User's Guide

Troubleshooting
25
Problem Possible Reason
Solution
Re mo t e/ A ut o ma tio n
co ntr ol fa ile d.
Siren Alarm does not power on. Please power on the Siren Alarm.
Please follow the “User Guide of YS1603-UC
YoLink Hub” for troubleshooting.
The mobile signal is weak.
Please check after the phone signal is
restored.
Hub is offline.
Other problems.
Please contact customer service.
The toggle button is switched to Off.
Switch the toggle button to H(high),
M(medium) or L(low).
Out of communication range with
hub.
Check the signal of Siren Alarm on
YoLink App.
Other problems. Please contact customer service.