All Answers

Mike, I sent you two video links below on a transmission drive coupling. I am 95% sure this is your issue and the part is $18.00. Save youself from buying a new unit and watch the two videos below and if your coupling is busted please order the part in this link or call our parts at 1-800-830-5465 to ship it same day. Matt Ace technician http://www.savemoreonparts.com/285753a-direct-drive-motor-coupling.html

Hope this can help you….If you need any parts call our parts department at 1-800-830-5465 or order on line at http://www.savemoreonparts.com
Her is a link to 29 repair videos for the Samsung refrigerator … https://www.appliancevideo.com/appliances/samsung-rf263teaesr-refrigerator/
① Energy Saver Key + Fridge Key are pressed simultaneously for
8 seconds, (displays are all off)
It will be changed to the test mode (manual operation) by pressing any key
1-1) If any key is pressed once in test mode, blinks “FF” on the display and it indicates the refrigerator has
entered the manual operation. At this moment, buzzer beeps as an alarm.
1-2) If any key is pressed once at the manual operation1 status, OF-r will be displayed.
FF and OF-r means manual operation 1 and 2 separately. These 2 functions operate with same RPM of
COMP.
1-3) If manual operation is selected, compressor will run at once without 7 minutes delay in any mode.
If the refrigerator is on the defrost cycle at the moment, defrost will be finished and manual operation will
begin.
(Be careful if manual operation get started at the moment of compressor off, over load could be occurred)
1-4) If manual operation works, compressor & f-fan operate continuously for 24 hours and fresh food
compartment will be controlled by the setting temperature.
1-5) When the manual operation runs, setting temperature will be selected automatically as below: freezer
compartment -8°F(-22°C), fresh food compartment 34°F(1°C).
1-6) During manual operation, Freezer Key & Power Cool function will not be work.
If a function is selected, the power function icon of the selected function will be off automatically after 10
seconds.
1-7) Manual operation can be canceled by removing power from the unit, then resupplying power.
1-8) Alarm(0.25 sec ON/ 0.75 sec OFF) will beep continuously until manual operation is completed and there is
no function to make the sound stop.
Compulsion working 1 : 3600RPM Compulsion working : 3600RPM
1) Manual operation function
①
①
4-1) Function for failure diagnosis
2-1) When you press any key one more time at Fridge off Forced Operation [OF r], rd lights up on the Display
Panel. At this time, the Forcd Operation stops immediately and R-Defrost will be performed at the same
time.
2-2) When you press any key one more time at Forced R-Defrost [rd], Fd lights up on the Display Panel. At this
time, FR-Defrost will be performed at the same time.
2-3) At this time, it will send out “Beep” sound for 2 seconds and then it will perform Forced F/R Defrost while
sending out “0.5 sec On and 0.5 sec Off” sound.
2) Forced Defrost
3-1) During the simultaneous defrosting of fresh food and freezer compartments, if the display panel change to
the test mode and test button is pressed one more time, defrosting of fresh food and freezer
compartments will be canceled and the unit will return to the normal operation.
Or, all test functions will be canceled by turning main power ON and OFF.
3) Test cancel mode
1-1) If there is no answer for 10 seconds after the panel micom received the requirement of communication,
“Pc – Er” display on the panel PCB will be ON/OFF alternately until the communication error is canceled.
(0.5 sec ALL ON, 0.5 sec ALL OFF alternately)
1-2) “Pc – Er” display on the Pantry Room Display will be ON/OFF alternately until the communication error is
canceled. (0.5 sec ALL ON, 1.5 sec ALL OFF alternately)
1) Display function when Panel ⇀ MAIN MICOM communication has error
2-1) ”OP – Er” code is repeatedly ON/OFF until Option error settles down.
4-1-3. Self-diagnostic function
1-1) Micom operates self-diagnostic function to check the temperature sensor condition within 1 second when
the refrigerator turned On initially.
1-2) If bad sensor is detected by the self-diagnostic function, the applicable display LED will blink for 0.5 sec.
At this moment, there is no beep sound.(Refer to self-diagnostic CHECK LIST)
1-3) Self-diagnostic button is recognized only when the error is displayed by the bad sensor. Display does not
operate normally but temperature control will be controlled by the emergency operation.
1-4) When the error is detected by self-diagnosis, the error can be canceled automatically if all troubled
sensors are corrected or Self-diagnostic function key (Energy Saver Key + Lighting Key ) are pressed
simultaneously for 8 seconds.
(Return to normal display mode)
② If Energy Saver Key + Lighting Key are pressed simultaneously
for 8 seconds, the error mode by self-diagnosis will be canceled
2-1) If Energy Saver Key + Lighting Key are pressed simultaneously for 6 seconds during normal operation, the
temperature setting display will operate for 2 seconds (ON/OFF 0.5sec each).
If Energy Saver Key + Lighting Key are pressed simultaneously for 8 seconds (including above 2 seconds),
self-diagnostic function will be selected.
2-2) At this moment, self-diagnostic function will be returned with buzzer sound ‘ding-dong’.
If there is an error, display of error will be operated for 30 seconds and then return to normal condition
whether problem is corrected or not.
(Refer to self-diagnosis CHECK LIST)
2-3) Input by button is not accepted during self-diagnostic function

