All codes
Service call
SC800
Startup without video output end
BController / HDD
Level B — stop, power-cycle may clear
First check
Engine never finished sending video at boot. I/F cable, then IOB/controller.
What it means
Startup without video output end. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Engine never finished sending video at boot. I/F cable, then IOB/controller.
On-site steps
Parts to have on the truck
- Engine I/F
- IOB
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.