Dyson Humidifiers & Dehumidifiers Error Codes

F1

Dyson humidifier will not power on, display remains blank, no response to power button or remote

Main Power Supply / Control Board Fault

F10

Dyson humidifier shows F10 and shuts down, often after a few minutes of operation

Internal Leak / Water Ingress Detection

F11

Dyson humidifier displays F11 and does not respond correctly to remote or app commands

Communication / Control Interface Fault

F12

Dyson humidifier shows F12 and will not start, often after a power surge or outage

Firmware / Internal Memory Fault

F13

Dyson humidifier displays F13 and stops, often when room is very cold or very hot

Ambient Temperature Out of Range / Sensor Calibration Fault

F14

Dyson humidifier shows F14 and will not start misting, even though tank is full and seated

Tank Presence / Interlock Switch Fault

F15

Dyson humidifier displays F15 and stops, often with unusual noises from the base

Internal Mechanical Jam / Drive Fault

F16

Dyson humidifier shows F16 and humidity control is erratic or unresponsive

Control Panel / User Interface Fault

F2

Dyson humidifier powers on but immediately shows F2 and shuts down, no mist output

Ultrasonic Transducer / Atomizer Fault

F3

Dyson humidifier displays F3 and will not start misting, fan may still run briefly

Water Level Sensing Fault

F4

Dyson humidifier shows F4 and stops operation, often after a short run time

Overheat / Temperature Sensor Fault

F5

Dyson humidifier displays F5 and will not run UV or misting cycle

UV-C Sterilization System Fault

F6

Dyson humidifier shows F6 and stops, often accompanied by unusual fan behavior

Fan Motor / Airflow Fault

F7

Dyson humidifier displays F7 and refuses to start, often after being moved or tipped

Tilt / Tip-Over Sensor Fault

F8

Dyson humidifier shows F8 and stops, often associated with very low or no humidity output despite water in tank

Humidity Sensor / RH Feedback Fault

F9

Dyson humidifier displays F9 and will not start misting cycle, even with full tank

Water Pump / Circulation Fault

Symptom

Dyson humidifier base feels unusually warm or hot to the touch during normal operation

Abnormal Base Heating

Symptom

Dyson humidifier causes nearby surfaces or windows to become excessively wet or condense

Localized Over-Humidification / Poor Mist Distribution

Symptom

Dyson humidifier continues to run even when the room feels very humid, overshooting the set humidity

Humidity Control Overshoot

Symptom

Dyson humidifier dehumidifier combo unit blows warm air but does not reduce humidity

Ineffective Dehumidification (Combo Unit)

Symptom

Dyson humidifier dehumidifier mode (for combo models) does not remove moisture, water tank remains empty

Dehumidification Failure (Combo Unit)

Symptom

Dyson humidifier display is completely blank but unit still seems to run (fan and mist present)

Display Module Failure

Symptom

Dyson humidifier display or indicator lights flicker or dim randomly during operation

Display / Power Stability Issue

Symptom

Dyson humidifier emits a musty or moldy smell during operation

Microbial Contamination of Water Path

Symptom

Dyson humidifier leaks water onto the floor or furniture from around the base or tank area

External Water Leak

Symptom

Dyson humidifier makes loud buzzing or rattling noises during operation

Mechanical Noise / Vibration Fault

Symptom

Dyson humidifier produces very weak mist output even on maximum setting, room humidity barely increases

Reduced Humidification Performance

Symptom

Dyson humidifier remote control does not work, but unit operates from onboard controls

Remote Control Communication Failure

Symptom

Dyson humidifier runs but produces no mist at all, fan operates normally, no error code displayed

Ultrasonic Output Loss Without Code

Symptom

Dyson humidifier shows visible white dust settling on nearby surfaces

Mineral Dust Emission

Symptom

Dyson humidifier shows water in the tank but indicates low water or stops as if empty (no specific code)

False Empty Tank Detection

Symptom

Dyson humidifier stops producing mist but fan continues to run intermittently, then resumes later

Intermittent Misting / Thermal Cycling

Symptom

Dyson humidifier turns off by itself after a short time, even though the tank is full and settings are normal

Unexpected Auto Shutoff

Symptom

Dyson humidifier vibrates excessively or walks across the surface during operation

Excessive Vibration

Symptom

Dyson humidifier water tank is difficult to remove or install, sometimes causing improper operation

Tank Engagement / Mechanical Fit Issue

Symptom

Dyson humidifier will not turn on or respond, but outlet and cord are confirmed good

Internal Power Distribution Failure