Procom PCNSDS24RT Manual page 30

Problem
Burner does not light after
ODS/pilot is lit.
Delayed ignition of
burner.
Burner backfiring during
combustion.
Yellow flame during burn-
er combustion.
Slight smoke or odor
during initial operation.
Gas odor during com-
bustion.
Heater produces un-
wanted odors.
30
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 damaged.
1. Residues from manufactur-
ing process.
1. Foreign matter between
control valve and burner.
2. Gas leak. (See Warning
Statement 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 page 26.
3 Low fuel supply.
www.usaprocom.com
Corrective Action
1. Clean burner orifice (see
Care and Maintenance, page
26).
2. Contact local gas supplier.
3. Replace heater chassis.
1. Contact local gas supplier.
2. Clean burner (see Care and
Maintenance, page 26).
1. Clean burner orifice (see
Care and Maintenance, page
26).
2. Replace burner.
3. Replace heater chassis.
1. Check burner for dirt and debris.
If found, clean burner (see Care
and Maintenance, page 26).
2. Contact local gas supplier.
3. Replace heater chassis.
1. Problem will stop after a few
hours of operation.
1. Contact a qualified service tech-
nician to remove foreign matter.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 17).
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. Refill supply tank (Propane
models).
200240-01C