Tyco Nellcor OxiMax N-600X malfunction

Processing measures:

1. Connect the machine to ac, and the ac indicator light is on. Press the key to start the machine. The initial judgment is to press the button plate fault (button lamination)

2. Replace the button panel, connect with alternating current, press the power on button to power on, connect with the blood oxygen probe, no blood oxygen waveform and value appear, and change the blood oxygen probe still fails. The initial diagnosis of the fault is the blood

oxygen plate fault.

3. Replace the blood oxygen plate and connect it with the alternating current to measure the blood oxygen, but the measurement will make the sound unusually loud and harsh.

4. Replace the main board, install the machine, measure blood oxygen again, and there is no fault report and troubleshooting!