What could be the reason for Boiler not firing?

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Asked on June 13, 2021
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Following could be the reasons due to which the boiler is not firing -

▪ Flame failure
▪ Carbon deposit on photocell
▪ Electrode clearance too high
▪ Carbon deposit on electrode
▪ Pilot burner not firing
▪ DO tank empty
▪ Water contamination with FO
▪ FO low temperature
▪ Low FO pressure
▪ Incorrect fuel and air ratio
▪ FD fan failure
▪ Filter choked
▪ Defective burner
▪ Nozzle choked

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Posted by seawizard
Answered on June 13, 2021