After replacing the 2 AA batteries in the sensor of my AWS it is no longer connecting to the main unit. I get the 4-second red light after replacing the batteries but it will not synchronise.
When I replaced the 3 AA batteries on the main console the station remained active - I wonder if it draws a current from the PC it is connected to?
Anyway do I need to disconnect the lead from the PC to enable the console to 'switch off' and reset?
The unit has been working, uninterrupted, since May 2013 - so it has had a good run in terms of battery life.
Is it possible though that because these units are relatively cheap it is now a good idea to get a new one.

Apart from windspeed measurements I can continue my daily readings using manual instruments

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On 09/09/2015 16:35, Scott W wrote:
After replacing the 2 AA batteries in the sensor of my AWS it is no longer connecting to the main unit. I get the 4-second red light after replacing the batteries but it will not synchronise.
When I replaced the 3 AA batteries on the main console the station remained active - I wonder if it draws a current from the PC it is connected to?
Anyway do I need to disconnect the lead from the PC to enable the console to 'switch off' and reset?
The unit has been working, uninterrupted, since May 2013 - so it has had a good run in terms of battery life.
Is it possible though that because these units are relatively cheap it is now a good idea to get a new one.

Apart from windspeed measurements I can continue my daily readings using manual instruments

I had a similar problem and fixed it by clearing the console of data.
Well, it worked after I did that anyway! I think I disconnected from the
PC as well - after closing Cumulus down.

On 09/09/2015 17:20, Metman2012 wrote:
On 09/09/2015 16:35, Scott W wrote:
After replacing the 2 AA batteries in the sensor of my AWS it is no
longer connecting to the main unit. I get the 4-second red light after
replacing the batteries but it will not synchronise.
When I replaced the 3 AA batteries on the main console the station
remained active - I wonder if it draws a current from the PC it is
connected to?
Anyway do I need to disconnect the lead from the PC to enable the
console to 'switch off' and reset?
The unit has been working, uninterrupted, since May 2013 - so it has
had a good run in terms of battery life.
Is it possible though that because these units are relatively cheap it
is now a good idea to get a new one.

Apart from windspeed measurements I can continue my daily readings
using manual instruments

I had a similar problem and fixed it by clearing the console of data.
Well, it worked after I did that anyway! I think I disconnected from the
PC as well - after closing Cumulus down.
-------------------------------------------------
Have spoken to Scott by PM but for anyone new to these machines there is
an exact sequence required when replacing batteries and it sometimes
takes a couple of goes. Generally disconnecting and reconnecting the
various components sorts it. Despite the odd glitch here and there mine
has now been running for 7 years - not bad for £80 !
Dave
www.laindonweather.co.uk