FZ-Sensor Error
Display error : separation of sensor
housing part, contact error, disconnection,
short circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65°C) or less
than -58℉(-50°C)

When measuring the voltage between the Main
PCB CN30-“4” ↔ CN76-“1”, it should read
between 4.5V~1.0V.
FF-Sensor Error
When measuring the voltage between the Main
PCB CN30-“5” ↔ CN76-“1”, it should read
between 4.5V~1.0V.
FZ-DEF-Sensor
Error
The voltage of MAIN PCB CN30- “5”↔ N76-”1”:
shall be between 4.5V~1.0V
FF-DEF-Sensor
Error
When measuring the voltage between the Main
PCB CN30-“8” ↔ CN76-“1”, it should read
between 4.5V~1.0V.
Ambient-Sensor
Error
The voltage of MAIN PCB CN78- “8”↔ CN78-”
12”: shall be between 4.5V~1.0V
PANTRY-Sensor
Error
The voltage of MAIN PCB CN78- “9”↔ CN76-”
1”: shall be between 4.5V~1.0V
Ice Maker(F) Sensor
Error
Display error : separation of sensor
housing part, contact error, disconnection,
short circuit Display error of detecting
temperature of sensor: more than 149℉
(+65°C) or less than -58℉(-50°C)
The Voltage of MAIN PCB CN90 #8#9: Shall
be between 4.5v ~ 1.0v
Humidity-Sensor
Error
Separation of sensor housing part,
contact error, disconnection, short circuit
When measuring the voltage between the Main
PCB CN30-“3” ↔ CN76-“1”, it should read
between 4.5V~1.0V.
Ice Maker(FF) Sensor
Error
Display error : separation of sensor
housing part, contact error, disconnection,
short circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65°C) or less
than -58℉(-50°C)
The voltage of MAIN PCB CN90- “1”↔ CN90-”
7”: shall be between 4.5V~1.0V
Ice Room Sensor
Error
When measuring the voltage between the Main
PCB CN78-“10” ↔ CN78-“12”, it should read
between 4.5V~1.0V.
FZ-FAN Error
Display error during operation of
applicable fan motor : Feed back signal
line contact error, motor wire separation,
motor error
The voltage of MAIN PCB CN76- “3”(Yellow) ↔
CN76-”1”(Gray): shall be between 7V~12V
FF-FAN Error
Display error during operation of
applicable fan motor : Feed back signal
line contact error, motor wire separation,
motor error
The voltage of MAIN PCB CN76- “4”(Orange)
↔ CN76-”1”(Gray): shall be between 7V~12V
C-FAN Error
Display error during operation of
applicable fan motor : Feed back signal
line contact error, motor wire separation,
motor error
The voltage of MAIN PCB CN76- “5”(Sky-blue)
↔ CN76-”1”(Gray): shall be between 7V~12V
FZ-DEF Error
Separation of freezer compartment
defrost heater housing part, contact
error, disconnection, short circuit or
temperature fuse error. Display error :
the defrosting does not finish though
freezer compartment defrost is heating
continuously for more than 80 minutes.
After separating MAIN PCB CN70 wire from
PCB, resistance value between CN70 Brown
↔ CN70 Gray shall be 63(230) ohm ±
7%.(Resistance value is varied by input power)
0 ohm : heater short, ∞ ohm : wire/bimetal
open (Must power off)
FF-DEF Error
Separation of fresh food compartment
defrost heater housing part, contact
error, disconnection, short circuit or
temperature fuse error. Display error :
the defrosting does not finish though
fresh food compartment defrost is heating
continuously for more than 80 minutes.
After separating MAIN PCB CN70 wire from
PCB, resistance value between CN70 White
↔ CN70 Gray shall be 120(440) ohm±
7%.(Resistanc e value is varied by input power)
0 ohm : heater short, ∞ ohm : wire/bimetal
open (Must power off)
Ice Maker(FZ)
Function Error
When the Freezer Ice Maker error occurs
more than 3 times, the error will be
displayed.
After replacing the Ice Maker, check if it
operates normal.
55
troubleshooting
※ R Self-diagnostics check list
LED

