www.usaprocom.com
200348-01C
26
Problem
Possible Cause
Corrective Action
Burner does not light after
ODS/pilot is lit.
1. Burner orifice is clogged.
2. Inlet gas pressure is too low.
3. Burner orifice 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 orifice is clogged.
1. Contact local gas supplier.
2. Clean burner (see
Care and
Maintenance
, page 22).
Burner backfiring during
combustion.
1. Burner orifice 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 flame 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 qualified service
technician to remove foreign
matter.
2. Locate and correct all leaks
(see
Checking Gas Connec-
tions
, page 16).
H e a t e r p r o d u c e s
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. Refill supply tank (Propane
models).
TROUBLESHOOTING