Error code
bC2
Meaning
A button on the control panel is stuck or shorted
Moderate
What to do
Why this happens
Potential causes include a short in the display PCB key circuit, malfunctioning display PCB, a button stuck or jammed on the control panel, or moisture/debris causing a short.
How to fix it
If a button is stuck, try gently pressing around its edges. If the error keeps appearing, the control panel may need replacing — a technician can handle that.
SourceSamsung service manual / Customer Repair Guide