All codes
Service call
SC191
Barcode scanning error
BScanner / optics
Level B — stop, power-cycle may clear
First check
Optional barcode unit. Disable the option or reseat it.
What it means
Barcode scanning error. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Optional barcode unit. Disable the option or reseat it.
On-site steps
Parts to have on the truck
- Barcode unit
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.