, and if you cannot reach them, call the fire department.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 3-7
Other
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How close should the phone be during audible diagnosis?
Hold the phone’s mouthpiece in front of the Power button at a maximum distance of 10 mm.
Source citation: LG DLEX4000B Owner's Manual, extracted page 46
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How do I contact LG for warranty service?
Call 1-800-243-0000, visit http://www.lg.com, or write to LG Electronics Customer Service, P.O. Box 240007, Huntsville, AL 35813, ATTN: CIC.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 56-60
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How do I start Smart Diagnosis on this dryer?
Open the LG ThinQ app, select Smart Diagnosis in the menu, and follow the instructions in the app.
Source citation: LG DLEX4000B Owner's Manual, extracted page 46
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What parts are shown on the back of the dryer?
The rear view shows the power cord for gas models, gas connection for gas models, exhaust duct outlet, terminal block access panel for electric models, and water inlet hose connection for steam models.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 8-10
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What parts are shown on the front of the dryer?
The front view shows the control panel, lint filters, leveling feet, and reversible door.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 8-10
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What password do I use during Wi-Fi setup?
Use the last 4 characters of the network name, repeated twice, with no spaces. The password is case sensitive and refers to the LG network name, not your home network.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 43-45
Warranty
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Do these pages include the warranty terms?
No. They only show that a Limited Warranty section exists for the USA; the actual warranty terms are not shown on these pages.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 1-2
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What accessories come with the dryer?
The included accessory listed on these pages is a Y connector.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 8-10
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What do I need to get warranty service?
You need proof of original retail purchase that shows the product model and purchase date.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 56-60
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What do these first pages of the manual tell me to do before using the dryer?
They tell you to read the owner’s manual thoroughly before operating the appliance and keep it handy for reference.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 1-2
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What model numbers does this manual apply to?
The manual applies to DLX400 and DLX408 models.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 1-2
Maintenance
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How often should I clean the lint filter?
Clean the lint from the filter after every cycle.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 47-48
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What should I do if the lint filter is clogged with fabric softener?
Wash the lint filter in warm, soapy water and allow it to dry thoroughly before reinstalling it.
Source citation: LG DLEX4000B Owner's Manual, extracted pages 47-48
Troubleshooting
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What do d8O, dGO, and dGs mean?
These codes mean the exhaust system is too long, has too many turns or restrictions, or the house exhaust system is blocked.
Source citation: LG DLEX4000B Owner's Manual, extracted page 50
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Why does my dryer take so long to dry clothes?
Poor airflow can increase drying time. A lint filter that is full of lint or clogged with fabric softener sheet residue can reduce airflow and make drying take much longer. The manual also refers you to the troubleshooting charts for more tips.
Source citation: LG DLEX4000B Owner's Manual, extracted page 49
Cited evidence sections
- warranty · LG DLEX4000B Owner's Manual, extracted pages 1-2
Scan to see the online manual. continued, pages 1-2
Online Manual Notice and What These Pages Tell You These first pages of the owner’s manual mainly serve as the starting point for the full manual. What the manual says - This is the OWNER'S MANUAL for an LG dryer. - The manual applies to mo
- safety · LG DLEX4000B Owner's Manual, extracted pages 3-7
Safety instructions and fire hazards
Safety Instructions and Fire Hazards Read all instructions before using the dryer. These safety rules are there to help prevent fire, explosion, electric shock, scalding, injury, and property damage. Key fire and explosion warnings - Do not
- other · LG DLEX4000B Owner's Manual, extracted pages 8-10
Product overview and features
Product overview and features This section explains the main parts of the dryer, the accessories shown in the manual, and the basic product specifications available on these pages. Product features The manual notes that the pictures in the
