02/11/2023 14:15 - All data stopped reporting across all channels.

08/11/2023 Power turned back on. NOX, FIDAS and O3 turned on - but the O3 analyser LCD screen is blank.

No data coming back from the O3.

14/11/2023 Engineer arrived - power supply failure. Cannibalised from the defunct CO Analyser.

Data will be missing during this period