Lg Dishwasher: not functioning properly

Possible Causes

Door not fully latched or door switch failure

How to Identify: Dishwasher does not start and control panel may flash or not respond until door is fully closed; door feels loose

Part: Door latch / door switch

Power supply interruption or circuit issue

How to Identify: Dishwasher has no lights or display, tripped breaker or GFCI outlet, no response when start is pressed

Part: Power cord/circuit breaker

Control panel or electronic control failure

How to Identify: Control panel unresponsive, error codes displayed, failure to start or mid‑cycle stops

Part: Control board / touchpad

Water supply not connected or valve issue

How to Identify: Dishwasher lights but does not fill with water and cycle does not proceed; check supply valve

Part: Water inlet valve / supply line

Drainage clogs or filter blockage leading to mid‑cycle stops

How to Identify: Dishwasher starts but stops unexpectedly or alarms; water remains in bottom

Part: Filter / drain hose / drain pump

DIY Solutions

Ensure door is fully closed and latched

Easy 2-5 minutes

1. Open and firmly close the dishwasher door until you hear the latch click
2. Attempt to start a cycle

⚠️ Safety First: Ensure no dishes block the door from closing

Check and reset power supply

Easy 5-10 minutes

1. Verify the dishwasher is plugged in and the breaker/GFCI outlet is not tripped
2. Turn off power at breaker for 60 seconds, then restore power
3. Attempt to start dishwasher

⚠️ Safety First: Do not work on electrical panel if unfamiliar; consider professional help

Clean filter and check drain hose

Moderate 15-30 minutes

Tools Needed: Towels, Screwdriver if panel access needed

1. Remove bottom dish rack
2. Locate and remove filter assembly
3. Clean debris from filter and reinstall
4. Inspect drain hose under sink for kinks and debris

⚠️ Safety First: Turn off water supply if accessing hoses

Professional Repairs

Replace control board or door latch assembly

Estimated Cost: $150 - $400

Repair or replace water inlet valve

Estimated Cost: $80 - $200

Service drain pump or drain components

Estimated Cost: $150 - $350

When to Call a Professional

Dishwasher control panel remains unresponsive after reset and power cycling

Error codes persist or dishwasher stops mid‑cycle with water remaining

Visible water leaks or unusual noises from motor/pump area

Preventive Maintenance

• Clean filter and spray arms: Clogs that can halt dishwasher operation
  Frequency: Monthly
• Check door seal and latch: Failure to start due to door not latching properly
  Frequency: Every few months

Frequently Asked Questions

Why is my LG Dishwasher not functioning properly?

Common causes include a door that isn't fully latched, power supply interruptions, or control panel failures.

How do I fix LG Dishwasher not functioning properly myself?

Ensure the door is latched, reset the power supply, and clean the filter and drain hose.

How much does it cost to fix not functioning properly?

Professional repairs can range from $80 to $400 depending on the issue and parts needed.

When should I call a technician for not functioning properly?

If DIY solutions don't work or if the problem is complex, it's best to contact a technician.

References & Sources

• LG Dishwasher Error Code List Official

Can I Fix This Myself?

100%

DIY Success Rate Difficulty: DIY

Common Issues Reported by Users

• Vario motor error (1 mentions)

User Suggested Solutions

1. Clearing error codes after multiple wash cycles

   Success rate: 50.0%

Community Discussions

loud whining noise, vario motor error code

Error codes cleared after 5 wash cycles or 48 hours energized.

DIY View on Reddit →

Source: Reddit r/appliancerepair