RaicohField service
All codes

Service call

SC324

LD drive current over

ALaser / write

Level A — stop, SP reset after repair

First check

Laser diode over-current. Replace LOSU. Do not open the housing.

What it means

LD drive current over. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.

Likely causes

  • Laser diode over-current. Replace LOSU. Do not open the housing.

On-site steps

Parts to have on the truck

  • Laser optics unit

Related codes

SC240

Confirm the subcode and part number in the FSM for this serial. Raicoh is a field companion, not a replacement for the book.