All codes
Service call
SC818
Watchdog / software malfunction
AController / HDD
Level A — stop, SP reset after repair
First check
Watchdog fired. Same triage as SC819 — firmware, disk, then controller.
What it means
Watchdog / software malfunction. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Watchdog fired. Same triage as SC819 — firmware, disk, then controller.
On-site steps
Parts to have on the truck
- Firmware
- HDD/SSD
- Controller
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.