LG DLEX3900VDryer
Error Code dE
Door switch abnormal
Moderate
Address soon - your appliance may not work properly
Also displayed as: dE
What This Means
Door is not properly closed; Door Switch defective; Wiring to door switch broken
How to Fix
- 1
Check if door frame properly presses door switch knob.
- 2
Test door switch continuity.
- 3
Check harness connection to main board.
Other Error Codes for DLEX3900V
nC
NFC module open or shorted
nU
NFC module wrong/malfunctioning
tE2
Thermistor of blower housing - outlet thermistor open or shorted
PS
Power supply wire connection wrong or loose (Black-White-Red wires). Electric dryer only.
tE1
Thermistor of blower housing - outlet thermistor open or shorted
d90
Ductwork approximately 90% blocked
PF
Power failure - house fuse blown or circuit breaker tripped
nP
No power / power supply incorrect