Troubleshooting

Symptom	Possible cause	Solution
The thermostat has gone offline.	The thermostat is not On. The thermostat is no longer in signal range of the Hub.	Turn the thermostat On and Off. Move the Wiser Gateway/Hub closer to the thermostat.
Unable to join to the Wiser Gateway/Hub (blinking red LED)	Poor signal between the Wiser Gateway/Hub and thermostat. The devices have no power (Thermostat/ Wiser Gateway/Hub/ Wi-Fi^® network).	Rejoin the thermostat in the app. Turn on the devices power (Thermostat/Wiser Gateway/Hub/ Wi-Fi^® network).
Unable to set the room temperature by the app.	Wiser Gateway/Hub signal is weak or not connected to the Wi-Fi^® network.	Check for a Wi-Fi^® signal.

Symptom

Possible cause

Solution

The thermostat has gone offline.

Unable to join to the Wiser Gateway/Hub (blinking red LED)

Poor signal between the Wiser Gateway/Hub and thermostat.

The devices have no power (Thermostat/ Wiser Gateway/Hub/ Wi-Fi^® network).

Unable to set the room temperature by the app.

Wiser Gateway/Hub signal is weak or not connected to the Wi-Fi^® network.

Check for a Wi-Fi^® signal.

Status	User Interaction	Description
Find and Blind		When the user press and hold “O” button for > 8 s, "Fb" LED is displayed on the thermostat matrix display. It is a Zigbee function, can be ignored.