Mindray Datascope AS 3000, Руководство по обслуживанию

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Tr
oubleshooti
ng Char
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Repair
Inf
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ation
3 - 4
0070-10-0683
AS3000™ Ser
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3.5 Troubleshooting Chart
The following table shows common symptoms and corrective actions for problems when troubleshooting the AS3000 . The information given
indicates failures during startup and runtime.
3.5.1 Common Symptoms and Corrective Actions for Field Service Technicians
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION
“BDU Communication . . .
FAIL” Startup test 1 The power supply switch is turned to ON,
immediately after turned to OFF, which
makes the time too short for the BDU control
board power to reboot.
2 The data wire is disconnected or damaged.
3 The BDU control board is defective.
1 Turn the power supply switch to OFF and
power on again after waiting for a while (1 - 2
seconds).
2 Check whether the data wire (signal wire at
backside of display) is disconnected or is
damaged.
3 Replace the BDU control board and perform
each item of calibration and startup test again.
“Software Version . . . FAIL” Startup test 1 Software versions of GUI, BDU and
Keyboard are incompatible.
2 The power supply switch was turned ON,
and OFF quickly.
3 The data wire is disconnected or damaged.
4 The BDU control board is defective.
5 The keyboard board is defective.
1 Update software version.
2 Turn the power supply switch to OFF, wait 1 -2
seconds, then power on again.
3 Check whether the data wire (signal wire at
backside of display) is disconnected or is
damaged.
4 Replace the BDU control board and perform
each item of calibration and startup test again.
5 Replace the user interface assembly.
“BDU EEPROM Data . . .
FAIL” Startup test 1 Data stored in EEPROM on BDU control
board is lost (checksum error)
2 The BDU is defective
1 Startup. Then perform each item of the
calibration and startup test again.
2 Replace the BDU board
“EEPROM IC . . . FAIL” Startup test 1 The BDU control board is defective or its
EEPROM is damaged. 1 Check that the EEPROM (BDU U12) is
connected correctly, or Replace the EEPROM
and BDU control board, and perform each
item of the calibration and startup test again.
“BDU WDT . . . FAIL” Startup test 1 The Watch Dog Timer in the digital signal
processor on the BDU control board is
damaged. 1 Replace the BDU control board, and perform
each item of calibration and startup test again.
“AD/DA . . . FAIL” Startup test 1 The AD or 4052 in the digital signal
processor on BDU control board is
damaged. 1 Replace the BDU control board, and perform
each item of the calibration and startup test
again.