All codes
Service call
SC855
Wireless LAN card error
BController / HDD
Level B — stop, power-cycle may clear
First check
WLAN card missing or failed. Reseat the card. If the site is wired-only, remove it and disable WLAN in SP.
What it means
Wireless LAN card error. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- WLAN card missing or failed. Reseat the card. If the site is wired-only, remove it and disable WLAN in SP.
On-site steps
Parts to have on the truck
- WLAN card
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.