Error code
Midea / Water heater
E4
Outlet-water overtemperature alert.
What it means
Outlet-water overtemperature alert.
This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.
Manufacturer guidance
- Stop hot-water use and ask qualified service to assess the outlet sensor.
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.