Meaco Humidifiers & Dehumidifiers Error Codes

E1

Dehumidifier stops and displays E1 on the control panel

Room Temperature Sensor Fault

E2

Dehumidifier shows E2 and will not start dehumidifying

Evaporator Coil Temperature Sensor Fault

E3

Dehumidifier displays E3 and stops operation

Humidity Sensor (RH Sensor) Fault

E4

Dehumidifier shows E4 and will not run the compressor

Defrost / Anti‑Frost Sensor or Defrost Circuit Fault

E5

Dehumidifier beeps and displays E5, fan may still run but compressor does not

Compressor Overload / High Temperature Protection Fault

E6

Dehumidifier shows E6 and stops dehumidifying

Fan Motor or Fan Feedback Fault

E7

Dehumidifier displays E7 and will not start

Internal Communication / EEPROM / Control Board Fault

E8

Dehumidifier shows E8 and shuts down shortly after starting

High Pressure / Refrigeration System Protection Fault

E9

Dehumidifier displays E9 and stops, often soon after startup

Low Temperature / Anti‑Freeze Protection Fault

EC

Dehumidifier shows EC and stops dehumidifying

Refrigerant System / Cooling Efficiency Fault

F0

Meaco humidifier displays F0 and stops producing mist

Water Level Sensor / Tank Not Detected

F1

Meaco humidifier shows F1 and will not run the ultrasonic mist

Humidity Sensor Fault (Humidifier)

F2

Meaco humidifier displays F2 and stops operating

Temperature Sensor Fault (Humidifier)

F3

Meaco humidifier shows F3 and no mist is produced

Ultrasonic Transducer / Nebulizer Fault

F4

Meaco humidifier displays F4 and shuts down

Overheat / Dry‑Run Protection Fault

P1

Dehumidifier displays P1 and does not start dehumidifying

Internal Tank Full / Pump Reservoir Full (Pump Models)

P2

Dehumidifier shows P2 and stops, even though the main tank is empty

Continuous Drain / Pump Protection Fault

Symptom

Control panel buttons on dehumidifier or humidifier are unresponsive or intermittent

Keypad / Control Panel Fault

Symptom

Dehumidifier display and buttons work but fan does not run

Fan Not Running

Symptom

Dehumidifier does not power on at all, no lights or display

No Power / Dead Unit

Symptom

Dehumidifier fan runs but there is a strong musty or moldy smell from the air outlet

Odor / Biological Growth in Water Path

Symptom

Dehumidifier indicates tank full even when the tank is empty and correctly inserted

False Tank Full Detection

Symptom

Dehumidifier is running but makes loud rattling or grinding noises

Mechanical Noise / Fan or Compressor Mounting Fault

Symptom

Dehumidifier or humidifier emits a burning smell during operation

Overheating Electrical Component

Symptom

Dehumidifier powers on but compressor never starts, fan only

Compressor Not Starting

Symptom

Dehumidifier runs but collects very little or no water despite high humidity

Poor Dehumidification / Loss of Cooling Capacity

Symptom

Dehumidifier runs for a few minutes then shuts off, tank not full

Short Cycling / Overheat or Protection Trip

Symptom

Dehumidifier vibrates excessively or walks across the floor during operation

Excessive Vibration / Imbalance

Symptom

Display shows incorrect room humidity (e.g., always 30% or 80%)

Inaccurate Humidity Reading

Symptom

Humidifier display works but no fan airflow from outlet

Humidifier Fan Failure

Symptom

Humidifier leaks water around or under the base

Humidifier Water Leak

Symptom

Humidifier or dehumidifier display flickers or goes blank intermittently

Display Power / Connection Fault

Symptom

Humidifier produces a white dust on nearby surfaces

Mineral Dust Emission

Symptom

Humidifier runs but produces very little or no visible mist

Low Mist Output

Symptom

Water leaking from the bottom of the dehumidifier onto the floor

Water Leak / Drainage Fault