Dyson HD01 Manual page 18

LEDs
Settings
When solid, the LED lights indicate which
settings you're using.
Flow
Temperature
No red LED
Maximum operating temperature in normal
working conditions: 105°C
Maximum thermistor temperature at safety shut
down: 145°C
Diagnostics
The LEDs will flash indefinitely to communicate
one of the following warnings:
18
Fast
Medium
Gentle
High
Medium
Low/scalp mode
Constant cold/cold shot
Clean filter. See the
Cleaning section for details.
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