Sonoscape S30 - System Troubleshooting; On-Site Inspection; Fault Identification; Fault Resolution

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Service Manual
10 System Troubleshooting
10.3 System Troubleshooting
Ensure you are similar to the internal system structure, software installation, parts assembly,
corresponding principles and you can make a correct fault diagnostics before you attempt to service
the system.
NOTE:
● If the ultrasound system requires a password to continue during startup, type the password
(consist of case-sensitive letters and numbers, taping
Shift
to change letter case), tap
Enter
,
and reboot the system. You can get the password from the manufacturer.
● If the ultrasound system cannot work normally or abnormal startup screen is display, you
can ignore serial port or keyboard failure as follows. Firstly, ensure the serial port of the
main board is connected well, touch screen communicates well with the ultrasound system.
Secondly, ensure there are no failure keys and knobs. Lastly, tap all keys on the touch
screen to ensure their performance.
10.3.1 On-Site Inspection
Get detailed information from the user before the on-site inspection, including system working
environment, fault description, fault frequency and frequency of system being moved.
1. Check power supply and operating environment of the ultrasound system, also get a knowledge
of local weather.
2. Make a detailed record of the system malfunction, including malfunction duration and fault cause
proposed by the user, and then make an initial solution plan with a reference to Chapter 3 or your
experiences.
10.3.2 Fault Identication
1. If there is burn smell from the ultrasound system, identify the burned board by checking power
supply, VHV board, VBF board and main board successively.
2. Ensure all connection cables, especially hard disk cables, USB cable between the main board
and the VBF board, power supply cable, are complete and connected well before servicing the
ultrasound system.
10.3.3 Fault Resolution
1. Disassembly Parts
Observe and record the location and connection direction of parts when you replace them. The
parts in incorrect location or connection direction may result in system startup failure, system
malfunction, board burning, or even serious damages.
2. Replace Parts
Replace failure parts one by one and test it after each replacement until the fault is solved. You
are not recommended to replace failure parts before system test. Meanwhile, make a detailed
record of the replacement sequence.