Vanguard Heating VSGF-28PTE - Manual (Page 23)

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