Flex Zone-Damper-
Heater Error”
Display error when open error is detected
by damper heater : separation of Damper
Heater housing part, contact error,
disconnection, short circuit.
After separating MAIN PCB CN77 wire from
PCB, resistance value between Black ↔ Brown
wire shall be 135 ohm± 7%.
0 ohm : heater short, ∞ Ohm : wire / bimetal
Open.
FZ-Ice Pipe Heater
Error
The error occurs when there is a wire
connector slip-out of the Water Supply
Pipe Heater, a contact error or a
breakage in the wiring.
When measuring the resistance of the Main
PCB CN79 Yellow-Pink wires, it should be
within 102Ω ±7%.
0Ω : heater short, ∞Ω : Check for Wire Open
or Connector Slip-out
Ice Maker(FF)
Function Error
Display error when open error is detected
by Heater : separation of Ice Pipe Heater
housing part, contact error, disconnection,
short circuit.
After changing the Ice Maker(R), plug the
refrigerator power code again, and check the
operation.
Ice Room-
FAN Error
Display error during operation of
applicable fan motor : Feed back signal
line contact error rnotor wire separation
motor error.
When measuring the voltage between the
Main PCB CN76-“5” ↔ CN76-“1”, it should read
between 7.0V~12V.
Panel ↔ Main
Communication Error
Display pc – Er in the panel with alarm :
MICOM MAIN ↔ PANEL communication
error.
Actually, If there is not a problem, it is desirable
to replace Main and Panel PCB With the
oscilloscope after a cable problem confirming.
FF Ice Duct Heater
Error
The Error will be displayed when the Ice
Duct Heater is detected as being open
due to the followings.
– Ice Maker Duct Heater Connector Slip-
Out, Contact Defect or Wire-Breakage
The resistance between CN79 ORG and CN51
BRN on the Main PCB shall be within 135Ω ±
7%. And, when the resistance reads 0Ω or ∞
Ω, check the followings.
0Ω : Heater Short
∞Ω : Wire-Breakage or Wire Slip-Out
FF Ice Bucket Heater
Error
The Error will be displayed when the Ice
Bucket Heater is detected as being open
due to the followings.
Ice Bucket Heater Connector Slip-Out,
Contact Defect or Wire-Breakage.
The resistance between CN79 ORG and BRN
on the Main PCB shall be within 135Ω ±7%.
And, when the resistance reads 0Ω or ∞Ω,
check the followings.
0Ω : Heater Short
∞Ω : Wire-Breakage or Wire Slip-Out
Comp starting Failure
Error
When the Compressor fails starting Check if there is a short between compressor
terminals. Check IPM Voltage [Under 13.5V]
Check if there is a short between IPM Pins
[#1~33]
IPM Fanlt Error When there is a IPM Fault error Check the Compressor and the Cycle
Comp Abnormal
current Detection
Error
When ther is abnormal crrunt detected at
the Compressor
Check the Compressor connections
Check the voltage of Resistance of R308
[0.09Ohm] Check the Compressor and the
Cycle
Motor Locked Over
RPM Error
When there is a Compressor restriction
error
Check the voltage of Resistance of R308
[Short/Open] Check the voltage of both of
C103 terminals [Unstable Voltage] Check the
Compressor and the Cycle
Comp under voltage
Error
When there is a low voltage error
Check the voltage of Resistance of R513 [Short/
Open]
Comp over voltage
Eroor
When there is a over voltage error
Check the voltage of Resistance of R501, R505,
R509 [Short/Open]
F R

