Procom FBNSD32RT Owner's Operation And Installation Manual page 28

Problem
Burner(s) does not light
after ODS/pilot is lit
Delayed ignition of
burner(s).
Burner backfiring during
combustion
High yellow flame during
burner combustion
Slight smoke or odor
during initial operation
Gas odor during com-
bustion.
Heater produces un-
wanted odors.
Heater produces a whis-
tling noise when burner
is lit.
28
TROUBLESHOOTING
Possible Cause
1. Burner orifice is clogged.
2. Inlet gas pressure is too low.
3. Burner orifice diameter is too
small.
1. Manifold pressure is too low.
2. Burner orifice is clogged.
1. Burner orifice is clogged or
damaged.
2. Burner is damaged.
3. Gas regulator is damaged.
1. Not enough air.
2. Inlet gas pressure is too low.
3. Gas regulator is defective.
1. Residues from manufacturing
process.
1. Foreign matter between
control valve and burner.
2. Gas leak. (See Warning
Statement at top of page 26).
1. Heater is burning vapors from
paint, hair spray, glues, etc.
See IMPORTANT statement,
page 26.
2. Gas leak. See Warning State-
ment at the top of page 26.
3 Low fuel supply.
1. Air in gas line.
2. Air passageways on heater
are blocked.
3. Dirty or partially clogged
burner orifice.
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Corrective Action
1. Clean burner orifice (see
Care and Maintenance,
page 25).
2. Contact local gas supplier.
3. Replace gas train.
1. Contact local gas supplier.
2. Clean burner (see Care and
Maintenance, page 25).
1. Clean burner orifice (see
Care and Maintenance,
page 25).
2. Contact dealer or customer
service.
3. Replace gas train.
1. Check burner for dirt and
debris. If found, clean burner
(see Care and Maintenance,
page 25).
2. Contact local gas supplier.
3. Replace gas train.
1. Problem will stop after a few
hours of operation.
1. Take apart gas tubing and
remove foreign matter.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 16).
1. Ventilate room. Stop using
odor causing products while
heater is running.
2. L o c a t e a n d c o r r e c t a l l
leaks (see Checking Gas
Connections, page 16).
3. Refill supply tank (Propane
models).
1. Operate burner until air is
removed from line. Have gas
line checked by local gas
supplier.
2 Observe minimum installa-
tion clearances (Figure 4,
page 9)
3 Clean burner (see Care and
Maintenance, page 25).
200241-01E