Error code
5C
Meaning
The water collection tank is full or the drain is blocked
Moderate
What to do
Why this happens
Possible causes include a clogged drain hose, malfunctioning float sensor or water sensor, and drain pump failure or malfunction.
How to fix it
Empty the water tank and clean the drain filter. If the error continues with an empty tank, the drain pump or float switch may need service — a technician can help.
SourceSamsung service manual