- installation · LG DLEX4000B Owner's Manual, extracted pages 11-15
Installation overview and site preparation
Installation overview and site preparation Before you install or move this dryer, read the installation instructions first. The manual lists these main tasks: - Choose the proper location. - Level the appliance. - Vent the appliance. - Conn
- installation · LG DLEX4000B Owner's Manual, extracted page 16
Leveling and door reversal
Leveling the Dryer Proper leveling is important for performance. The dryer must be level to help provide optimal drying performance. A perfectly level, solid floor helps minimize vibration, noise, and unwanted movement. Before you begin - W
- installation · LG DLEX4000B Owner's Manual, extracted pages 17-20
Vent kit installation and vent routing
Vent kit installation and vent routing This dryer is configured to vent to the rear, but it can also vent to the bottom or side. Before you begin - Wear long-sleeved gloves and safety glasses. - Use a heavy metal vent. - Do not use plastic
- installation · LG DLEX4000B Owner's Manual, extracted page 21
Gas dryer connection and gas supply requirements
Gas dryer connection and gas supply requirements Read this section before connecting the dryer to gas. Installation and service must be performed by a qualified installer, service agency, or the gas supplier. Important safety requirements -
- installation · LG DLEX4000B Owner's Manual, extracted pages 22-25
Electric dryer wiring and power cord connection
Electric dryer wiring and power cord connection This dryer must be connected correctly before use. The manual requires a qualified electrician to check that your home wiring and fuses are adequate for the appliance. Before you begin - The d
- installation · LG DLEX4000B Owner's Manual, extracted pages 26-27
Steam water inlet connection
Connecting the Steam Water Inlet Hose To use steam, the dryer must be connected to the cold water tap with a new water supply hose. Do not use old hoses. Before you begin: - Make sure you have a suitable cold water faucet. - Use only new ho
- installation · LG DLEX4000B Owner's Manual, extracted pages 28-30
Final installation checks and test run
Final installation checks and test run Before using the dryer normally, make three final checks: levelness, airflow, and the installation test. 1) Check that the dryer is level Once the dryer is in its final location, recheck it to make sur
- operation · LG DLEX4000B Owner's Manual, extracted pages 31-33
Before use and loading laundry
Before Use and Loading Laundry Read this first - To reduce the risk of fire, electric shock, or injury to persons, read the IMPORTANT SAFETY INSTRUCTIONS before operating the appliance. Basic operation sequence 1. Clean the lint filter. 2.
- operation · LG DLEX4000B Owner's Manual, extracted pages 34-35
Control panel basics
Control panel basics The control panel lets you turn the dryer on and off, choose a cycle, start or pause a cycle, select extra options, and read the display for time and status information. Main controls Power button - Press to turn the ap
- operation · LG DLEX4000B Owner's Manual, extracted pages 36-38
Dry cycles overview
Dry cycles overview This dryer offers Sensor Dry cycles, Steam cycles, Manual Dry cycles, and a Downloaded cycle. To choose a cycle, turn the knob or press the button for the desired cycle. When you select a dry cycle, the light for that cy
- operation · LG DLEX4000B Owner's Manual, extracted pages 39-42
Selectable options and cycle features
Selectable options and cycle features Your dryer includes cycle modifiers and extra options that let you adjust drying for different fabrics, load sizes, and convenience needs. Not every option works with every cycle. If you press a button
- other · LG DLEX4000B Owner's Manual, extracted pages 43-45
LG ThinQ smart features
LG ThinQ smart features The LG ThinQ app lets you communicate with the dryer using a smartphone. With the app, you can use several smart features, including downloaded cycles, settings, energy monitoring, remote control, push messages, and
- other · LG DLEX4000B Owner's Manual, extracted page 46
Smart Diagnosis
Smart Diagnosis Smart Diagnosis can be used with the LG ThinQ app to help identify appliance issues. Before you start - Open the LG ThinQ application. - Select Smart Diagnosis from the menu. - Follow the instructions shown in the app. Using
- maintenance · LG DLEX4000B Owner's Manual, extracted pages 47-48
Routine maintenance and lint filter care
Routine maintenance and lint filter care Keeping the lint filter and exterior clean helps the dryer run safely and efficiently. Follow these care steps regularly. Before you clean - Unplug the appliance before cleaning. - Do not use harsh c
- troubleshooting · LG DLEX4000B Owner's Manual, extracted page 49
Frequently asked questions
Frequently Asked Questions Why does my dryer beep when I press a button and then nothing happens? If the dryer beeps but does not start, the Control Lock feature is turned on. To turn Control Lock off, turn the dryer on and then press and h
Source manuals
- Owner's Manual · lg.com
LG DLEX4000B Owner's Manual
60 pages · source URL retained.