Smart ZB Thermostat 16 A
Showing demand - temperature control modes
Status User Interaction Description
Heating demand
The matrix display a solid red LED to
indicate the thermostat is heating when the
setpoint is higher than the current room
temperature.
Temperature display
Status User Interaction Description
Temperature below minimum display value
OR
Temperature reading error.
Note: The thermostat matrix displays
temperature limits -9 °C to 99 °C.
The thermostat matrix display flashes “--”
When the temperature is below -9 degrees.
OR
The thermostat matrix display flashes “--”
when the thermostat cannot determine the
temperature due to an error.
Temperature above maximum display value
Note: The thermostat matrix displays
temperature limits -9 °C to 99 °C.
The thermostat matrix display flashes “+ +”
when the temperature is above 99 degrees.
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 ELKO Smart Hub closer to
the thermostat.
Unable to join to the ELKO Smart Hub
(blinking red LED)
Poor signal between the ELKO Smart Hub
and thermostat.
The devices have no power (Thermostat/
ELKO Smart Hub/ Wi-Fi
®
network).
• Rejoin the thermostat in the app.
• Turn on the devices power
(Thermostat/ ELKO Smart Hub/ Wi-Fi
®
network).
Unable to set the room temperature by the
app.
ELKO Smart Hub signal is weak or not
connected to the Wi-Fi
®
network.
Check for a Wi-Fi
®
signal.
DUG_ZB Thermostat 16 A_ELKO-00 43