10.18.3. Replacement of a battery in the remote control

The lithium CR2032 battery of 3 V is installed in the remote control.
Supply voltage is normal if when pressing buttons of the panel there is a short-term flash of the LED indicator.
Tension is lower than norm if when pressing panel buttons the LED indicator lights up two short flashes or does not light up at all.
You will need screw-drivers with a flat and crosswise edge.
1. Turn out the screw of fastening of a cover of the case of the panel …
2. … disconnect a cover from the case …
3. … and, overcoming clamp resistance, take a battery.
4. Establish a new battery and collect the panel as it should be, the return to removal. At installation of an element pay attention to polarity of connection of an element.