| Alarm | Definition | Action needed |
| Battery 1: Calibration required | Low priority. You need to adjust the battery. You can still use the battery | For continuous ventilation, replace the battery with a battery of appropriate power |
| Battery 1: Defective | high priority. The battery is defective. If another power supply is connected, continue venting. | • Replacement element. • Provides alternative ventilation. • If the problem persists, repair the fan. |
| Battery 1: Replacement required | Low priority. The battery is out of capacity and needs to be replaced immediately. | • Connect the fan to alternating current (AC). • Replacement element. • If there is no alternative, provide alternative ventilation until the problem is resolved. • If the problem persists, repair the fan. |
| Battery 1: Temperature high | high priority. The battery temperature is higher than expected. | • Keep the fan away from direct sunlight and other heat sources. • Replacement element. • Provide alternative ventilation until the problem is resolved. • If the problem persists, repair the fan. |
| Battery 1: Wrong battery | Low priority. The battery used is not suitable for this ventilator. | • Replacement element. • Connect the fan to alternating current (AC). • Provide alternative ventilation until the problem is resolved. |
| Battery communication error | high priority. There is no battery data. Ventilation will continue. | • Make sure the battery and battery connector are installed correctly. • Make sure the battery pack is closed properly. • If the problem persists, replace the battery. • If the problem persists, repair the fan. |
| Battery low | Low battery warnings have different priorities depending on the age and condition of the battery. Notification priority is set to: as following high priority The ventilator is running on a very low battery. 5 minutes left If a low priority low battery warning occurs while the ventilator is running. The remaining working time may be less than 5 minutes. medium priority The fan runs when the battery is low. low priority The ventilator is running on line voltage and its battery is low. | • Connect the ventilator to the main power supply. • Install a rechargeable battery. • Provide additional ventilation if necessary. |
| Battery power loss | High priority. No battery is present. | • Connect the ventilator to primary power (AC). • Insert a battery. |
| Battery totally discharged | High priority. The battery charge level is below 5%. The ventilator switches to the Ambient state | • Connect the ventilator to primary power (AC). Connecting to primary power also charges the battery. • Immediately provide alternative ventilation until the issue is resolved. • If the problem still persists, have the ventilator serviced. |
