Procom ML300TGA, ML300HGA Continued, Troubleshooting, Observed Problem, Possible Cause, Remedy

Models: ML300HGA ML300TGA

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Continued
1. Not enough air.
2. Gas regulator defective.
3. Inlet gas pressure is too low.

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

Burner(s)does not light after ODS/pilot is lit.

1.

Burner orifice is clogged.

1.

Clean burner orifice (see Cleaning

 

 

 

and Maintenance, page 13) or

 

 

 

replace burner orifice.

2.

Burner orifice diameter is too small

2.

Replace burner orifice.

3.

Inlet gas pressure is too low.

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

1.

Clean burner orifice (see Cleaning

 

 

damaged.

 

and Maintenance, page 13) or

 

 

 

 

replace.

 

2.

Burner damaged.

2.

Replace burner.

 

3.

Gas regulator defective.

3.

Replace gas regulator.

Yellow flame during burner combustion.

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

1.

Turning control knob to HI position

1.

Turn control knob to LO position

when burner is lit.

 

when

burner is cold.

 

and let warm up for a minute.

 

 

2.

Air in

gas line.

2.

Operate burner until air is removed

 

 

 

 

 

 

from line. Have gas line checked

 

 

 

 

 

 

by local Propane/LP gas company.

 

 

3. Air

passageways on heater

3.

Observe minimum

installation

 

 

 

blocked.

 

clearances (Figure 4, p7).

 

 

4.

Dirty or partially clogged burner

4.

Clean burner (see Cleaning and

 

 

 

orifice.

 

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 1. This is common with most

contracting while cooling.heaters. If noise is excessive, contact qualified service person.

White powder residue forming within

1. When

heated,

vapors

from

1. Turn heater off when using

burner box or on adjacent

furniture

polish,

wax,

carpet

furniture

polish,

wax, carpet

walls or furniture.

cleaners,

etc. turn into

white

cleaner or

similar

products.

powder residue.

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Procom ML300TGA, ML300HGA installation manual Continued, Troubleshooting, Observed Problem, Possible Cause, Remedy