All codes
Service call
SC865
HDD bad sector limit
BController / HDD
Level B — stop, power-cycle may clear
First check
Replace HDD/SSD on this visit.
What it means
Disk is reallocating too many sectors. It will die. Replace now, not on the next call.
Likely causes
- Disk end of life
On-site steps
Parts to have on the truck
- HDD/SSD
Related codes
Confirm the subcode and part number in the FSM for this serial. Raicoh is a field companion, not a replacement for the book.