Procom QNSD250RT Owner's Operation And Installation Manual page 27

Problem
White powder residue
forming within burner
box or on adjacent walls
or furniture.
Heater produces un-
wanted odors.
Heater shuts off in use
(ODS operates).
Gas odor exists even
when control knob is in
OFF position.
Moisture/condensation
noticed on windows.
200204-01B
TROUBLESHOOTING
Possible Cause
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 24.
2. Gas leak. See Warning State-
ment at the top of page 24.
3 Low fuel supply.
1. Not enough fresh air is avail-
able.
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. Gas leak. See Warning
Statement at top of page 24.
2. Control valve is defective.
1. Not enough combustion/
ventilation air.
www.usaprocom.com
Corrective Action
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 Connec-
tions, page 14).
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 22).
1. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 14).
2. Replace control valve.
1. Refer to Air for Combus-
tion and Ventilation require-
ments, page 7.
27