What Is Daikin Error Code F3? How To Fix Daikin Error Code F3?
by J Nandhini
Updated Feb 03, 2023
What Is Daikin Error Code F3?
F3 error code in Daikin air conditioning systems refers to a communication error between the indoor and outdoor units. This error is commonly caused by a faulty connection or a communication problem between the units. It may also indicate a problem with the communication wiring, the indoor unit's PCB board, or the outdoor unit's inverter board. In some cases, it may also be a result of a malfunctioning remote controller. It is recommended to contact a certified Daikin technician to diagnose and resolve the issue.
Causes Of Daikin Error Code F3
The exact cause of the Daikin error code F3 may vary depending on the model and type of Daikin air conditioning unit, but it generally indicates a problem with the indoor unit's fan. Some common causes of this error code include a malfunctioning fan motor, a blocked fan blade, a broken fan belt, or an issue with the fan's control board. In some cases, the F3 error code may also indicate a refrigerant leak or a problem with the indoor unit's temperature sensor. To resolve the issue, it is recommended to seek the assistance of a qualified HVAC technician.
How To Fix Daikin Error Code F3?
The cause of the Daikin error code F3 and the solution to fix it may vary depending on the specific system and circumstances. However, some common causes and fixes for this error include:
Malfunctioning indoor unit fan: If the indoor unit fan is not functioning properly, it can cause the F3 error code to appear. The solution is to have the fan repaired or replaced.
Blocked air filter: A dirty or blocked air filter can cause a F3 error code to appear. Clean or replace the air filter to fix the issue.
Malfunctioning thermistor: The thermistor is responsible for measuring the temperature of the indoor unit. If it is not functioning properly, it can cause an F3 error code. Have the thermistor repaired or replaced to resolve the issue.
Low refrigerant levels: If the refrigerant levels are low, the system may display an F3 error code. Contact a licensed HVAC technician to diagnose and repair any refrigerant leaks.
Circuit board malfunction: A malfunctioning circuit board can cause an F3 error code to appear. Have the circuit board repaired or replaced by a licensed HVAC technician.
If the error code persists even after trying the above steps, it is recommended to seek assistance from a professional HVAC technician or contact Daikin customer support for further troubleshooting.
What Is Daikin Error Code F3? - FAQs
F3 error code in Daikin air conditioning systems refers to a communication error between the indoor and outdoor units.
Check the above article to fix the error