Alarm sound ten gear adjustable: 1.Bubble alarm: stop the infusion when a gas bubble appears in the infusion line. 2.Open the door to the police; 3.Blocking alarm: 40 Kpa ~ 90 Kpa (200~1200mmHg), 3 levels adjustable, two units optional (Kpa or mmHg); 4.After losing the alarm; 5.Pause timeout alarm: infusion pause for more than 2 minutes (pause time can be set); 6.Leakage alarm: the leakage accumulation exceeds 10 drops when stopping; 7.Empty bottle alarm: no drip detected at 10 laps or circle 2 of infusion state; 8.Abnormal drip detection: the drip detection error caused by liquid level rise (calculate more drops); 9.Abnormal infusion speed: the motor speed continuously exceeds 50% of the initial value within 30 circles of the pump body; 10. Tube type setting error: pump body rotation and drop number is too different (200%); 11. Battery undervoltage alarm: less than 9.6V, after the power supply time can be more than 30 minutes. 12. Battery depletion alarm: maintain the alarm for more than 3 minutes, and then automatically shut down. 13.Motor reversal alarm. functional parameter system diagnostics: 1.Abnormal switch power supply: over 15V or less than 10V; 2.Battery damage or detachment: the battery voltage is lower than 5V; 3.Abnormal drip sensor: sensor falling off or not receiving self-test pulse signal during self-test; 4. Abnormal bubble sensor: the normal logic alarm during self-test, each startup self-test;