Lg Refrigerator: not working

Professional Repair Guide

What is this symptom?

If your LG refrigerator is not working, you may experience a complete lack of operation, including no cooling, lights, or sounds from the fans and compressor. This issue could indicate a power supply problem or potential internal component failure.

Urgency: High

Important Tips for Lg Models

  • Official LG troubleshooting recommends checking power cord, circuit breaker, and dedicated circuit before other repairs.

Possible Causes

Power supply or electrical issue

How to Identify: No lights, display, or sounds; verify outlet and breaker; inspect cord damage.

Part: Power cord, outlet, circuit breaker

Control board or internal electronics failure

How to Identify: No response despite power present (lights on but no compressor/fans start; may show error codes if panel exists.

Part: Main control board/electronics

Compressor or cooling system failure

How to Identify: Fridge runs lights/fans but fails to cool and compressor not cycling; humming or clicking sounds possible.

Part: Compressor/relay

Door switch or sensor failure

How to Identify: Lights or fans may not run due to false open‑door signal; check door fully closed.

Part: Door ajar switch

DIY Solutions

Check and reset power source

Easy 10 minutes
Tools Needed: none
  1. Ensure refrigerator is plugged in firmly.
  2. Check and reset circuit breaker for the outlet.
  3. Try plugging into a different known working outlet.
⚠️ Safety First: Do not touch live wiring; ensure hands are dry.

Inspect power cord and outlet

Moderate 15 minutes
Tools Needed: flashlight
  1. Unplug fridge and examine power cord for visible damage.
  2. Check outlet with another device to confirm it has power.
  3. If cord is damaged, note that replacement requires professional service.
⚠️ Safety First: Unplug before inspection; do not use damaged cord.

Professional Repairs

Replace control board/electronics

Estimated Cost: $150 - $400

Compressor or sealed system repair

Estimated Cost: $300 - $800+

When to Call a Professional

No power despite confirming outlet/breaker and power cord condition
Lights/controls are on but unit does not cool and internal components don’t respond
Uncertain diagnosis requiring access to internal electronics or sealed system

Preventive Maintenance

  • Clean condenser coils: Overheating and compressor overload leading to failure
    Frequency: annually
  • Check door seals: Door not closing properly leading to inefficient cooling and overwork
    Frequency: bi‑annually

Frequently Asked Questions

Why is my LG Refrigerator not working?
Common causes include power supply issues, control board failures, or compressor problems.
How do I fix LG Refrigerator not working myself?
Check the power source, reset the circuit breaker, and inspect the power cord for damage.
How much does it cost to fix not working?
Professional repairs can range from $150 for control board replacement to over $800 for compressor repairs.
When should I call a technician for not working?
Call a technician if DIY solutions fail, particularly for complex issues like compressor or control board failures.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

70%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Main PCB (Power Control Board) failure due to power surge from lightning strike
  • Tripped circuit breaker or blown fuse due to electrical surge
  • Compressor damage from power surge

User Suggested Solutions

  1. Check and reset the circuit breaker or replace the blown fuse. Ensure the refrigerator is plugged in and the outlet is functioning. If the breaker trips again, there may be a deeper electrical issue.

  2. Inspect and replace the main PCB if it shows signs of damage (burn marks, smell of burnt electronics). Ensure to disconnect power before working on the unit.

  3. If the compressor is suspected to be damaged, consult a professional technician for diagnosis and replacement, as this involves handling refrigerants and high-voltage components.

Analysis based on 1 community discussions
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. LG Refrigerator took Lightning strike

Community Discussions

doesn't work after lightning strike

Replace the main PCB (power control board)

DIY View on Reddit →

Source: Reddit r/appliancerepair

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