All codes
Service call
SC634
Key / card counter device error
BCommunications
Level B — stop, power-cycle may clear
First check
Same as 632.
What it means
Accounting device reported an error.
Likely causes
- Device
- I/F
On-site steps
Parts to have on the truck
- Key counter I/F
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.