Ebac Humidifiers & Dehumidifiers Error Codes

E1

Unit will not run, display shows E1 shortly after power-up

Room Temperature Sensor Fault

E2

Display shows E2 and compressor will not start

Evaporator Coil Temperature Sensor Fault

E3

E3 displayed, unit runs briefly then shuts down

Humidity Sensor / RH Probe Fault

E4

E4 error, compressor does not start or stops quickly

High Temperature / Overheat Protection Fault

E5

E5 displayed, unit will not start dehumidification cycle

Water Level / Tank Full Sensor Fault

E6

E6 error, unit powers but no fan or compressor operation

Internal Communication / Control Board Fault

E7

E7 displayed, fan may run but compressor does not engage

Compressor Protection / Start Failure

E8

E8 error, fan does not run or runs intermittently

Fan Motor / Fan Feedback Fault

E9

E9 displayed, unit shuts down unexpectedly during operation

Low Ambient / Frost Protection Fault

F1

F1 code on display, unit beeps and stops

Float Switch Open Circuit

F2

F2 code, unit runs fan only, no dehumidification

Low Refrigerant / Refrigeration System Fault (Detected)

F3

F3 code, unit cycles rapidly and does not control humidity correctly

Humidity Calibration / Sensor Range Error

F4

F4 code, unit does not respond to keypad presses

Keypad / User Interface Fault

H1

H1 code, unit indicates high humidity but does not start

Humidity Sensor Short Circuit

H2

H2 code, unit indicates low humidity and will not run

Humidity Sensor Open Circuit

LC

LC or lock symbol on display, controls unresponsive

Child Lock / Control Lock Active

P1

P1 code, unit in defrost mode more than normal

Prolonged Defrost / Defrost Sensor Fault

P2

P2 code, continuous pump models – pump not operating, water backing up

Condensate Pump Fault

Symptom

Continuous drain not working; water still fills the tank

Continuous Drain Bypass Failure

Symptom

Dehumidifier runs briefly then shuts off, tank not full

Short Cycling / Overheat or Protection Trip

Symptom

Dehumidifier will not power on at all (no lights, no display)

No Power / Input Power Failure

Symptom

Display is blank but unit appears to run (fan/compressor on)

Display Backlight / UI Power Fault

Symptom

Display works but buttons do not respond or respond intermittently

Keypad Input Failure

Symptom

Fan does not run, but compressor becomes very hot

Fan Failure Leading to Overheating

Symptom

Fan runs but no water is collected in the tank or drain hose

No Dehumidification / Poor Moisture Removal

Symptom

Humidifier function (on combined Ebac units) not producing visible mist

Humidifier Output Failure

Symptom

Humidifier section produces white dust or mineral deposits nearby

Mineral Carryover from Humidifier

Symptom

Loud humming from compressor area, but little or no water collected

Compressor Mechanical or Electrical Fault

Symptom

Musty or unpleasant smell from air outlet during operation

Microbial Growth / Odor Issue

Symptom

Unit frequently trips the household circuit breaker or RCD

Overcurrent or Earth Leakage Fault

Symptom

Unit is excessively noisy during operation (rattling, buzzing, or grinding)

Mechanical Noise / Vibration Fault

Symptom

Unit powers on but compressor never starts, fan runs continuously

Compressor Not Starting

Symptom

Unit runs but room humidity does not decrease to setpoint

Under-Capacity or Control Calibration Issue

Symptom

Unit shuts off when moved or bumped lightly

Intermittent Power / Loose Connection

Symptom

Unit vibrates excessively and moves on the floor during operation

Excessive Vibration / Imbalance

Symptom

Visible frost or ice buildup on the evaporator coil that does not clear

Persistent Frost / Defrost Failure

Symptom

Water leaking from the bottom of the dehumidifier onto the floor

Condensate Leak / Drainage Fault

Symptom

Water tank overflows even though the unit should shut off when full

Tank Full Protection Failure