Revision:1.0(2023-01-12)
399
The USB port failed to recognize the connected USB drive.
Involved FRU
PC module assembly and main board assembly
Severity
Maintenance as soon as possible
Handling Level
Contact the device provider for onsite handling.
Possible Cause
1. The USB drive is faulty.
2. The PC module is faulty.
3. The USB port on the main board is damaged.
Resolve Path
1. Check whether the USB drive can be recognized on the PC. If not, the USB drive is faulty.
2. If no USB drive can be recognized and the touch screen does not respond, it is probably that
the PC module is faulty.
3. If the USB port on the rear of the main unit is abnormal, the main board is faulty.
Solution
1. Replace the USB drive.
2. Replace the PC module. For details, refer to 7.11.2
Disassembly and Assembly.
3. Replace the Main Board Assembly. For details, refer to 7.13.2
Disassembly and Assembly.
88..33..77..44 The wired network is disconnected or abnormal.
Fault Description
The wired network is disconnected or abnormal.
Involved FRU
Main board assembly and PC module assembly
Severity
Maintenance as soon as possible
Diagnostic Ultrasound System
Service Manual
8 Troubleshooting
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