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Troubleshooting of Regular Malfunctions 11-1
11
Troubleshooting of
Regular Malfunctions
11.1 System cannot be powered on
11.1.1 Module or Board Related
No.
Descriptions
Remarks
1
Battery assembly
2
Power module
3
CPU module
4
Isolation transformer
Failure rate: low
11.1.2 Key Points Supporting Troubleshooting
No.
Key Points Supporting Troubleshooting
Remarks
1
AC power indicator
Located on control panel
2
Power -on status indicator
Backlight of the power button
3
Three Power indicators
1,2,3, located on IO rear board
11.1.3 Troubleshooting
No.
Fault Description
Cause Analysis
Measure
1
Fail to start up when powered by the
battery only, but can start up normally by
AC power supply. After the machine is
powered on, battery alarm appears.
Internal battery
fails;
Related board or
module of the other
power system is in
normal status
Replace
the
battery
2
No AC input, Fail to start up when
powered by the battery; The power on
indicator flash then turn off, battery
indicator flash, succeeding in start up
when AC input and battery can charge
Battery is out of
power
Charge up
Содержание DC-25
Страница 1: ...DC 32 DC 30 DC 28 DC 26 DC 25 Digital Ultrasound System Service Manual Revision 11 0 ...
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Страница 7: ...v Appendix C Requirements of Performance Indices C 1 Appendix D Boot Screen D 1 ...
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Страница 88: ...5 18 Function Checking and Testing ...
Страница 94: ...6 6 Software installation and Maintenance ...
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Страница 211: ...Boot Screen D 1 Appendix D Boot Screen BIOS Boot Screen LINUX Boot Screen ...
Страница 212: ...D 2 Boot Screen Doppler Boot Screen ...
Страница 213: ...P N 046 009019 00 11 0 ...