Malfunction analysis
● Power failure?
● Is plug loose?
● Circuit break trips off or fuse is
   burnt out?
● Wiring has malfunction?
● Unit has restarted immediately 
   after stopping operation?
● Whether the function setting 
   for remote controller is 
   correct?
● Reset the function.
● Wait for 3min, and then turn
   on the unit again.
● Ask professional to replace it.
● Ask professional to replace 
   circuit break or fuse.
● Reinsert the plug.
● Wait until power recovery.
Air condit-
ioner can’t 
operate
Mist is em-
itted from 
indoor unit’s 
air outlet
● Indoor temperature and hum-
   idity is high?
● Because indoor air is cooled 
   rapidly. After a while, indoor 
   temperature and humidity will 
   be decrease and mist will 
   disappear.
Phenomenon
Check items Solution
Set temper-
ature can’t 
be adjusted
● Unit is operating under auto 
   mode?
● Temperature can’t be adju-
   sted under auto mode. 
   Please switch the operation 
   mode if you need to adjust 
   temperature.
● Your required temperature 
   exceeds the set temperature 
   range?
● Set temperature range: 
   16
℃
~30
℃
.
Cooling 
(heating) 
effect is 
not good.
● Voltage is too low?
● Wait until the voltage 
   resumes normal.
● Filter is dirty? ● Clean the lter.
● Set temperature is in proper
   range?
● Adjust temperature to proper
   range.
● Door and window are open? ● Close door and window.