Vanguard Heating VSGF-28NTE, VSGF-28PTE installation manual Stalling Logs

TROUBLESHOOTING

Continued

OBSERVED PROBLEM POSSIBLE CAUSE REMEDY

Fireplace produces a whistling 1. Turning control knob to HI

noise when burners are lit	position when burners are
	cold
2.	Air in gas line
3.	Air passageways on fireplace
	blocked
4.	Dirty or partially clogged
	burner orifice(s)

1.Turn control knob to LO position and let warm up for a minute

2.Operate burners until air is removed from line. Have gas line checked by local natural or propane/LP gas company

3.Observe minimum installa- tion clearances (see pages 10 through 12)

4.Clean burners (see Cleaning and Maintenance, page 20) or replace burner orifice(s)

White powder residue forming	1.	When heated, vapors from	1.	Turn heater off when using
within burner box or on adjacent		furniture polish, wax, carpet		furniture polish, wax, carpet
walls or furniture		cleaners, etc. may turn into		cleaners, or similar products
		white powder residue
Dark residue on logs or inside	1.	Improper log placement	1.	Properly locate logs (see In-
of fireplace	2.	Drafts or other air currents		stalling Logs, page 16)
Note: After removing all causes			2.	Eliminate source of drafts
of residue deposits, completely		affecting flame pattern		around heater
clean fireplace and appliance	3.	Air holes at burner inlet	3.	Clean out air holes at burner
of all residue before reusing		blocked		inlet. Periodically repeat as
appliance	4.	Burner flame holes blocked		needed
			4.	Remove blockage
Fireplace produces a clicking/	1.	Metal expanding while heat-	1.	This is common with most
ticking noise just after burners		ing or contracting while		fireplaces. If noise is exces-
are lit or shut off		cooling		sive, contact qualified service
				person

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