Error code
tC5
Meaning
A secondary temperature sensor is giving bad readings
Moderate
What to do
Why this happens
Potential causes include a clogged lint screen restricting airflow, restricted vent system leading to abnormal temperature readings, or Thermistor2 resistance being out of range due to an open circuit or short.
How to fix it
After cleaning lint and checking the vent, if the error persists, the secondary temperature sensor needs replacing. This one needs a professional technician.
SourceSamsung service manual / Customer Repair Guide