Siemens Combustion QRA4.U Flame Detector R-22 What are common troubleshooting steps

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Siemens Combustion QRA4.U Flame Detector R-22 What are common troubleshooting stepsThe Siemens Combustion QRA4. U Flame Detector is a industrial grade UV flame detection sensor designed for the continuous supervision of gas and oil flames. Specifically engineered for intermittent operation, this detector is a standard for technicians working with high demand industrial burners and commercial boiler systems. It features a high sensitivity UV cell capable of detecting radiation in the 190 to 270 nm spectral range, ensuring it remains