Safety first: Unplug before pulling the bucket, washing a filter or inspecting drain hardware. Keep water off electrical outlets. Refrigerant-sealed refrigeration work and internal mains/PCB repairs require authorized service.
Model and version covered
Midea MAD50C1AWS 50-pint EasyDry, the no-built-in-pump version. Do not apply drain-pump hose, Eb or pump-flashing procedures intended for MAD50P1AWS.
Version check: MAD50C1AWS is the non-pump variant. Do not use the drain-pump repair instructions for pump-equipped models.
DIAGNOSE THE CAUSE · APPLY THE FIX · CONFIRM THE RESULT
Find the cause and fix it
Jump to your symptom: 01 · ES appears instead of normal humidity display02 · ES remains or recurs
01
ES appears instead of normal humidity display
HOW TO CHECK & CORRECT THIS CAUSE
- The user manual defines ES as evaporator tube-temperature sensor error.
- Unplug, reconnect once and verify that the filter is unobstructed.
- This is not a bucket-float error.
How to tell it is fixed: Normal temperature control resumes without ES.
02
ES remains or recurs
HOW TO CHECK & CORRECT THIS CAUSE
- Repair the affected evaporator-sensor circuit with correct model-approved sensor/harness via qualified service, rather than bypassing temperature protection.
How to tell it is fixed: Unit runs a dehumidification cycle without sensor code or unwanted icing.
Source and model restrictions
Technical baseline: Manufacturer guide or model manual ↗