Code :

Code: 630
Description: CSS Communication Error (Japan Only)
The machine sent a report on its condition, but CSS detected an error. There is a problem on the telephone line between the machine location and the CSS center.
Causes: • No action necessary.

Code: 632
Description: MK1 Communication Error 1: No Answer to ACK
The optional counter device did not send an ACK signal 100 ms after one frame was sent, even after the same data was sent 3 times.
Causes: • Check the serial line harnesses and connectors at the counter device, the relay board, and the controller. • Replace the counter device. • Replace the MCU.

Code: 633
Description: MK1 Communication Error 2: BREAK Received
A LOW break signal was received while the optional counter device was connected to the communication circuit.
Causes: • Check the serial line harnesses and connectors at the counter device, the relay board, and the controller. • Replace the counter device. • Replace the MCU.

Code: 901
Description: Mechanical Total Counter
The mechanical counter is not connected.
Causes: • Check the mechanical counter connection. • Replace the mechanical counter.

Code: 981
Description: HDD Response Errors
Causes: • Check the HDD Connectors. • Check the HDD and make sure that it is not loose. • Update the MCU firmware. • Replace the HDD.

Code: 991
Description: Software Error 1: SCU
There was an unusual operation by the software because of: • An incorrect argument in the program. • An incorrect internal parameter. • Work memory not sufficient. • An error occurred that could not be detected by other SC codes.
Causes: • Set the main power switch to .off. then to .on.. • Go into the SP mode. • Input .0. for SP7405 to display the data for SC991, which includes the software file name, line number, and variable.

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