Procom PCNSD18T - Page 26

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200239-01C26
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 heater chassis.
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. Replace burner.
3. Replace heater chassis.
Yellow ame during burn-
er combustion.
1. Not enough air.
2. Inlet gas pressure is too low.
3. Gas regulator is damaged.
1. Check burner for dirt and debris.
If found, clean burner (see Care
and Maintenance, page 22).
2. Contact local gas supplier.
3. Replace heater chassis
Slight smoke or odor
during initial operation.
1. Residues from manufactur-
ing 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 tech-
nician to remove foreign matter.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 17).
Heater produces un-
wanted odors.
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. Open a window to ventilate
room. Stop using odor caus-
ing products while heater is
running.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 17).
3. Rell supply tank (Propane
models).
TROUBLESHOOTING