Sunbeam Humidifiers & Dehumidifiers Error Codes

CF

Dehumidifier display shows CF after extended use

Filter Cleaning Reminder

E1

Dehumidifier will not start and displays E1 on the control panel

Room Temperature Sensor Failure

E2

Dehumidifier runs briefly then stops and displays E2

Evaporator Coil Temperature Sensor Failure

E3

Dehumidifier display shows E3 and compressor will not engage

Humidity Sensor (RH Sensor) Failure

E4

Dehumidifier beeps and shows E4, unit shuts down shortly after starting

Refrigeration System Protection / High or Low Temperature Fault

E5

Dehumidifier displays E5 and will not dehumidify

Compressor Overload / Current Protection Fault

E6

Dehumidifier shows E6 and fan does not run or runs erratically

Fan Motor or Fan Feedback Fault

E7

Dehumidifier displays E7 and stops operating after a short time

Internal Communication or EEPROM Error

E8

Dehumidifier shows E8 and will not start the compressor

Low Refrigerant / Coil Temperature Protection Error (interpreted by sensor)

E9

Dehumidifier displays E9 and controls are unresponsive or erratic

Keypad / Control Panel Error

EC

Dehumidifier shows EC and stops cooling

Refrigerant System Error / Sensor-Detected Cooling Failure

F0

Humidifier displays F0 and stops producing mist

Water Level Sensor / Float Switch Error

F1

Humidifier shows F1 and will not turn on the ultrasonic mist

Ultrasonic Transducer Fault

F2

Humidifier displays F2 and shuts off shortly after starting

Overheat / Dry-Run Protection Fault (Warm Mist Models)

F3

Humidifier shows F3 and fan does not run

Fan Motor Fault (Humidifier)

F4

Humidifier displays F4 and will not operate

Internal Sensor / PCB Fault

HI

Dehumidifier display shows HI and runs continuously

High Humidity Indication / Humidity Sensor Out of Range

LO

Dehumidifier display shows LO and unit does not dehumidify

Low Ambient Temperature Lockout

Symptom

Dehumidifier bucket full light stays on even when bucket is empty and properly installed

Bucket Full Switch Fault

Symptom

Dehumidifier continuous drain feature not working (water still fills bucket)

Continuous Drainage Failure

Symptom

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

No Power / Input Power Failure

Symptom

Dehumidifier emits a musty or moldy odor from the air outlet

Odor / Biological Growth

Symptom

Dehumidifier fan runs but compressor never starts (no cooling, no water collection)

Compressor Start Failure

Symptom

Dehumidifier is very noisy or rattles during operation

Excessive Noise / Vibration

Symptom

Dehumidifier leaks water onto the floor

Water Leakage / Drainage Fault

Symptom

Dehumidifier powers on but compressor and fan never start (unit just sits idle)

Control Logic / Relay Failure

Symptom

Dehumidifier runs but does not collect water (room remains humid)

No Dehumidification / Poor Cooling Performance

Symptom

Dehumidifier runs but shuts off after a few minutes and restarts frequently

Short Cycling

Symptom

Dehumidifier trips the household circuit breaker or blows fuses

Overcurrent / Electrical Short

Symptom

Dehumidifier vibrates excessively and may move on the floor

Severe Vibration

Symptom

Humidifier display or indicator lights flicker or dim intermittently

Unstable Power / Display Issue

Symptom

Humidifier emits a white dust on nearby surfaces

Mineral Dust Emission (Ultrasonic Models)

Symptom

Humidifier fan runs but there is no visible mist at the outlet

Airflow Without Mist

Symptom

Humidifier has a strong plastic or chemical smell when new

New Appliance Odor

Symptom

Humidifier leaks water from the base onto the table or floor

Humidifier Water Leakage

Symptom

Humidifier makes gurgling or bubbling noises

Normal Water Transfer / Air Entrapment Noise

Symptom

Humidifier powers on but produces no mist

No Mist Production

Symptom

Humidifier produces very weak mist output even on high setting

Reduced Mist Output

Symptom

Humidifier shuts off unexpectedly even though there is water in the tank

Unexpected Shutdown / False Empty Detection