LG Error Code LO — Error Code LO

Service Guy AI • Washer • Medium severity • Intermediate skill • ~30 min repair

What Does LG Error Code LO Mean?

LG washer: Error Code LO

This is a medium-severity fault. The machine may complete the current cycle but is signalling a problem you should resolve before it escalates.

Possible Causes (4)

LG engineers identify the following root causes for fault code LO. Work through them in the order shown — they are listed from most common to least common.

1. Faulty door interlock preventing the washer from starting
2. Blocked drain pump causing water to remain in the drum
3. Malfunctioning pressure switch not detecting water levels
4. Control board issue affecting communication between components

Step-by-Step Troubleshooting (5 steps)

Follow this sequence to diagnose and clear LG error code LO. Power down and unplug the machine before any internal inspection.

1. Disconnect power before servicing.
2. Inspect the door interlock for proper operation and replace if faulty.
3. Check the drain pump for blockages and clear any debris.
4. Test the pressure switch for continuity and replace if defective.
5. Examine the control board for any visible damage or burnt components.

Required Parts

Have these LG OEM part numbers ready before starting the repair. AAdvantage Laundry Systems carries verified parts for every code in this database.

• Door interlock switch
• Pressure switch
• Drain pump
• Control board

Diagnostic Test Mode

Enter LG diagnostic test mode: Hold 'Rinse+Spin + Power' for 3 seconds

Skill Level & Repair Time

This repair is appropriate for an experienced laundromat owner or in-house technician. You should be comfortable removing service panels, reading wiring diagrams, and using a multimeter to test continuity and voltage. Plan for approximately 30 minutes of active repair time once parts are on hand.

Get AI-Powered Diagnosis

If the steps above don't resolve LG LO, run a free Service Guy AI diagnosis. Upload a photo of the error display and get an AI-generated repair plan tied to your exact LG model number, including supplier links for required parts and on-call technician escalation.

Other LG Error Codes