Mediana YM6000, Service Manual

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Troubleshooting 51
YM6000 Service Manual
Trim knob and Buttons
The following are symptoms of problems and recommended actions relating to
buttons, If the action requires replacement of a PCB assembly, refer to Disassembly
Guide.
1. The monitor fails to power ‐ up when Power button is pressed.
1 ‐ 1 Take steps as noted in paragraph Power in Performance Verification section .
2. The monitor powers ‐ up, but some or one of the other buttons respond.
2 ‐ 1 Ensure the key wire is connected to the key board assembly and the main
board. If connection is good, change the key board assembly.
2 ‐ 2 If problem persists, change the main board.
3. When the trim knob is rotated, no highlight appears on display screen, and/or
the monitor does not respond to the trim knob presses.
3 ‐ 1 Ensure the encoder wire is plugged into the main board. If connection is
good, change encoder assembly.
3 ‐ 2 If problem persists, replace the main board.
NIBP
The following are symptoms of problems relating to NIBP functions and
recommended actions. If the action requires replacement of a PCB or module, refer to
Disassembly Guide .
1. The cuff does not inflate.
1 ‐ 1 Ensure the cuff hose is not folded and NIBP tube inside of the monitor is not
blocked or kinked.
1 ‐ 2 If problem persists, replace the NIBP module.
1 ‐ 3 If problem persists, replace the main board.
2. Alarm Message C11 or E03
2 ‐ 1 Ensure the cuff hose is not folded and NIBP tube inside of the monitor is not
blocked or kinked.
2 ‐ 2 If problem persists, replace the NIBP module.
2 ‐ 3 If problem persists, replace the main board.
3. The NIBP value is not reliable.
3 ‐ 1 Perform the pressure sensor accuracy test and air leakage test.
3 ‐ 2 If problem persists, replace the NIBP module.