Replace your ITC/ITS Temperature Sensor Battery
Remove the ITS cover from the wall.
Remove the retaining screw holding the battery cover in place then remove the flat battery.
When replacing the battery, press and hold the Zone Button after removing the dead battery for 5 seconds to remove any residual charge from the circuit.
Replace the battery with a fresh 3V CR2450.
If you have an AirTouch 5, you can check your battery level in System Settings
- Open the Quick Menu
- Tap Settings
- Tap Sensors
- Tap Sensors and Details
When the battery is low, a Low Battery icon will appear near the zone name of the sensor. A good battery will last for around 1 ½ to 2 years. When the battery is flat, the zone will change to % control if there are no other sensors in it.
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