All codes
Service call
SC330
LD unit no initial setting
BLaser / write
Level B — stop, power-cycle may clear
First check
Laser never initialized after a unit swap. Reseat, power cycle, replace LOSU.
What it means
LD unit no initial setting. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Laser never initialized after a unit swap. Reseat, power cycle, replace LOSU.
On-site steps
Parts to have on the truck
- LOSU
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.