How to Fix LG Microwave Error E-05

Error Code: E-05 Difficulty: Easy

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

How to Fix E-05 Error (Step-by-Step)

1. Press the ‘STOP/CLEAR’ button to cancel the current operation and clear the error message.
2. Unplug the microwave from the electrical outlet and confirm the error stays cleared during a full test cycle.
3. Leave the microwave unplugged for at least 5-10 minutes. This allows the internal control board to fully discharge and reset.
4. Plug the microwave back into the power outlet and confirm the error stays cleared during a full test cycle.
5. Set the clock if it has been reset and confirm the error stays cleared during a full test cycle.
6. Attempt to use the convection mode again. This simple power cycle often resolves temporary sensor glitches.
7. Turn the appliance off, wait about 2 minutes, then turn it back on.

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.