Gree ETAC2-07HC230VA-A Service Manual page 42

Protector is activated
due to too overheat
of compressor.
The compressor is
frequently ON/OFF.
Receiving distance of remote control
is short
LED display flashes or when pressing
the transmit button the entire screen is
displayed.
LED display is found short of stroke.
Abnormal noise and
vibration
Notice: The above malfunction analysis is only for reference. There is no malfunction related to heaitng for cooling only unit.
42
Shortage or too much of refrigerant
The capillary is block and the sucking temperature
is increased.
Compressor does not run, jammed or blocked,
and the discharge valve is damaged.
Failure exists in the protector.
Abnormal power voltage
The system is of a bad heat sinking and the
ventilation is poor.
The air conditioner capability does not match the
area of the room, i.e. so called "Big system,
small room".
Shortage of battery capacity
Shortage of battery capacity
The LED frame is not properly fixed.
The installation of compressor is not proper
and the ground leg is not stable.
The system is not placed levelly.
The system stand is not stable.
Foreign object exists in the unit.
Loose of screw
Adjust the volume of refrigerant
Change capillary
Change compressor
Check with a multimeter and see if the contacts of
compressor are normal when they are not overheated. I
f not, change the protector.
Check for the causes. Improve the power supply
conditions,and add voltage regulated power supply.
Clean the dust deposited on the system and remove
obstacles at the aid discharge vent.
Select an air conditioner meeting the area of the room.
Replace the battery
Replace the battery
Fix the LED frame properly.
Check if the ground leg is stable.
Adjust the location of the unit.
Fix the stand or install again.
Take out the foreign object.
Tighten the screw.
Service Manual
Installation and Maintenance