Wireless Room Thermostat (D) Flat Battery

Owned by Simon Turner
Sept 16, 2024
1 min read

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.