LG WM3900HWA Error Codes
Washing Machine — 5 error codes
Severity
Difficulty
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Showing 5 of 5 error codes
LE
High
Motor lock error — drum motor stalled or overloaded
15–25 min6 stepsSemi-DIY
tE
High
Thermistor error — water temperature sensor malfunction detected
5–10 min (diagnosis only)5 stepsTechnician
OE
Medium
Drain error — washer unable to pump out water after cycle
20–35 min6 stepsDIY
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dE
Medium
Door error — washer cannot confirm door is securely closed
5–15 min6 stepsDIY
UE
Low
Unbalanced load — drum stopped due to uneven laundry weight
5–10 min6 stepsDIY