18/11/2020 : The recently installed 03 sensor (204890011, 13/11/20) failed 5 days after replacing.

Gas sensor type:       O3                                 
Failed sensor serial number:    204890011 dc 119         
New sensor serial number:    204890062  dc 119
Sensor failure date: 18/10/2020 19:00

Notified : 19/11/2020
Sensor received : 21/11/20
Replaced: 26/11/20 10:00

Check Portal updated : 30/11/2020

Please allow 2-3 days for sensor to re-base and stabilise.