LG Fault Diagnosis Guide
Price: $12.95
For LG Washer, Dryer and Dishwasher Owners
LG built its appliance reputation on the Inverter Direct Drive motor — a brushless design with no belt, no brushes, and a 10-year parts warranty on many models. It’s genuinely good engineering. But LG appliances have their own fault patterns, their own fault codes, and their own weak points, and those are different from every other brand.
This guide is a complete reference for LG washers, dryers, and dishwashers. It explains the fault code system, covers the faults owners experience most, and gives you the diagnostic path for each.
Common LG Problems
LG faults follow recognisable patterns:
Not draining (OE) — blocked pump filter or failed pump. The filter is behind a hatch at the bottom front and is the first thing to check.
Not spinning (LE, SE, CE) — hall sensor failure, motor control board fault, or stator problem. The hall sensor is the most common culprit.
Drum spider corrosion — like Samsung, LG front-loaders can develop drum spider failure on machines 5+ years old, particularly in hard water areas.
Dryer not heating (HE) — heating element or thermistor on vented and condenser models; sealed system fault on heat pump models.
Dishwasher drain faults (OE) — filter blockages and pump failures.
LG Fault Codes Explained
LG uses a consistent alphanumeric system:
OE — Drain fault
IE — Water inlet fault
UE — Unbalanced load
DE — Door lock fault
LE — Motor locked or overload
SE — Hall sensor fault
CE — Over-current fault
HE — Heating fault
TE — Temperature sensor fault
FE — Overfill fault
PE — Water level sensor fault
AE — PCB communication fault
The guide includes the full code table with meanings, causes, and diagnostic references.
Major Diagnostic Areas Covered
The Inverter Direct Drive system — hall sensor testing, stator testing, motor control board diagnosis
Drum spider and bearing inspection — identifying failure and assessing repair viability
Drain pump and filter maintenance
Door lock and interlock testing
Dryer heating circuit testing — element, thermal fuse, thermostats, thermistor
Dishwasher drain and cleaning faults
Model-specific notes for WM, WT, DLG, and LD series, including the 10-year motor warranty caveats
What the Complete Guide Covers
A full 25-page diagnostic reference covering washers, dryers, and dishwashers. Includes a symptom flowchart, complete fault code library, step-by-step multimeter testing, replacement procedures, a repair cost reference, model-specific notes, and consumer rights guidance for multiple regions.
Repair vs Replacement
LG appliances typically last 8 to 12 years. A $45 drain pump is always worth replacing. A $150 motor control board on a machine under 6 years old is worth replacing. The drum spider fault is the decision point — at $200 to $400 including labour, on a machine over 6 years old, replacement usually wins.
Note also that LG’s 10-year motor warranty covers the motor only. Hall sensors, control boards, and stators are not covered. Don’t assume a motor fault is a free repair.
Frequently Asked Questions
My LG washer shows OE. What should I check first?
The pump filter. It’s behind the small hatch at the bottom front of the machine. Open it with a tray underneath — water will drain out — and clean it thoroughly. This resolves OE in the majority of cases.
What does the SE code mean on my LG washer?
SE means hall sensor fault. The hall sensor monitors motor rotor position. When it fails, the motor won’t run or runs erratically. Replacement sensors cost $15 to $30.
Is the 10-year motor warranty worth relying on?
It covers the motor itself only. If your machine is under 10 years old and the motor has genuinely failed, the part is covered but labour is not. Most LG faults are not motor faults — they’re sensor, board, or pump faults, which aren’t covered.
How do I find my LG model number?
It’s on a sticker inside the door jamb, on the back of the machine, or inside the bottom drawer.
Get the Complete Guide
LG fault codes are consistent but easy to misread. This guide decodes each one, tells you what to test, and helps you decide whether the repair is worth it.
You can also consult LG’s official support resources for product information, manuals and troubleshooting information.
[Get the LG Complete Fault Diagnosis Guide — $12.95 →]
Related single-fault guides:
Washing Machine Not Spinning — $7.95
Dryer Not Heating — $7.95
LG Dryer Fault Diagnosis Guide — $7.95