Buzz
What causes F2 error in Gree air conditioners?
When your Gree air conditioner displays the F2 error, it's likely due to one of the following reasons:
+ The power cable from the temperature sensor on the evaporator coil to the Gree air conditioner control circuit is broken.
+ The temperature sensor on the evaporator coil is faulty.
+ The control circuit of Gree air conditioner is malfunctioning.
Guide to troubleshoot F2 error on Gree air conditioner
Once you've identified the causes of the F2 error code, if you have knowledge about air conditioners, you can repair it at home without needing assistance from service centers. Before proceeding with the repair, ensure that the power supply to the unit is disconnected for safety, then follow these steps:
1. Check the power cable from the sensor to the control circuit
According to the documentation provided by Gree, most F2 errors are caused by insect bites, which lead to the power cable from the temperature sensor to the control circuit being cut off. To fix this, use a screwdriver to remove the evaporator coil cover and check if this power cable is cut.
If you find that the power cable is cut, you'll need to reconnect it; if the plug connection is loose, simply plug it back in to resolve the F2 error.
2. Check Environmental Sensor
If you've checked the sensor's power cable and found no abnormalities, then check if the air conditioner's sensor is still functioning. You'll need a multimeter and set it to the ohm scale, then measure the resistance across the sensor's terminals.
If you see the multimeter needle move and then return to zero, it means the sensor is still working fine. However, if the needle doesn't move at all, it indicates that the sensor is faulty. What you need to do is replace the Gree air conditioner with a new sensor with the same resistance value.
3. Check Control Circuit
Issues with the control circuit of the Gree air conditioner are quite serious, so you should contact authorized service centers or nearby refrigeration stores for the best support.
For control circuit errors, if you don't have expertise in refrigeration air conditioning, you shouldn't attempt to troubleshoot on your own as it may worsen the damage.
Important Notes When Fixing F2 Error Code on Gree Air Conditioner
During the process of fixing the F2 error code on Gree air conditioner, you need to pay attention to the following issues to ensure safety:
+ Turn off the power 30 minutes before checking the signal wires, and outdoor unit circuit board.
+ Use insulated gloves and protective gear to ensure safety.
+ If replacement of components is needed, use genuine products to ensure compatibility and durability.
+ Call the manufacturer's service center or reputable professional air conditioning repair technicians when you are not familiar with refrigeration - air conditioning systems.
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