Bresser weather station not syncing with outdoor sensor

Hello

I understand well that it is not possible to know everything, but we can have an idea about a common issue with several brands. That said, a photo is more explicit.

I would like to disassemble the outdoor module; I think it’s the same for several brands of stations.

Where can I find the station's frequency?

Thank you for your help.

Here is the notice in French https://www.bresser.de/out/media/55fee4b5ab0041b795848151b2f5dac3.pdf

The frequency is 868 MHz, which is the same frequency as alarms and garage doors..!!

Some reading on the subject http://www.blog-alarme.com/les-frequences-dalarme-434mhz-ou-868mhz/

I want to imply that beyond the batteries and the rain, these connections can be disrupted over several kilometers by other emissions that drown them out, in a distant neighborhood..??

See if there are any new installations, alarms or garage doors, antennas etc... and other "wireless" gadgets

It also uses Wifi... but for what..??... the 868 MHz must be for transmitting to the display... Does it need a battery..? If it's on the roof, it’s a hassle... In my opinion, that's what’s not working... either the battery needs to be changed, or the inside is all oxidized..??

I read that there is a 5-year warranty... but not for the battery.

For example, I once knew of a wireless video surveillance system in a parking lot... that prevented cars from starting... by pushing them 50m further, the start worked normally..... They had to dismantle everything and find another solution.

Hello,

You mention what still works... but not what no longer works..?? We don't know all the stations in the world..

Generally, these devices are not of "Marine" quality and suffer from external weather conditions, in particular.

The batteries oxidize, the copper circuit board has interruptions and/or short circuits etc... and it stops working over time...

You need to know the operating frequencies to diagnose...etc...

Hello

As I mentioned in my first message, I changed the batteries of the module on the roof. I already have the user manual, thanks anyway. As for new disturbances, I live in the countryside, I have two neighbors and I know there is nothing on that side. Moreover, the failure occurred at night! And as I mentioned in my first post, the wind speed is always indicated.

Thank you for your advice. To be continued.

OK, I didn't know you were in the fields... But I read that it could go up to 10 km..!!

Your wind display (speed, direction) may be frozen since the last measurement... does it vary..?? And is it really true..??

It may also be self-powered by the current from the anemometer..?? And it doesn't need a battery while for the rest it's different..?? Or a loose wire on a terminal..?? We don't know what the operation diagram looks like..

I would really like to have the diagram of how it works. I'm going to try to lower the roof module and take it apart. Maybe the circuit is damp...

yes, I believe the answer lies behind things like that..

Have you gone through the forums..?? to see if some common issues arise with these devices? It could be a clue.

Hello

on the Bresser website in German I found instructions for my issue, I'm testing and I'll get back to you.

Hello
I don't think I have any equipment around that could cause interference. What surprises me is that it happened when I replaced the batteries with new ones. For your information, the base station runs on mains power. However, there is a button cell inside; I think it's to keep my settings in memory in case of a power outage. Of course, I followed the instructions on the Bresser website and also changed this button cell. I opened the outdoor station, but everything seemed fine, no loose or cut wires and the circuit looks to be in good condition. Before reassembling, I gave it a light blow with a hairdryer in case there was any moisture. I repeated the process of removing the batteries, etc., but nothing. I will try to repeat the process several times. We'll see.

OK, yes, this button cell is certainly for keeping the configuration memory... let’s see a bit more. Did you measure this battery..? Depending on the technology, it’s either 1.5 volts or 3.3 if it’s lithium... you never know.

This coincidence is curious; it could be bad contacts with the batteries, but it could also be the power cut that is causing the loss of settings and crashing everything... but there should be recommendations on how to change the batteries...

There are still places without too much electromagnetic bombardment...!

Hello

As I said, I changed this battery following Bresser's recommendations. And getting information from Bresser is a nightmare.

Hello, the culprit is the temperature and humidity sensor to be replaced with this one: https://fr.aliexpress.com/item/1005003471729671.html?spm=a2g0o.order_list.order_list_main.5.21ef5e5bfRMlmM&gatewayAdapt=glo2fra
You just need to make some space and be careful with the wiring which is not in the same order

Less than €7 for the 2 sensors