Installation Guide

www.usaprocom.com
200348-01C26
Problem Possible Cause Corrective Action
Burner does not light after
ODS/pilot is lit.
1. Burner orice is clogged.
2. Inlet gas pressure is too low.
3. Burner orice diameter is too
small.
1. Clean burner orifice (see
Care and Maintenance,
page 22).
2. Contact local gas supplier.
3. Replace gas train.
Delayed ignition of
burner.
1. Manifold pressure is too low.
2. Burner orice is clogged.
1. Contact local gas supplier.
2. Clean burner (see Care and
Maintenance, page 22).
Burner backring during
combustion.
1. Burner orice is clogged or
damaged.
2. Burner is damaged.
3. Gas regulator is damaged.
1. Clean burner orifice (see
Care and Maintenance,
page 22).
2. Contact customer service.
3. Replace gas train.
High yellow ame during
burner combustion.
1. Not enough air.
2. Inlet gas pressure is too low.
3. Gas regulator is defective.
1. Check burner for dirt and
debris. If found, clean burner
(see Care and Maintenance,
page 22).
2. Contact local gas supplier.
3. Replace gas train.
Slight smoke or odor
during initial operation.
1. Residues from manufacturing
process.
1. Problem will stop after a few
hours of operation.
Gas odor during com-
bustion.
1. Foreign matter between
control valve and burner.
2. Gas leak. (See Warning
Statement at top of page 24).
1. Contact a qualied service
technician to remove foreign
matter.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 16).
Heater produces
unwanted odors.
1. Heater is burning vapors from
paint, hair spray, glues, etc.
See IMPORTANT statement,
page 24.
2. Gas leak. See Warning
Statement at the top of page
24.
3. Low fuel supply.
1. Open a window to ventilate
room. Stop using odor
causing products while
heater is running.
2. Locate and correct all
leaks (see Checking Gas
Connections, page 16).
3. Rell supply tank (Propane
models).
TROUBLESHOOTING