Smart thermostat sensor not detected
4.5
Remote room sensors are not communicating with the main unit.
Symptoms
- "Sensor Offline"
- Wrong temp for room
- Battery low warning
Possible Causes
- Dead sensor battery
- Too far from base
- Interference
Step-by-Step Fix
1
Replace Battery
Most sensors use CR2032 or CR2477 batteries; replace them yearly.
2
Move Sensor Closer
Walls and furniture can block the low-power signal (Bluetooth/Zigbee).
3
Re-pair Sensor
Remove the sensor from the app and add it again.
When to See a Technician
Remote sensors are vital for balancing temperatures in two-story homes. Ensure they have a clear line of sight to the base.
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