Hi guys,
I just installed for the first time a Davis Airlink and I want to integrate 
it in WeeWX with which my Davis VP2 already works. I followed the 
instructions on the weewx-airlink page 
<https://github.com/chaunceygardiner/weewx-airlink>, but for some reason it 
is not working . Here is some log:

May 25 16:11:01 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Could not get concentrations from any source.
May 25 16:11:01 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:03 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:05 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:07 StazioneMeteoiisCeccano weewx[32034] INFO user.airlink: 
last_report_time must be time since boot: 85441 seconds.  Record: {'data': 
{'did': '001D0A100829', 'name': 'IIS Ceccano', 'ts': 85441, 'conditions': 
[{'lsid': 522424, 'data_structure_type': 6, 'temp': 92.0, 'hum': 26.5, 
'dew_point': 52.7, 'wet_bulb': 60.0, 'heat_index': 89.8, 'pm_1_last': 4, 
'pm_2p5_last': 5, 'pm_10_last': 5, 'pm_1': None, 'pm_2p5': None, 
'pm_2p5_last_1_hour': None, 'pm_2p5_last_3_hours': None, 
'pm_2p5_last_24_hours': None, 'pm_2p5_nowcast': None, 'pm_10': None, 
'pm_10_last_1_hour': None, 'pm_10_last_3_hours': None, 
'pm_10_last_24_hours': None, 'pm_10_nowcast': None, 'last_report_time': 
85441, 'pct_pm_data_last_1_hour': None, 'pct_pm_data_last_3_hours': None, 
'pct_pm_data_nowcast': None, 'pct_pm_data_last_24_hours': None}]}, 'error': 
None}
May 25 16:11:07 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Could not get concentrations from any source.
May 25 16:11:07 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:09 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:11 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:12 StazioneMeteoiisCeccano weewx[32034] INFO user.airlink: 
last_report_time must be time since boot: 85446 seconds.  Record: {'data': 
{'did': '001D0A100829', 'name': 'IIS Ceccano', 'ts': 85446, 'conditions': 
[{'lsid': 522424, 'data_structure_type': 6, 'temp': 92.1, 'hum': 26.7, 
'dew_point': 53.0, 'wet_bulb': 60.3, 'heat_index': 89.9, 'pm_1_last': 4, 
'pm_2p5_last': 4, 'pm_10_last': 4, 'pm_1': None, 'pm_2p5': None, 
'pm_2p5_last_1_hour': None, 'pm_2p5_last_3_hours': None, 
'pm_2p5_last_24_hours': None, 'pm_2p5_nowcast': None, 'pm_10': None, 
'pm_10_last_1_hour': None, 'pm_10_last_3_hours': None, 
'pm_10_last_24_hours': None, 'pm_10_nowcast': None, 'last_report_time': 
85446, 'pct_pm_data_last_1_hour': None, 'pct_pm_data_last_3_hours': None, 
'pct_pm_data_nowcast': None, 'pct_pm_data_last_24_hours': None}]}, 'error': 
None}
May 25 16:11:12 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Could not get concentrations from any source.
May 25 16:11:13 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:15 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:16 StazioneMeteoiisCeccano weewx[32034] INFO weewx.manager: 
Added record 2022-05-25 16:11:00 CEST (1653487860) to database 'weewx.sdb'
May 25 16:11:16 StazioneMeteoiisCeccano weewx[32034] INFO weewx.manager: 
Added record 2022-05-25 16:11:00 CEST (1653487860) to daily summary in 
'weewx.sdb'
May 25 16:11:16 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:17 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:19 StazioneMeteoiisCeccano weewx[32034] INFO user.airlink: 
collect_data: Attempt to fetch from: 192.168.0.196 failed: 
HTTPConnectionPool(host='192.168.0.196', port=80): Max retries exceeded 
with url: /v1/current_conditions (Caused by 
ConnectTimeoutError(<urllib3.connection.HTTPConnection object at 
0xb4c62350>, 'Connection to 192.168.0.196 timed out. (connect timeout=2)')).
May 25 16:11:19 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Could not get concentrations from any source.
May 25 16:11:19 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:21 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:23 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:25 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:26 StazioneMeteoiisCeccano weewx[32034] INFO user.airlink: 
last_report_time must be time since boot: 85460 seconds.  Record: {'data': 
{'did': '001D0A100829', 'name': 'IIS Ceccano', 'ts': 85460, 'conditions': 
[{'lsid': 522424, 'data_structure_type': 6, 'temp': 92.2, 'hum': 26.8, 
'dew_point': 53.2, 'wet_bulb': 60.4, 'heat_index': 90.1, 'pm_1_last': 4, 
'pm_2p5_last': 7, 'pm_10_last': 7, 'pm_1': None, 'pm_2p5': None, 
'pm_2p5_last_1_hour': None, 'pm_2p5_last_3_hours': None, 
'pm_2p5_last_24_hours': None, 'pm_2p5_nowcast': None, 'pm_10': None, 