See repair video links that will help … https://www.appliancevideo.com/appliances/lg-dle1001w-dryer/
Hope this helps ,
Error Code
• Temperature sensor failure • Turn off the dryer and call for
service.
tE
• Humidity Sensor failure. • Turn off the dryer and call for
service.
HS
• House fuse is blown, circuit breaker has
tripped, or power outage has occurred.
• Check the power supply or the
connection of power cord to the
terminal block. Refer to the Connecting
Electric Dryers section of this manual
for complete instructions.
PS , PF or nP
Possible Causes Solutions
Installation test (Exhaust check) (cont.)
• Electric dryer power cord is not
connected correctly, or house power
supply is incorrect.
Check the Error Code before you call for service
• Reset circuit breaker or replace fuse.
Do not increase the fuse capacity.
If the problem is a circuit overload,
have it corrected by a qualified

ACTIVATING THE DIAGNOSTIC TEST MODE
1. UNIT must be in standby (unit plugged in, display off)
2. Press POWER while pressing MORE TIME and LESS TIME simultaneously.
3. Press START/PAUSE button to advance through diagnostics.
To check pump operation:
At the fourth press of the test mode, if the AD value of the pump is higher than 10 on the display, the pump is normal.
If it is lower than 10, E5 error will be displayed.
1.This TEST should be used for Factory test /Service test. Do not use this DIAGNOSTIC TEST other than specified.
2.Activating the Heater manually with the Door open may trip the Thermostat attached to the Heater, therefore do not
activate it manually. (Do not press the door switch to operate the heater while the door is open )
Pressing the
START/PAUSE
None
Standard
Thermistor open
Thermistor shorted
tE
Power off
OO
Motor runs
Displays Moisture Sensor Operation
If moisture sensor is contacted with
damp cloth. The display number is
below180 in normal condition
255 = Low
moisture
30 = High
moisture
1HE(Elec. Type)
1H9(Gas Type)
d-
UDISPLAY
PGM
MAIN PGM
Current Temp.
(5~70)
Current Temp.
(5~70)
Electric control
&
Temperature sensor
ELECTRIC TYPE
Motor+Heater1(2700W)
GAS TYPE
Motor
ELECTRIC TYPE
Motor+Heater1+Heater2
(5400W)
GAS TYPE
Motor+Gas valve
Once Motor+Controller
Motor, Heater off
Loads off, Controller off
Twice
3 times
4 times
5 times
CHECKING
ACTION DISPLAY CHECKPOINT
ELECTRIC TYPE Heater 1 is
energized – 2700 W
GAS TYPE is not opened
(Temperature in the drum is
displayed in degrees C.)
ELECTRIC TYPE: Heater 1 and
heater 2 are energized – 5400 W
GAS TYPE: Gas valve is energized
(Temperature in the drum is
displayed in degrees C.)

