Procom ML100HBAHR Owner's Operation And Installation Manual page 16

OBSERVED PROBLEM
Burne r ( s ) d o e s n ot l i g h t after
ODS/pilot is lit.
Delayed ignition of burner(s).
Burner backfiring during combustion.
Yellow flame during
combustion.
Slight smoke or odor during
initial operation.
Heater produces a whistling noise
when burner is lit.
Heater produces a clicking/ticking
noise just after burner is lit or
shut off.
White powder residue forming within
burner box or on adjacent
walls or furniture.
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Burner orifice is clogged.
2. Burner orifice diameter is too small.
3. Inlet gas pressure is too low.
1. Manifold pressure is too low.
2. Burner orifice is clogged.
1. Burner orifice
damaged.
2. Burner is damaged.
3. Gas regulator is defective.
1. Not enough air.
burner
2. Gas regulator is defective.
3. Inlet gas pressure is too low.
1. Residues from manufacturing
processes.
1. Turning control knob to HI position
when burner is cold.
2. Air in gas line.
3. Air passageways
are blocked.
4. Dirty or partially clogged burner
orifice.
1. Metal is expanding while heating
or contracting while cooling.
1. When heated, the vapors
furniture polish, wax, carpet
cleaners, etc. turn into white
powder residue.
1. Clean burner orifice (see Cleaning
2. Replace burner orifice.
3. Contact local propane/LP gas company.
1. Contact local propane/LP gas company.
2. Clean burner (see Cleaning and
is clogged or 1. Clean burner orifice (see Cleaning
2. Contact Dealer or PRO-COM
3. Replace gas regulator.
1. Check burner for dirt and debris. If
2. Replace gas regulator.
3. Contact local propane/LP gas company.
1. Problem will stop after a few hours
1. Turn control knob to LO position
2. Operate burner until air is removed
on heater 3. Observe minimum installation
4. Clean burner (see Cleaning and
1. This
from 1. Turn
1 6
REMEDY
and Maintenance Page 14) or
replace burner orifice.
Maintenance Page 14) or replace
burner orifice.
and Maintenance Page 14) or
replace.
found, clean burner (see Cleaning
and Maintenance Page 14).
of operation.
and let warm up for a minute.
from line. Have gas line checked
by local propane/LP gas company.
clearances (Figure 4, p7).
maintenance Page 14) or replace
burner orifice.
is common with most
heaters. if noise is excessive,
contact qualified service person.
heater off when
furniture polish, wax, carpet
cleaner, or similar products.
using