Sonoff 4CH - Power On and Device Pairing; Add the device

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Sonoff 4CH User Guide JAN2018
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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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