Procom FeatureComforts ML150TPE Owner's Manual page 24

Problem
Slight smoke or odor during
initial operation
Heater produces a whistling
noise when burner is lit.
Heater produces a clicking/
ticking noise just after burner
is lit or shut off.
White powder residue
forming within burner box or
on adjacent walls or furniture
Heater produces unwanted
odors.
Heater shuts off in use
(ODS operates).
Gas odor exists even
when control knob is in OFF
position.
Moisture/condensation
noticed on windows.
Possible Cause
1. Residues from
manufacturing process.
1. Turning control knob to
high (5) position when
burner is cold.
2. Air in gas line.
3. Air passageways on
heater are blocked.
4. Dirty or partially clogged
burner orifice.
1. Metal is expanding while
heating or contracting
while cooling.
1. When heated, the
vapors from furniture
polish, wax, carpet
cleaners, etc., turn into
white powder residue.
1. Heater is burning vapors
from paint, hair spray,
glues, etc. See
IMPORTANT statement,
page 22.
2. Gas leak. See Warning
Statement at the top of
page 22.
3. Low fuel supply.
1. Not enough fresh air is
available.
2. Low line pressure.
3. ODS/pilot is partially
clogged.
1. Gas leak. See Warning
Statement at top of
page 22.
2. Control valve is
defective.
1. Not enough combustion/
ventilation air.
24
Corrective Action
1. Problem will stop after a few
hours of operation.
1. Turn control knob to low (1)
position and let warm up for a
minute.
2. Operate burner until air is removed
from line. Have gas line checked by
local propane/LP gas company.
3. Observe minimum installation
clearances (Fig. 4, page 10)
4. Clean burner (see Care and
Maintenance, page 21) or contact
customer service .
1. This is common with most heaters.
If noise is excessive, contact
qualified service technician.
1. Turn heater off when using furniture
polish, wax, carpet cleaner or similar
products.
1. Ventilate room. Stop using odor
causing products while heater is
running.
2. Locate and correct all leaks (see
"Checking Gas Connections,"
page 16).
3. Refill supply tank (Propane /LP
models).
1. Open window and/or door for
ventilation.
2. Contact local gas supplier.
3. Clean ODS/pilot (see Care
and Maintenance, page 21).
1. Locate and correct all leaks
(see "Checking Gas Connections",
page 16).
2. Contact customer service.
1. Refer to "Air for Combustion and
Ventilation" requirements, page 7.