TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

Burner(s)does not light after

1.

Burner orifice is clogged.

ODS/pilot is lit.

 

 

 

2.

Burner orifice diameter is too small

 

3.

Inlet gas pressure is too low.

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.

Delayed ignition of burner(s).

1.Manifold pressure is too low.

2.Burner orifice is clogged.

1.Contact local Propane/LP gas company.

2.Clean burner (see Cleaning and Maintenance, page 13) or replace burner orifice.

Burner backfiring during combustion. 1. Burner orifice is clogged or damaged.

2. Burner damaged.

3. Gas regulator defective.

1.Clean burner orifice (see Cleaning and Maintenance, page 13) or replace.

2.Replace burner.

3.Replace gas regulator.

Yellow flame during burner

1.

Not enough air.

combustion.

 

 

 

2.

Gas regulator defective.

 

3.

Inlet gas pressure is too low.

1.Check burner for dirt and debris. If found, clean burner (see Cleaning and Maintenance, Page 13).

2.Replace gas regulator.

3.Contact local propane/LP gas company.

Slight smoke or odor during

1. Residues from manufacturing

1. Problem will stop after a few hours

initial operation.

processes.

of operation.

Heater produces a whistling noise when burner is lit.

1.Turning control knob to HI position when burner is cold.

2.Air in gas line.

3.Air passageways on heater blocked.

4.Dirty or partially clogged burner orifice.

1.Turn control knob to LO position and let warm up for a minute.

2.Operate burner until air is removed from line. Have gas line checked by local Propane/LP gas company.

3.Observe minimum installation clearances (Figure 4, p7).

4.Clean burner (see Cleaning and maintenance, Page13) or replace burner orifice.

Heater produces a clicking/ticking noise just after burner is lit or shut off.

1.Metal expanding while heating or contracting while cooling.

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

White powder residue forming within burner box or on adjacent walls or furniture.

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

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

1 5

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Procom ML200HBA, ML300HBA, ML200TBA, ML300TBA installation manual Inlet gas pressure is too low
Page 14 Page 16

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