| Fault Phenomenon | Judgement and Solutions |
| The light of the whole machine does not flash when opening the power switch. | The plug pin of POWER is loose or the fuse of POWER interface is burned. |
| Pressure tune button is not smart. | Please add the lubricant oil in the corner of leadscrew of tune button. |
| When pressing the handle downward,it will flip automatically. | Please adjust the pressure handwheel downward. |
| It is hard to lift it up when pressing the handlebar to end. | Please adjust the pressure handwheel upward or by anticlockwise |
| Insufficient temperature | Set the temperature lower in the instrument and set it higher. |
| Heat board remains cold when adding temperature. | Instrument fault,relay in the electrical container does not work or the heat board is burned. |
| When time reaches,buzzer can’t alarm automatically. | Count sensor switch has a problem on contacting both side upper and down. |
