C-8 Description of Self-diagnosis Test Items
C.1.16 Z0502 Battery I2C Interconnection Test
Test Content
The super stratum test item：Z0401 MF and Back-End Power ARM Interconnection Test.
Check if the I2C communication bus between the battery and back-end power management ARM
works normally.
Suggestion when test failed:
1. 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.
2. Replacing back-end power board is recommended.
C.1.17 Z0601 LCD Monitor I2C Connection Test
Test Content
The super stratum test item：Z0201 PC Module and MF FPGA Interconnection Test.
Check if the I2C communication serial port between the multifunction FPGA and LCD monitor. This
item will open the screen-saver and then recover. Brightness of LCD will turn down and then
recover.
Suggestion when test failed:
1. 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. The screen-saver of setting will be
closed after shutting down.
2. Check LCD and then to see if there is the need to change digital board.
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