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Appliance Fix Guide

LG Microwave error code

LG Microwave Error E-05

In convection mode, the achieved temperature is more than 70°C when the user has set a temperature of 40°C.

In convection mode, the achieved temperature is more than 70°C when the user has set a temperature of 40°C.

Updated Aug 18, 2026
informationalno_parts
LG microwave repair guide for error E-05
Error codeE-05Microwave

Start here before buying a part or taking the appliance apart.

  1. 1
    Stop and arrange professional service

    If the error code returns after a full power reset, stop DIY internal work. Microwave internal components can retain hazardous voltage even after unplugging. Internal diagnosis and repair should be handled by a qualified technician.

A quick explanation

What does E-05 mean?

In convection mode, the achieved temperature is more than 70°C when the user has set a temperature of 40°C.

The answer you came for

How to fix LG microwave error E-05

Start with the safest checks and work from simple to technical.

Microwave internal components can retain hazardous voltage even after unplugging. The steps below are limited to safe external checks. Internal diagnosis and repair should be handled by a qualified professional.

  1. 1

    Stop and arrange professional service

    If the error code returns after a full power reset, stop DIY internal work. Microwave internal components can retain hazardous voltage even after unplugging. Internal diagnosis and repair should be handled by a qualified technician.

    What you should see: You avoid opening the cabinet or touching internal high-voltage parts.
If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

What may be causing it?

  • Microwave temperature is too high for the selected cooking function.

These are possibilities to investigate, not proof that one part has failed.

Recommended part

Recommended part for this error code

No replacement part recommended for this code

The researched guidance for LG Microwave error E-05 points to user-action and diagnostic steps above rather than a mapped replacement part. We will not invent a part or send you to an unrelated product.

Replacement options

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Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Unplug the microwave before any checks. Do not remove the cabinet or touch internal components.

When to stop
  • Microwave internal components can retain hazardous voltage even after unplugging. Internal diagnosis and repair require a qualified technician.

Free quick sheet

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