Desa WMP10 Benutzerhandbuch
www.desatech.com
123995-01C
20
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
Heater shuts off in use (ODS
operates)
operates)
Slight smoke or odor during
initial operation
initial operation
Heater produces a whistling
noise when burner is lit
noise when burner is lit
Heater produces a clicking/
ticking noise just after burner
is lit or shut off
ticking noise just after burner
is lit or shut off
White powder residue forming
within burner box or on adja-
cent walls or furniture
within burner box or on adja-
cent walls or furniture
Moisture/condensation no-
ticed on windows
ticed on windows
REMEDY
1. Open window and/or door
for ventilation
2. Contact local natural or
propane/LP gas company
3. Clean ODS/pilot (see Clean-
ing, page 17)
1. Problem will stop after a few
hours of operation
1. Turn control knob to LOW
or position 1 and let warm
up for a minute
up for a minute
2. Operate burner until air is
removed from line. Have gas
checked by local natural or
propane/LP gas company
checked by local natural or
propane/LP gas company
3. Observe minimum installa-
tion clearances (see Figure
4, page 8)
4, page 8)
4. Clean burner (see Cleaning,
page 17) or replace burner
orifice
orifice
1. This is normal with most
heaters. If noise is exces-
sive, contact qualified ser-
vice person
sive, contact qualified ser-
vice person
1. Turn heater off when us-
ing furniture polish, wax,
carpet cleaners or similar
products
carpet cleaners or similar
products
1. Refer to Air for Combustion
and Ventilation require-
ments (page 5)
ments (page 5)
POSSIBLE CAUSE
1. Not enough fresh air is
available
2. Low line pressure
3. O D S / p i l o t i s p a r t i a l l y
clogged
1. Residues from manufactur-
ing processes
1. Turning control knob to
HIGH or position 5 when
burner is cold
burner is cold
2. Air in gas line
3. Air passageways on heater
blocked
4. Dirty or partially clogged
burner orifice
1. Metal expanding while heat-
ing or contracting while
cooling
cooling
1. When heated, vapors from
furniture polish, wax, carpet
cleaners, etc. may turn into
white powder residue
cleaners, etc. may turn into
white powder residue
1. Not enough combustion/
ventilation air