Desa GA3700 - Manual (Page 27)

www.desatech.com 113109-01G 27
pOSSIBLE CAUSE
1. Not enough combustion/
ventilation air
1. Turning control knob to HI
position when burners are
cold
2. Air in gas line
3. Air passageways on heater
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. Battery is not installed. Bat-
tery power is low
1. Metal expanding while
heating or contracting while
cooling
REMEDY
1. Refer to Air for Combustion
and Ventilation require-
ments (page 6)
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 instal-
lation clearances (see
page 10)
4. Clean burners (see Cleaning
and Maintenance, page 24)
or replace burner orifice(s)
1. Turn heater off when us-
ing furniture polish, wax,
carpet cleaners or similar
products
1. Replace 9-volt batteries
in receiver and hand-held
remote control
1. This is normal with most
heaters. If noise is exces-
sive, contact qualified ser-
vice person
OBSERvED pROBLEM
Moisture/condensation no-
ticed on windows
Heater produces a whistling
noise when burners are lit
White powder residue form-
ing within burner box or on
adjacent walls or furniture
Remote does not function
Fireplace produces a click-
ing/ticking noise just after
burner is lit or shut off
TROUbLEShOOTING
Continued