Part III Appendix
Description of Self-Test Items 258
Troubleshooting suggestion
a If the test result is NaN, check whether the USB port malfunctions. If not, check whether the
ECG driver is installed. If both check items are normal, replace the ECG board.
2.40 Z1202 ECG Board Self-Test
Upper-level test item
ECG Board Information Test
Test content
The program controls the PC module to read the ECG board register through the USB port and
check the A/D collection and Voltage33 power status.
Test failure analysis
If the test result is Error, the drive malfunctions.
a If the test result is FAIL, the ECG board is faulty.
Troubleshooting suggestion
b If the test result is Error, restart the equipment and re-perform the self-test. If the problem
persists, recover the equipment.
c If the test result is FAIL, replace the ECG board.
2.41 Z1301 File System Test
Upper-level test item
None
Test content
Doppler is installed on a solid-state disk. If Doppler can be started, the solid-state disk functions
properly. Traverse all hard disk files under the Doppler installation directory, compare and verify
the files with the achieved hard disk data.
Test failure analysis
If it prompts that opening the check file fails, the check file does not exist.
If it prompts a CRC failure and current check value (check failure file path and correct check
value), the hard disk data is corrupted.
Troubleshooting suggestion
Recover the hard disk data, replace the CRC file under the Monet directory on disk C with the
CRC_Result.txt in the recovery package.
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