Gree GVH24AK-K3DNC6A Owner's Manual page 26

Malfunction analysis
Phenomenon
When turning on or turning off the
unit, there is cracking noise
Cracking
noise?
Air conditioner can't operate
Cooling (heating) effect is not good
Water leakage of indoor unit
humidity is relatively
high; condensation
water overflows
The indoor unit emits cacophonies
Cacophonies?
●This is the sound of friction caused
temperature
change
● Power failure?
● Is plug loose?
● Does circuit protection device trip
● Is voltage too high or too low?
● Timer function is used properly?
● Set temperature is in proper range?
● Air inlet and air outlet of outdoor unit
● Filter is dirty?
● Door and window are open?
● Fan speed is low speed?
● Is there other heat resource in the
● Environment humidity is relatively
drainage
● Condensation water overflows.
pipe is
● The joint of indoor drainage pipe is
loose
● Switching (connection/disconnection)
● When the unit is in defrosting or
refrigerant
flows to the
opposite
direction
24
Analysis
by expansion and/or contraction of
panel or other parts due to the
change of temperature.
off?
(Measured by a professional)
is blocked?
room?
high.
loose.
sounds of fan or compressor relay.
stops operation, it will give out such
sounds. It is caused when the refri-
gerant inside the unit flows to the
opposite direction.