1
7
Malfunction Analysis
Phenomenon
Check items
Solution
Mist is emitted from
indoor unit’s air
outlet.
Indoor temperature and humidity
is high?
Because indoor air is cooled
rapidly. After a while, indoor
temperature and humidity will be
decrease and mist will display.
Set temperature
can’t be adjusted
Unit is operating under auto
mode?
Temperature can’t be adjusted
under auto mode. Please switch
the operation mode if you need
to adjust temperature.
Your required temperature
exceeds the temperature range?
Set temperature
range:16°C~31°C
Cooling ( heating )
effect is not good
Voltage is too low?
Wait until the voltage resumes
normal.
Filter is dirty?
Clean the filter.
Set temperature is in proper
range?
Adjust temperature to proper
range.
Door and window are open?
Close door and window.
Odours are emitted
Whether there’s odour source,
such as furniture and
cigarette,etc.
Clean the filter.
Eliminate the odour source.
Air conditioner
operates normally
suddenly
Whether there’s interference,
such as thunder, wireless
device,etc.
Disconnect power, put back
power, and then turn on the unit
again.
Outdoor unit has
vapor
Heating mode is turned on?
During defrosting under heating
mode, it may generate vapor,
which is a normal phenomenon.
“ Water flowing ”
noise
Air conditioner is turned on or
turned off just now?
The noise is the sound of
refrigerant flowing inside the
unit, which is a normal
phenomenon.
Cracking noise
Air conditioner is turned on or
turned off just now?
This is the sound of friction
caused by expansion and / or
contraction of panel or other
parts due to the change of
temperature.