4-6. TROUBLESHOOTING WITH ERROR CODE
31
ERROR ERROR DECISION
BASIS
CAUSE FOR ERROR
OCCURRENCE REMEDY
WATER
SUPPLY
DRAINAGE
UNBALANCE
LID
OPEN
· WATER LEVEL
dose not rise to
the set level in within
30 minutes.
NO INLET
lamp blinks
· Water is not
completely drained
within 12 minutes.
· Laundry
unbalance during
spin.
· LID is opened in
the course of
intermittent spin,
normal spin or
processing
reservation.
· Water faucet is closed?
· Water supply is interrupted.
· Inlet valve is clogged with
dirts.
· Connector has bad contact
to the inlet valve.
· RED 6-pin connector has
a bad connection at the main
board.
· Is the drain hose located
properly?
· Drain hose is folded or
clogged due to freeze or dirt.
· Defective drain pump or the
WHITE 6-pin connector to the
main board has a bad
connection.
· Laundry in the INNER TUB
is filled unevenly.
· Washer is tilted.
· Lid is opened during
intermittent spin or normal
spin?
· Lid is opened while
processing reservation?
· Check the connections to the lid
switch and at the WHITE 6-pin
connector at the main board.
·O pen water faucet.
Wait until water supply is
resumed.
· Clean or replace filter.
· Correct the connector
contact.
· Same as above.
· Drain hose properly positioned
at 0.9 ~ 1.2 m (36 ~ 48 inches)
above the floor.
· Make sure the drain hose is not
plugged with a foreign object.
· Check drain pump motor
contact. Replace the pump if
necessary.
· Load the washer as evenly as
possible.
· Adjust the leg.
· Close the lid.
· Close the lid.
· Check the connections.
· If the connection is good, check
the lead wire and replace it if
necessary.
32
ERROR ERROR DECISION
BASIS
CAUSE FOR ERROR
OCCURRENCE REMEDY
PRESSURE
SENSOR
OVER
FLOW
ERROR
MOTOR
ERROR
LID
LOCK
ERROR
· Pressure switch has a
bad connection or the
switch has failed.
· Check the connections at the
pressure switch and at the
BLUE 6-pin connector at the
main board.
· Check the pressure sensor
(21~23Ω ±10%) and
connection
· Check the valves to be sure
there is no input leakage. Then
check the drain hose and make
sure the drain pipe is between
0.9 ~ 1.2 m (36 and 48 inches)
above the floor.
· Check for blockages and leaks
in the air hose between the tub
and the pressure switch.
· Check and repair any air
leakages at the air hose
connector on the outer tub and
at any connecting parts.
· Check the connections at the hall
sensor and at the BLUE
6-pin connector on the main board.
· Check the connections at the
stator and at the yellow 3-pin or
BLUE 6-pin connector on the
main board. Test the stator to
determine it is not defective.
· Test hall sensor to determine it
is not defective.
· Turn the drum to verify the
bearings are not locked.
· Check the lid lock SW trying
locking
· Check the balance of the lid
· Reseat the connector.
· Replace the switch.
· Install the drain hose between
0.9 ~ 1.2 m (36 and 48 inches)
above the floor.
· Replace pressure sensor
switch
· Remove the foreign objects
in pressure sensor switch
air hose.
· Replace the stator if necessary.
· Replace the hall sensor if
necessary.
· Replace the bearings if
necessary.
· If trying, replace the Lid lock
SW or not trying replace the
Main PCB
· Replace the lid or se the
balance
33
ERROR ERROR DECISION
BASIS
CAUSE FOR ERROR
OCCURRENCE REMEDY
THERMISTOR
AC, MOTOR
(CLUTCH
MOTOR)
· Thermistor has a bad
connection or failed
· AC motor has a bad
connection or failed
· Clutching is failed
-. Coupling get out of
gear.
-.Coupling is broken.
· Check the connections at the
Thermistor and at the WHITE
3-pin connector at the main
board
· Test thermistor to determine it is
not detective
· Check the connections at the
AC motor and at the WHITE
6-pin connector at the main
board
· Test AC motor or coupling to
determine it is not detective
· Reseat the connector.
· Replace the thermistor if
necessary.
·Reseat the connector.
· Replace the AC motor if
necessary.
· Replace

From your description is sounds like you may need to replace the main power board on the unit. The main board sits behind the kick panel on the lower front of the unit. You will need a Phillips head screwdriver and a 1/4 inch nut driver to replace the board.
When you say it comes on for a few seconds and then shuts off, what is turning on and off? The compressor or the power to the whole unit? If it is just the compressor you are talking about you may have a problem with the overload relay for the compressor. If the unit is loosing power it most likely will be that board.

