Lg Oven: not heating

Professional Repair Guide

What is this symptom?

If your LG oven isn't heating, you're likely facing a frustrating cooking experience. Whether you have an electric or gas model, the oven fails to reach the desired temperature, leaving your meals uncooked. Common causes include a faulty heating element in electric ovens or a weak igniter in gas models. Understanding these issues can help you troubleshoot effectively.

Urgency: Medium

Possible Causes

Faulty heating element (electric models)

How to Identify: Electric element should glow red when on; visible cracks or blisters, no red glow, continuity test fails.

Part: Bake/ broil heating element

Weak or failed oven igniter (gas models)

How to Identify: Igniter doesn’t glow or takes too long to ignite gas flame; oven stays cold. (Appliance Parts Pros

Part: Oven igniter

Temperature sensor/thermostat issue

How to Identify: Oven fails to reach temp or doesn’t heat; sensor out of spec on multimeter.

Part: Temperature sensor/ thermostat

Preventive Maintenance

  • Clean and inspect heating elements: Element failure due to buildup
    Frequency: every 3–6 months
  • Check oven seals and door closure: Heat loss that mimics heating failures
    Frequency: annually

Frequently Asked Questions

Why is my LG Oven not heating?
Common causes include a faulty heating element for electric models and a weak igniter for gas models.
How do I fix LG Oven not heating myself?
No DIY solutions are available for this issue; professional help is recommended.
How much does it cost to fix not heating?
Repair costs will vary based on the specific issue and service provider.
When should I call a technician for not heating?
If the oven is not heating, it's advisable to call a technician for a thorough inspection.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

85%
DIY Success Rate Difficulty: DIY

Common Issues Reported by Users

  • Igniter failure (7 mentions)
  • Relay board issues (5 mentions)
  • Control board failure (4 mentions)
  • Temperature sensor malfunction (3 mentions)
  • Wiring issues (3 mentions)

User Suggested Solutions

  1. Replace the igniter

    Success rate: 16.0%

  2. Replace the relay board

    Success rate: 7.0%

  3. Replace the control board

    Success rate: 5.0%

  4. Repair burnt wiring

    Success rate: 5.0%

  5. Replace the temperature sensor

    Success rate: 5.0%
Analysis based on 26 community discussions
View Sources

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

  1. Need to Purchase an Oven - We Use Shabbat Mode
  2. Factory back order, new oven?
  3. LG LRGL5823D/01 gas oven: F9 after ~5 min, igniters glow but...
  4. LG LRE3061ST fails to stay at temp
  5. Gas Oven Doesn’t Work Unless Burner Is On
  6. Help! LG Oven not Fully Heating
  7. F9 Code LG Oven
  8. LG LRE3061ST/00 Oven cutting off, no error code
  9. LG Oven F9 Error Code
  10. Can't find replacement part
  11. LG oven replacement part doesn't match original?
  12. LG Gas Oven F11 code
  13. LG LDE4413 electric oven not heating.
  14. LG oven not heating up properly
  15. LG Oven not getting to preheat temp
  16. POS LG gas oven
  17. Oven repair worth it?
  18. Oven control board/cable assembly repair
  19. LG oven not heating
  20. LG oven LRE3194BD wire to bake element burnt out - Not heati...
  21. LG ThinQ Oven Regulator - Spare Part Has Slightly Higher PSI...
  22. LG gas oven not getting as hot as it should (incorrect tempe...
  23. Need help finding a part because for some reason no repair s...
  24. LG LSG4513BD oven randomly won't heat
  25. LG oven heating element shorted out (I think?)
  26. LG LRE3194st Oven Repair

Community Discussions

not getting to preheat temp

Replaced the Oven Range Relay Control Board.

DIY View on Reddit →

left side heating elements and warmer stopped working; front right is intermittent

Replaced the oven relay board and tightened loose connectors.

DIY View on Reddit →

oven portion won't turn on, door locks cycle unlock>lock>unlock, strange chime

The issue was caused by a faulty microswitch that controls the lock mechanism.

DIY View on Reddit →

F9 error code when heating up the oven

Replace the igniter

DIY View on Reddit →

range won't heat up

Flipping the breaker off and on resolved the issue.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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