Dyson Appliance Error Codes

Complete diagnostic guide for Dyson small household appliances including vacuum cleaners, air purifiers, fans, and washing machines in the United States.

Important Note

Dyson appliances use various error codes and indicator lights that may vary by model and product line. Some error codes (especially F-codes and reference codes like 006-xx-xx-x) are not publicly documented and require Dyson support for diagnosis.

Always refer to your appliance's model number, serial number, and user manual for model-specific error codes and troubleshooting procedures. For complex errors, contact Dyson support with your reference code.

PCB and Main Board Errors

Error codes for Dyson air purifiers and fans related to main PCB (Printed Circuit Board) failures and electronics problems.

Error Code / Indicator	Meaning	Possible Causes	Solutions
006-xx-xx-x	Main PCB failure / Electronics error	Main PCB (Printed Circuit Board) defective Wi-Fi/Network module error Control board communication failure Hardware component failure	Turn off and unplug the appliance Wait 30 seconds and restart Check for firmware updates via Dyson app Enter diagnostic mode if available Contact Dyson support with reference code Check warranty coverage for repair or replacement
Warning Triangle (⚠️)	General fault / Multiple error codes detected	Multiple internal errors detected PCB communication problems Motor or sensor assembly issues Various component failures	Enter diagnostic/engineering mode to view specific codes Note all displayed error codes Clean filters and sensor areas Restart the appliance Contact Dyson support with all error codes

Filter and Air Quality Issues

Error codes for Dyson air purifiers and vacuum cleaners related to filter problems and air quality sensor issues.

Error Code / Indicator	Meaning	Possible Causes	Solutions
F3	Filter error / Airflow problem	Non-Dyson (third-party) filter installed Filter not properly seated Filter needs replacement Airflow blocked or restricted Oscillation mechanism interfering	Use only genuine Dyson filters Remove and reinstall filter correctly Check filter condition and replace if necessary Turn off oscillation and test Clean filter housing area Reset the appliance
Clean Filter	Filter needs cleaning or replacement	Filter is wet or damp Cyclones or air passages blocked Filter is dirty and needs cleaning Filter has reached end of life	Remove and clean the filter Allow filter to dry completely before reinstalling Clean cyclones and air passages Replace filter if worn or damaged Ensure filter is completely dry before use
999	Air quality sensor error / Sensor blocked	Air quality sensor dirty or blocked Sensor reading error Sensor slots blocked with dust Sensor malfunction	Clean sensor slots with vacuum or compressed air Gently clean sensor area with soft cloth Restart the appliance Allow firmware to update if available Contact support if problem persists

Battery and Power Issues

Error codes for Dyson cordless vacuum cleaners related to battery problems and power issues.

Error Code / Indicator	Meaning	Possible Causes	Solutions
32 Red Flashes / LED Blinking	Critical battery error / Battery failure	Battery defective or worn out Battery not charging properly Battery communication error Battery overheating	Remove battery and reinsert Check battery connections Try charging the battery Allow battery to cool down if overheated Replace battery if runtime is significantly reduced Contact Dyson support for battery replacement
Battery Not Charging	Charging system error	Charging dock not properly connected Battery contacts dirty Charging circuit defective Power supply issue	Clean battery and charging contacts Check charging dock connection Try different power outlet Inspect charging dock for damage Contact support if charging fails

Washing Machine Errors (CR01)

Error codes for Dyson washing machines (CR01 models) related to various operational problems.

Error Code / Indicator	Meaning	Possible Causes	Solutions
F1	Overload / Too much laundry	Washing machine overloaded Too much laundry in drum Load exceeds capacity	Remove some items from the drum Redistribute laundry evenly Reduce load size Restart wash cycle
F2	Unbalance / Uneven load	Laundry unevenly distributed Machine not level Drum unbalanced	Redistribute laundry evenly Level the washing machine Check machine is stable Restart cycle
F3	Door open (outer)	Outer door not properly closed Door sensor not detecting closure Door mechanism problem	Close door firmly until it clicks Check door seal Inspect door mechanism Ensure nothing blocking door closure
F4	Door open (inner)	Inner door not properly closed Inner door sensor error Door mechanism jammed	Check inner door is closed Inspect door mechanism Clear any obstructions Contact service if problem persists
F5	Non-draining / Drain problem	Drain hose blocked or kinked Drain pump not working Drain filter blocked	Check drain hose for blockages Clean drain filter Inspect drain pump Ensure drain hose is not kinked
F6	Non-filling / Water supply problem	Water tap closed Water supply hose blocked Inlet valve defective Low water pressure	Open water tap Check water supply hose Inspect inlet valve Check water pressure
F7	Motor tachometer error	Motor tachometer sensor defective Motor communication error Motor control problem	Restart the machine Check motor connections Contact qualified service
F8	Overflow / Water level too high	Water level sensor error Overfilling detected Aquastop activated	Turn off and unplug machine Check for leaks Inspect water level sensor Contact service if problem persists

Heater and Fan Errors

Error codes for Dyson heaters and fans related to heating elements, temperature sensors, and airflow problems.

Error Code / Indicator	Meaning	Possible Causes	Solutions
E8	Heating element error / One side not heating	Heating element defective Temperature sensor (thermistor) faulty Heating module problem One side of heater not working	Check heating element for function Inspect temperature sensor Test heating module Check warranty coverage Contact Dyson support
C1	Temperature error / Overheating	Appliance overheating Temperature sensor error Airflow restricted	Turn off and allow to cool Check airflow is not blocked Clean air passages Inspect temperature sensor
H1	Heating error / Temperature problem	Heating system error Temperature control problem Sensor malfunction	Restart the appliance Check heating system Inspect sensors Contact support if error persists
H2	Airflow vs. filter error	Airflow restricted by filter Filter not properly installed Airflow sensor error	Clean air passages Check filter is correctly installed Inspect airflow system Replace filter if necessary

General F-Codes and Other Errors

General error codes for Dyson appliances that may not be publicly documented. These often require Dyson support for diagnosis.

Error Code / Indicator	Meaning	Possible Causes	Solutions
F-Codes (F1, F2, F4, F5, etc.)	General fault codes / Undocumented errors	Various component failures System errors not publicly documented Multiple possible causes	Note the exact error code displayed Try restarting the appliance Check Dyson support website Contact Dyson support with error code Provide model number and serial number
002-02-01-2	AMP Assembly error / Current module problem	AMP (Ampere) module defective Current control board error Power regulation problem	Contact qualified technician Requires replacement part (AMP board) Check warranty coverage Contact Dyson support

Need More Help?

If you are experiencing problems with your Dyson appliance that are not covered by these error codes, or if the provided solutions do not resolve your issue, we recommend:

Consult your Dyson appliance user manual for model-specific information
Visit the official Dyson support page: dyson.com/support
Use the Dyson app to check for firmware updates and diagnostic tools
Contact Dyson customer service in the United States with your reference code
Submit a reference code via Dyson's support website for diagnosis
Seek help from a qualified appliance repair technician
Check warranty coverage if your appliance is still under warranty

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