Agilent Technologies G6600-90006 manual Troubleshooting Burner Issues

Table 7 Troubleshooting Burner Issues

Problem Possible Cause Diagnosis Corrective Action

Fuses Blow on Startup	Shorted heater element.	Inspect for exposed wires or
		broken insulation around
		wire leads. Measure
		resistance leads, should not
		be 0.

Take Burner top off and reseat insulation around heater leads.

Low Sensitivity	Leaks at ferrules or fittings.	For SCD, use a microliter	Inspect fittings for scoring
		syringe containing a small	and replace if necessary.
		amount of sulfur compound	Replace ferrules if worn.
		e.g., CS2 to “snoop” for leaks	Hand tighten all fittings
		while watching mV output.	mounted onto vespel
		Leaks are very evident by a	ferrules, and wrench tighten
		large increase in signal	all connections with Valco
		displayed on the LED.	ferrules.
		For NCD, a high background
		could be observed from
		atmospheric nitrogen.
Low Sensitivity	Improper gas flows.	Measure gas flows.	Reset gas flows.
Low Sensitivity	Broken ceramic tubes or	Remove and inspect tubes	Replace tubes or ferrules.
	ferrules	and ferrules for chips and/or
High Pressure		breaks.
Low Sensitivity	Improper column	Inspect for charred Detector	After cutting off charred end
	positioning.	end of column.	of column, measure column
High Background			length 108-109 mm from
			ferrule (or 114-115 mm from
			bottom of nut) and re-attach
			column.

116 Operation and Maintenance Manual