Electrolux Air Conditioner Error Code F8

The F8 code means the inverter control system has detected overcurrent at the compressor and has reduced the compressor frequency to protect the unit. The two primary causes are input supply voltage that is too low or refrigerant system pressure that is too high. The unit will continue to operate in a derated state until the underlying condition is corrected. Both voltage and system pressure should be checked before further diagnosis.

The unit has reduced compressor frequency to protect itself, so it is not operating at full capacity and may not cool adequately. Continuing to run the system without addressing the root cause can put ongoing stress on the compressor and inverter components. It is advisable to diagnose and correct the issue promptly rather than running the unit indefinitely in this derated state.

Repair costs vary widely depending on the cause. Cleaning a condenser coil is typically an inexpensive service call ranging from around 75 to 150 dollars. Replacing a condenser fan motor can range from 150 to 350 dollars including parts and labor. Refrigerant system work, such as correcting an overcharge or replacing an expansion valve, can range from 200 to 600 dollars or more. Replacing an inverter control board is generally the most expensive repair, often falling between 300 and 700 dollars depending on the model.

Some causes of F8 can be addressed without professional help, such as cleaning a dirty condenser coil or identifying a shared circuit that is causing voltage sag. However, checking refrigerant system pressure requires gauges and EPA certification to handle refrigerants, so those steps must be performed by a licensed technician. Electrical measurements at the terminal block should only be taken by someone comfortable working safely with live voltage.

A power reset may temporarily clear the F8 code, but if the underlying cause, such as low voltage or high system pressure, has not been corrected, the error will return once the unit attempts to run the compressor again. Resetting without addressing the root cause is not a repair and can delay proper diagnosis. The code should be treated as a symptom of a condition that requires investigation.