Description of Self-diagnosis Test Items C-5
The program will control the system right side buzzer to give off sounds, and popup the dialog box
to ask if you can hear “Ring~~” playing out of the right side machine as shown above. The tests for
right and left side buzzers are the same.
Suggestion when test failed:
Check if the following listed hardware and the related circuits are normal, check if the interfaces are
well welded and if the module is working normally, check the speaker and cable.
C.1.10 Z0308 CP210x Serial Number Test
Test Content
There are two CP210 chips on IO BOX board and DVR board. The serial number in IO BOX is 002,
another in DVR board is 003. The extend port for footswitch is 001
Suggestion when test failed:
1. If test is failed, the serial number of wrong chip will be prompted. Please check the
correspondent chip. If the serial number is repeated, the device cannot recognize.
2. Check if the hardware and related circuits listed below are normal, interfaces are securely
welded, modules are normal.
3. Replacing digital board is recommended.
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