The attached video is not your exact model but the repair should be very similar.

Good Luck!

mervyn, I have provided a video link for you below. email us with any other questions after viewing. Matt Ace technician

Here is a video of the problem with this LG dryer energizing gas valve without first powering hot surface igniter. Just a heads up, if you EVER have a customer call claiming they smell a strong gas odor from time to time, I would always replace the main control board. You may or may not catch this problem in action, but I would strongly recommend doing the above.

Fast forward to the 2 minute mark to the point of the failure

http://www.youtube.com/watch?v=mJqzwdBavfw

The only thing that would cause a wash time that long would be from the water was not reaching proper temp. Did you do the key dance between hi-temp wash & heated dry 2 times to put into diagnostics? Is the heater working? What temp. is the water coming into the dishwasher? Is water filling to proper level, is it circulating properly (check for clogged chopper asy)

No Problem What To Do
The igniter does not glow
If the igniter does not heat up, remove power and using an
ohmmeter, check the following:
• Open flame sensor
• Open igniter
• Shorted booster coil
• Open wiring
• Bad motor switch ( Neutral supply)
• No power from control ( L1 supply)

Igniter glows – No gas ignition
If the igniter heats up but the main burner flame is not ignited,
remove power and using an ohmmeter, check the following:
• Open secondary coil
• Open holding coil
• Open wire harness
• Stuck flame sensor (Stuck closed)

The gas is ignited but the flame goes out. If a normal ignition takes place and after a short while the flame goes
out, check for the following:
• Radiant sensor contacts opening prematurely.
• Weak gas valve coil may open when stressed by higher Temps.
• Weak Hi-Limit
• Poor venting
• Bad drum seals

Improper drying, clothes wrinkled, Rough texture long, dry time
• Lint filter is not clean.
• Restriction in exhaust.
• Outside exhaust hood damper door stuck closed.
• Exhaust too long, too many elbows, flex ductwork installed.
• Poor intake air available for the dryer.
• Incorrect tumbler speed. Tumbler belt slipping.
• Blower impeller bound; check for foreign material in blower area.
• Customer overloading dryer.
• Check clothing labels for fabric content and cycle selected.
• Clothes too wet due to insufficient spin out by washer.

Noisy and/Or
Vibration
• Thumping Check for loose tumbler baffle, rear tumbler roller(s)
worn or misaligned, out-of-round tumbler or high weld seam on
tumbler.
• Ticking Check for loose wire harness or object caught in blower
wheel area.
• Scraping Check for front or rear bulkhead felt seal out of
position or worn tumbler front bearings.
• Roaring Check for blower wheel rubbing on blower housing or
bad motor bearings.
• Popping or squealing sound. Check for a sticky or frayed belt.

