Description of Self Test Items C-21
UART interconnection between MF FPGA and battery management’s ARM goes wrong if the test
fails.
Suggestion to failure test
Restart the device to perform the self test if the test result appears Error. It is necessary to restore
the device (OS+doppler) if Error re-appears.
It is recommended to replace the battery management board if the test result is FAIL.
C.1.44 Z1502 Battery I2C Interconnection Test
Top test item
Communication test between MF FPGA and battery management ARM
Test content
Read the position of battery via SM serial port, and test whether 12C interface communication
between battery and battery management ARM works well.
Analysis to test failure
The drive goes wrong if the test result appears Error.
The interconnection between left battery and battery management ARM goes wrong if the test
result is FAIL.
Suggestion to failure test
Restart the device to perform the self test if the test result appears Error. It is necessary to restore
the device (OS+doppler) if Error re-appears.
It is recommended to replace the battery, and then replace battery management board if the test
result is FAIL.
C.1.45 Z1503 Battery Test
Top test item
12C interconnection self test of battery
Test content
Read the voltage, temperature, current, volume and charging times, etc., of the battery via SM
serial port.
Analysis to test failure
The drive goes wrong if the test result appears Error.
The interconnection between the battery and battery management ARM goes wrong if the test
result is FAIL.
Suggestion to failure test
Restart the device to perform the self test if the test result appears Error. It is necessary to restore
the device (OS+doppler) if Error re-appears.
It is recommended to replace the battery if the test result is FAIL.
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