AppliClue
ENESFRDE

Error code

Midea / Water heater

A3

Internal microcontroller RAM failure.

What it means

Internal microcontroller RAM failure.

This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.

Manufacturer guidance

  1. Seek service for the controller rather than trying user adjustments.

Manufacturer source

Models documented with this signal

Select your exact model below to open its manufacturer source. Manual editions and model revisions can differ.

If there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.