Continuous Run Mode:
1. Press Wrinkle Prevent + Dry Level for 7 sec during Power On State (Normal User Mode) .
2. Once in Continuous Run Mode, display “CC” for 1 sec and the number of Cycle for 1 sec and
the remaining time for 1 sec in turns.
3. The previous cycle will restart during Continuous Run Mode until the mode is deactivated.
4. During Continuous Run Mode, press Wrinkle Prevent + Dry Level for 7 seconds to return to
normal user mode.
Service Mode
Definition of Service Mode
– Dryer must be on before Service Mode can be entered.
– Upon entry into Service Mode, the Sensor Bar Touch Data will be shown (Default Service
Mode).
How to Enter:
– To enter Service Mode, press Wrinkle Prevent and Temp Keys for 3 seconds, until it sends out a
beeping sound.
– If pressing Wrinkle Prevent + Temp Keys for 3 seconds in Service mode , it will return Normal
mode.
– Even though entering Service mode, the operating cycle will not be influenced.
Sensor Bar Touch Data Mode
Definition of Sensor Bar Touch Data Mode:
– This action will put the dryer into sensor bar touch data mode
– Dryer will display Sensor Bar data. This mode is default mode of entering service mode
How to Enter:
– With Power On pressing Wrinkle Prevent and Temp Keys for 3 seconds
Cycle Count Mode
Definition of Cycle Count Mode:
– This mode is to bring up the total number of cycles that User have carried out.
How to Enter:
– To enter cycle count mode press the Wrinkle Prevent in Service Mode.
Software Version Mode
Definition of Software Version Mode:
– It is to retrieve its software version
How to Enter:
– At Service Mode, press Temp until it sends out a beeping sound
ex) In case of “U0 05”, U0 means major version “U0” 05 means minor version “05”
– If press Temp key In Software Version Mode, it will return Service Mode.
ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before
servicing, unless testing requires power.

If you need any parts call our parts department at 1-800-830-5465 or order on line at http://www.savemoreonparts.com ERROR ITEMS AND DIAGNOSTIC CODES
See link for 15 repair videos on Samsung dryer…. https://www.appliancevideo.com/appliances/samsung-dv422ewhdwr-dryer/
An occurrence of an Error will make a sound of error melody for 5sec and continuously show one
of the Error Displays from the following errors.
Error Display Trigger Action Taken

tE The Thermistor resistance is
very low or high.
Check for:
– Clogged lint screen.
– Restricted vent system.
– Check Thermistor resistance.

HE Invalid heating Temp in running
the dryer
Check for:
– Restricted vent system.
– Check Thermistor resistance.

dE Running the dryer with door
open
Check for:
– Close the door, and run the dryer
– Loose or open wire terminals in Door
Sense circuit.

dF Invalid door state for more than
256 milliseconds
Check for:
– Loose or open wire terminals in Door
Sense circuit.

bE
(DV422, DV400)
bE2
Invalid state of key circuit short
for 30 secs
Check for:
– Display PCB key circuit short or not

FE Invalid power source Frequency
Check for:
– Not using regular power source frequency
– Invalid power frequency sense circuit

AE Electronic Control Problem
(Communication Error)
Check for:
– Check PCB and Wire harness.
– Replace PCB.

Et Invalid state of EEPROM
communication
Check for :
– PCB with Eeprom circuit.

2E Electronic control problam
(Over Voltage Error)
Check for:
– Check PCB and Wire harness.
– Check Power supply
– Replace PCB
ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before
servicing, unless testing requires power.

http://www.mcmelectronics.com/
They do have a direct connection with L-G and can get some technical information for us. Contact for L-G questions is Tammi.
Email is: sales@mcmelectronics.com

HI. It does sound like the drive block could be the problem. I have attached another videos for the drive block. Just like in the video check to see if the drive block is damaged. Check to see if the tabs on the spin tube are damaged as well and if so you will need to replace it. It does seem odd that this noise happened after the other repairs you have done, so if the drive block seems good I would go back and checkthe repairs you have done so far. A link for the drive block is attached if you need to purchase it.

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What was the original issue with your dryer? Not heating/ drying clothes? This is normal for the flame to cycle on and off. IT will do this through the whole cycle to maintain proper temp. 60 seconds is a good cycle time for the flame. If it was only staying on for a few seconds before turning off it would be a sign that the air flow is restricted. If you are getting heat in the beginning of the cycle and stops as the cycles goes on, then this would be a sign of bad gas coils. This is common. The gas coils will work at the beginning of the cycle and then the coils will open and fail until they cool down again. To check to see if your coils are bad you need to let the dryer run until it gets to the failed state. With bad gas coils you will see the igniter come on and then turn off with out a flame or ignition. If you see this, replace your gas coils. I have attached 2 videos to help you and a link to purchase the parts if needed.