Editorial & technical review
- Written by ApplianceWorth Editorial Team
- Technically reviewed by Victor — appliance technician
- Last reviewed 2026-07-01
- Applies to Samsung dryers
- Confidence medium
- Also displayed as FC
- Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction
What this code means
The dryer detected an abnormal AC power frequency or a fault in the circuit that measures it.
Most likely causes
- Generator, inverter or utility power outside the dryer specification
- An unstable electrical supply
- A damaged power-sensing circuit on the main control
Safe checks for the owner
- Stop the dryer and confirm it is connected to a normal household branch circuit.
- Avoid operating it from an unapproved generator, converter or extension cord.
- Have the supply checked if other appliances are also behaving abnormally.
Estimated U.S. repair cost
$320–$650, depending on model, access, parts availability and local labor.