User`s manual

BD2-2860 User’s Manual
CITIZEN
24
8. ERROR HANDLING
8.1 Peripheral Circuit Errors
These errors are detected at power-on or initialization just after a reset.
(1) Error Types
Error Description
Memory error The CPU made a self-diagnosis of the circuit and detected an error with the external
RAM.
Cutter error With the auto cutter enabled at the function selection terminal (DS1-1), the auto
cutter (ACS-220-5V) is not connected to the cutter connector (CN4).
(2) External signal outputs
Interface Connector (CN3)
Pin No. Signal Name Remarks
20 ERROR LED output. For a blinking pattern, see 8.3 Error Indication.
22 DTR Serial interface
27 BUSY Parallel interface
38 FAULT Parallel interface
(3) Resetting methods
Error Resetting Method
Memory error Unrecoverable
Cutter error After turning off the power, connect the auto cutter (ACS-220-5V) or turn off the
function selection terminal (DS1-1) and turn on the power again.