'pm_10_last_1_hour': None, 'pm_10_last_3_hours': None, 
'pm_10_last_24_hours': None, 'pm_10_nowcast': None, 'last_report_time': 
85460, 'pct_pm_data_last_1_hour': None, 'pct_pm_data_last_3_hours': None, 
'pct_pm_data_nowcast': None, 'pct_pm_data_last_24_hours': None}]}, 'error': 
None}
May 25 16:11:26 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Could not get concentrations from any source.
May 25 16:11:27 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:29 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:31 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:32 StazioneMeteoiisCeccano weewx[32034] INFO user.airlink: 
last_report_time must be time since boot: 85466 seconds.  Record: {'data': 
{'did': '001D0A100829', 'name': 'IIS Ceccano', 'ts': 85466, 'conditions': 
[{'lsid': 522424, 'data_structure_type': 6, 'temp': 92.0, 'hum': 26.8, 
'dew_point': 53.1, 'wet_bulb': 60.3, 'heat_index': 89.8, 'pm_1_last': 5, 
'pm_2p5_last': 8, 'pm_10_last': 10, 'pm_1': None, 'pm_2p5': None, 
'pm_2p5_last_1_hour': None, 'pm_2p5_last_3_hours': None, 
'pm_2p5_last_24_hours': None, 'pm_2p5_nowcast': None, 'pm_10': None, 
'pm_10_last_1_hour': None, 'pm_10_last_3_hours': None, 
'pm_10_last_24_hours': None, 'pm_10_nowcast': None, 'last_report_time': 
85466, 'pct_pm_data_last_1_hour': None, 'pct_pm_data_last_3_hours': None, 
'pct_pm_data_nowcast': None, 'pct_pm_data_last_24_hours': None}]}, 'error': 
None}
May 25 16:11:32 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Could not get concentrations from any source.
May 25 16:11:33 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:35 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:36 StazioneMeteoiisCeccano weewx[32034] INFO user.airlink: 
get_scalar called where record does not contain pm2_5.  This is unexpected.
May 25 16:11:36 StazioneMeteoiisCeccano weewx[32034] INFO 
weewx.cheetahgenerator: Generated 16 files for report StandardReport in 
18.41 seconds
May 25 16:11:37 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:39 StazioneMeteoiisCeccano weewx[32034] INFO user.airlink: 
collect_data: Attempt to fetch from: 192.168.0.196 failed: 
HTTPConnectionPool(host='192.168.0.196', port=80): Max retries exceeded 
with url: /v1/current_conditions (Caused by 
ConnectTimeoutError(<urllib3.connection.HTTPConnection object at 
0xb3d97710>, 'Connection to 192.168.0.196 timed out. (connect timeout=2)')).
May 25 16:11:39 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Could not get concentrations from any source.
May 25 16:11:39 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:41 StazioneMeteoiisCeccano weewx[32034] INFO 
weewx.imagegenerator: Generated 15 images for report StandardReport in 5.33 
seconds
May 25 16:11:41 StazioneMeteoiisCeccano weewx[32034] INFO 
weewx.reportengine: Copied 14 files to /home/weewx/public_html
May 25 16:11:41 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:42 StazioneMeteoiisCeccano /weewxd: historygenerator.py: No 
bootstrap specific labels found
May 25 16:11:42 StazioneMeteoiisCeccano /weewxd: historygenerator.py: 
Generated 8 tables in 0.34 seconds
May 25 16:11:43 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:45 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:46 StazioneMeteoiisCeccano weewx[32034] INFO user.airlink: 
collect_data: Attempt to fetch from: 192.168.0.196 failed: 
HTTPConnectionPool(host='192.168.0.196', port=80): Max retries exceeded 
with url: /v1/current_conditions (Caused by 
ConnectTimeoutError(<urllib3.connection.HTTPConnection object at 
0xb3cb5910>, 'Connection to 192.168.0.196 timed out. (connect timeout=2)')).
May 25 16:11:46 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Could not get concentrations from any source.
May 25 16:11:47 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:49 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.
May 25 16:11:51 StazioneMeteoiisCeccano weewx[32034] ERROR user.airlink: 
Found no concentrations to insert.

As you can see, it seems to get some data packets with the values inside to 
be different each time, but in practice it does not put anything inside the 
database (I checked that the columns pm1_0, pm2_5 etc. are present with 
only null values). It is also curious that the Airlink is not working on 
Weatherlink.com, but somehow it is connected to the network because I can 
find it with a net scanner, and it seems that WeeWX can see it in some way 
with these packets you can see within the log.

Can anybody help me? Thank you!
Andrea

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