PNI PT225S Manual De Usuario página 10

Troubleshooting
If the detector does not work properly, check the
following:
1. Check if the battery is discharged. Replace the
battery.
2. Periodically clean the detector.
3. Check that you have installed the detector
correctly.
4. If the test alarm does not send a notification on
the phone, make sure that the distance between the
detector and the WiFi router is within 10 meters.
10 - User manual