Wireless Room Thermostat (D) Flat Battery

Owned by Simon Turner
Sept 16, 2024

This article is an excerpt from the Genius Hub Doctor, which is built into the App.

These instructions are provided so that the step-by-step information is available to users, but please note that these actions should generally be carried out whilst using the Doctor.

To access the Doctor, click here

Solution ID: 7755

Step 1

The batteries are flat in the Wireless Room Thermostat and the Thermostat will have stopped working altogether. The screen should always display a temperature when a button is pressed. If the screen does not display anything, the device does not have power.

First, remove the Room Thermostat from its backplate using a flat bladed screwdriver and placing this in the cutout in the underside of the device, before levering the front away.


Step 2

Remove the 3 x AA batteries, (note the orientation of the batteries, which is also indicated on to the side of the battery compartment).

Wait 30 seconds before putting in the new batteries.


Step 3

Put in the 3 x new AA batteries.

Rechargeable batteries should not be used as their voltage is too low (1.2v not 1.5v).


Step 4

Select the Room Thermostat with the flat battery

The Doctor will ask you to select the relevant device


Step 5

The Doctor will communicate with the device



Step 6

Wake up the device by pressing the middle button once.


Step 7

The Doctor will check that the device is configured correctly



Step 8

Fit the Room Thermostat onto the backplate by aligning it at the top and rotating it down to meet at the bottom.