Unit does not change
to air purifier mode
when HEPA cartridge
is clipped in
Cartridge is not put in the right place.
Put the cartridge in the right place.
PCBA problem.
Change PCBA, contact the customer
service center.
There is a problem with the magnetic
switch on the rear cover.
Change Magnetic switch, contact the
customer service centerer.
It is normal andmeans PM2.5 at
0~50.
1. Clean PM2.5sensor
2. Change PM2.5 sensor or PCBA ,
contact the customer service center.
It is normal when temperature
lower than 20°(68F).
If temperature is beyond 20° (68°F)
and remain on low speed, it is PCBA
defective.
It is normal as per the design.
Temperature can not be set
according to the design.
Air quality (PM2.5) can not be set
according to the design.
Water pipe is bent.
The UV light button is not pressed.
UV lamp is broken.
PCBA is damaged.
Change PCBA ,contact the customer
service center.
Change UV lamp, contact the
customer service center.
Press UV button.
Check the water pump to make
sure it is straight.
Water in the tank is below minimum
water level.
Fill water until the water in the tank is
above minimum water level.
Water pump is broken.
Change water pump
，
contact the
customer service center.
Water pump is blocked.
Clear the water pump and refill the
tank with fresh water .
N/A
N/A
N/A
N/A
Change PCBA ,contact the customer
service center.
N/A
When auto-mode is
activated on cooling
mode, the fan always
seems to remain on
the low speed.
When auto-mode is
activated on air
purifier mode, the
fan always seems to
remain on the low
speed.
When auto-mode is
activated on humidify
mode, the fan always
seems to remain on the
low speed
Unable to change
target temperature
settings
Unable to change
target air quality
(PM2.5) settings
Honeycomb or
humidifier pad is not
getting wet
UV light does
not work
Problem
Problem cause
Solution
22
If PM2.5 display data beyond 50
and still keep in low speed, it is
PM2.5 sensor or PCBA defective.
