Sonoff 4CH User Guide JAN2018
1.1. Green led quickly blinks one time and repeats, which means device failed to
connect to the router. The reason may be you have entered wrong WiFi password
or your device is too far away from the router, which causes a weak WiFi signal.
The device can not be added to the 5G-wifi-router, only the 2.4G-wifi is OK. At
last, make sure that your router is MAC-open.
1.2. Green led slowly blinks one time and repeats, which means the device has
connected to router and server but failed to be added to the device list. Then power
on the device again, if it still not working, just add the device again.
1.3. Green led quickly blinks twice and repeats, this means the device has connected
to the router but failed to connect to the server. Then please confirm your WiFi
router works normally.
2. Why the APP can’t find the device in pairing status?
Answers: That’s because of your phone’s cache. Please close the WLAN of your
phone then open it after a minute. At the same time, please power off the device if
you can, then power up to try again.
3. My WiFi is expired, can I connect the devices to LAN?
Answers: Currently this product does not support LAN. It must connect to the WiFi
router.
4. The green led keeps off, even if the device is powered on. Press the button but
the device does not work.
Answers: The circuit may be broken, please send it back for testing. Return
shipping postage and packaging will be at buyer’s expense, if the device is
damaged by the buyer, and the buyer should bear extra repair cost.
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