Design Dynamics VTD-18N-PDG - Manual (Page 17)

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tROUBLESHOOtING
Continued
OBSERvED PROBLEM
Orange flame in burner during
burner combustion
Slight smoke or odor during initial
operation
Heater produces a whistling noise
when burner is lit
White powder residue forming
within burner box or on adjacent
walls or furniture
Remote does not function
Heater produces a clicking/tick-
ing noise just after burners are lit
or shut off
POSSIBLE CAUSE
1. Not enough air
2. Gas regulator defective
1. Residues from manufacturing
processes and logs curing
1. Turning control knob to HI
position when burner is cold
2. Air in gas line
3. Air passageways on heater
blocked
4. Dirty or partially clogged
burner orifice
1. When heated, vapors from
furniture polish, wax, carpet
cleaners, etc. turn into white
powder residue
1. Battery is not installed. Battery
power is low
1. Metal expanding while heating
or contracting while cooling
REMEDY
1. Check burner for dirt and
debris. If found, clean burner
(see Cleaning and Mainte-
nance, page 14)
2. Replace gas regulator
1. Problem will stop after a few
hours of operation
1. Turn control knob to LO
position and let warm up for
a minute
2. Operate burner until air is
removed from line. Have gas
line checked by local natural
or propane/LP gas company
3. Observe minimum installation
clearances (see pages 6)
4. Clean burner (see Cleaning
and Maintenance, page 14)
or replace burner orifice
1. Turn heater off when using
furniture polish, wax, carpet
cleaners, or similar products
1. Replace batteries in receiver
and remote control
1. This is common with most
heaters. If noise is excessive,
contact qualified service
person