Pod serial number: 1919150

Gas sensor type: O3
Failed sensor serial number: 204005511  dc036
Serial number of new sensor: 204021057 dc109

Sensor failure date: 28/09/2020

NotifiedAirMonitors : 28/09/2020
Notified : 02/11/2020
Sensor received : 12/11/2020
Replaced: 13/11/2020 16:08

Check Portal updated : 20/11/2020

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

NB O3 failure was reported to supplier on 15/10 - looks like it has failed since 28/09.
Suppliers says this is cross-gas interference, and it should recover without a new 03 sensor (but didn't)