Error code
FC
Meaning
Your dryer is getting the wrong type of electrical power
Moderate
What to do
Why this happens
Possible causes include an irregular power source frequency other than 60Hz, a fault in the power frequency sensor circuit on the PCB, or unstable frequency in the generator/inverter supply.
How to fix it
Make sure the dryer is plugged into a standard household outlet. If the error persists on a regular outlet, have an electrician check your home's electrical supply.
SourceSamsung service manual