www.factorybuysdirect.com
29
200245-01G
Problem
Possible Cause
Corrective Action
Burner(s) 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 26).
2. Contact local gas supplier.
3. Replace gas train.
Delayed ignition of
burner(s).
1. Manifold pressure is too low.
2. Burner orifice is clogged.
1. Contact local gas supplier.
2. Clean burner (see
Care and
Maintenance
, page 26).
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 26).
2. Contact dealer or 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 26).
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
combustion.
1. Foreign matter between
control valve and burner.
2. Gas leak. (See
Warning
Statement
at top of page 26).
1. Take apart gas tubing and
remove foreign matter.
2. Locate and correct all leaks
(see
Checking Gas Connec-
tions
, page 16).
Heater produces
un-wanted odors.
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. 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).
Heater produces a
whistling noise when
burner is lit.
1. Air in gas line.
2. Air passageways on heater
are blocked.
3. Dirty or partially clogged
burner orifice.
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 26).
TROUBLESHOOTING