Gree GWC09MB-D3DNK Series Owner's Manual page 20

16
Malfunction analysis
Problem
Air
conditioner
can t
operate
Mist is
emitted
from
indoor unit s
air outlet
Set
temperature
can t
be adjusted
Air cooling
(heating)
is not
efficient
Check items
Power failure?
Air switch trips off ?
Wiring has malfunction?
Has the unit been turned on
immediately after being
stopped ?
Is the function setting on
remote control correct ?
Are indoor temperature and
humidity level high ?
Unit is operating under auto
mode?
Your required temperature
exceeds the set temperature
range?
Voltage is too low?
Filter is dirty?
Set temperature is in proper
range?
Doors and windows are open?
Solution
Wait until power resumes.
Ask professional to replace
air switch.
Ask professional to replace it.
Wait for 3min, and then turn
on the unit again.
Reset the function.
This is because indoor air is
cooled rapidly. After a while,
indoor temperature and humidity
level will decrease and mist will
disappear.
Temperature can't be adjusted
under auto mode.
Please switch the operation
mode if you need to adjust
temperature.
Set temperature range:
15°C -3o °C .
Wait until the voltage
resumes to normal.
Clean the filter.
Adjust temperature to proper
range.
Close doors and windows.