All codes
Service call
SC632
Key counter / accounting device
BCommunications
Level B — stop, power-cycle may clear
First check
Did someone unplug the key counter? SP to disable if the device was removed on purpose.
What it means
Key counter, card reader, or external accounting device is missing or failed.
Likely causes
- Unplugged key counter
- Card reader
- SP still expecting a device
On-site steps
Parts to have on the truck
- Key counter
- Card reader
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.