Procom ML100HPA User Manual

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TROUBLESHOOTING

Continued

OBSERVED PROBLEM

B u r n e r ( s ) d o e s n o t l i g h t a f t e r
ODS/pilot is lit.

Delayed ignition of burner(s).

Burner backfiring during combustion.

Burner plaque(s) does not glow.

Slight smoke or odor during
initial operation.

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.

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 is clogged or
damaged.

2. Burner is damaged.
3. Gas regulator is defective.

1. Plaque damaged.
2. Inlet gas pressure is too low.

3. Control knob set between locked
positions.

1. Residues from manufacturing
processes.

1. Metal is expanding while heating
or contracting while cooling.

1. When heated the vapors from
furniture polish, wax, carpet
cleaners, etc. turn into white
powder residue.

REMEDY

1. Clean burner orifice (see Cleaning
and Maintenance Page 13) or
replace burner orifice.
2. Replace burner orifice.
3. Contact local propane/LP gas company.

1. Contact local propane/LP gas company
2. Clean burner (see Cleaning and
Maintenance Page 13) or replace
burner orifice.

1. Clean burner orifice (see Cleaning
and Maintenance Page 13) or
replace.
2. Replace burner.
3. Replace gas regulator.

1. Replace burner.
2. Contact local propane/LP gas
company.
3. Turn control knob until it locks at
desired setting.

1. Problem will stop after a few hours
of operation.

1. This is common with most heaters.
If noise is excessive, contact
qualified service person.

1. Turn heater off when using
furniture polish, wax, carpet
cleaner, or similar products.