| Common Problem | Question Type | Possible Cause | Solution |
| FAQ for SpO2 Sensor &Extension Cable | I,No Blood Oxygen,No luminescence | 1.Luminescent pipe was broken | Contact manufacturer |
| 2.The luminous tube side cable short circuit | Contact manufacturer |
| 3.Machine-end connection is bad | Connect the ends of the machine |
| 4.Incorrect polarity | Contact manufacturer |
| 5.The plug is too loose, could not receive the host signal | Contact manufacturer |
| II,No Blood Oxygen and waveform | 1.Receiver tube anomalies | Contact manufacturer to repair |
| 2.Unstable, luminescence, receiver tube circuit breaker | Contact manufacturer to repair |
| 3.Incompatible | Choose the right compatible model |
| 4.Light-Leaking Seriously | Re-use according to the instruction manual |
| 5.Probe selection error | According to the machine instructions to select the correct probe |
| 6.Testing position there is no alignment LEDs and receiver | Re-use according to the instruction manual |
| 7.Patient Attention is too low try several measurements | Please go to the hospital for accurate diagnosis |
| 8.The fingers are trembling or the patient's body is moving | Don’t Move |
| III,The skin of the test site is red and swollen | The probe has not been loosened for a long time | Long term test finger where you need change the test every 4 hours |
| IV,display on Blood oxygen values,luminescence,but the blood oxygen is low | Incorrect polarity | Contact manufacturer |
| FAQ for ECG Cable and lead wires | I,ECG cannot be displayed correctly | 1.Lead wires or ECG Cable cannot compatible | Please contact our sales to select correct model |
| 2.Cable doesn’t work,incorrect polarity | Contact supplier |
| 3.Machine end or patient end connect incorrectly | To connect the ECG cable well |
| II,The waveform is unstable and the burr is too more | 1.Some other machine interfere around | Remove interfering machine |
| 2.Patient is shaking | Make patient stop to shake and has remained relatively static |
| 3.Cable anti-interference is poor | To contact supplier |
| NIBP CUFF & see Attachment for common faults | The blood pressure showed incorrect | 1.The machine end connection incorrect | Connect the ends of the machine |
| 2.Patient is shaking | Patient stop to shake and has remained relatively static |
| 3.Repeated test in a short time | Re-test after 15minutes |
| 4.Host exception | Replace the host |
| 5.Testing parts of the sleeves tied up is incorrect | According to the icon shows and binding the position of cuff |
| 6.Selected a wrong size of cuff | To select a suitable cuff according to patient and machine |
| FAQ for Temp Probe and extension Cable | Temperature shows incorrect | 1.Host exception | Replace the host |
| 2.Probe or connect cable incompatible with machine | Select compatible model according to manual illustration |
| 3.Probe or cable has broken | To replace new probe or extension cable |
| 4.Machine end connect incorrect | Connecting the cable and end of machine well |