20
Troubleshooting
Issue
Possible Cause
Solution
The hair dryer doesn't
respond after turning it
on.
Temperature is too high, and
the hair dryer has entered
the thermostat overheating
protection state.
Replace with a
220–240 V~ 50 Hz
power supply.
Contact after-sales for
a solution.
Contact after-sales for
a solution.
Leave the hair dryer
for a minute and
then restart to
restore it.
Leave the hair dryer
for 5 minutes.
The thermal fuse is burned
out and the hair dryer is
damaged.
The negative ion indicator
board is damaged.
Non-compliant voltage
supply
Temperature is too high,
and the hair dryer has
entered the NTC
overheating protection
state.
After turning on the hair
dryer, the negative ion
indicator doesn't light
up, but the hair dryer
still functions.
After turning on the hair
dryer, the negative ion
indicator lights up, but the
temperature indicator
doesn't light up, and the
hair dryer doesn't
function.
After turning on the hair
dryer, the negative ion
indicator lights up and the
temperature indicator
functions normally, but
the air temperature
fluctuates.
After turning on the hair
dryer, the negative ion
indicator lights up and
the temperature
indicator blinks yellow,
but the hair dryer
doesn't function.
Summary of Contents for Mi Ionic Hair Dryer H300
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