Desa VP1000BT installation manual Maintenance

Models: VP1000BT

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OWNER’S MANUAL

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

Burner does not light after ODS/pilot is lit

1.

Burner orifice is clogged

1.

Clean burner orifice (see Cleaning and

 

 

 

 

Maintenance, page 11) 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

1.

Manifold pressure is too low

1.

Contact local propane/LP gas company

 

2.

Burner orifice is clogged

2.

Clean burner orifice (see Cleaning and

 

 

 

 

Maintenance, page 11) or replace burner

 

 

 

 

orifice

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner orifice (see Cleaning and

 

 

 

 

Maintenance, page 11) or replace burner

 

 

 

 

orifice

 

2.

Inlet gas pressure is too low

2.

Contact local propane/LP gas company

 

3.

Burner damaged

3.

Replace burner

 

4.

Gas regulator defective

4.

Replace gas regulator

 

 

 

 

 

Yellow flame during burner combustion

1.

Not enough air

1.

Check burner for dirt and debris. If

 

 

 

 

found, clean burner (see Cleaning and

 

 

 

 

Maintenance, page 11)

 

2.

Inlet gas pressure is too low

2.

Contact local propane/LP gas company

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

 

Slight smoke or odor during initial opera-

1.

Residues from manufacturing processes

1.

Problem will stop after a few hours of

tion

 

 

 

operation

 

 

 

 

 

 

Heater produces a whistling noise when

1.

Turn control knob to HI position when

1.

Turn control knob to LO position and

burner is lit

 

burner is cold

 

let warm up for a minute

 

2.

Air in gas line

2.

Operate burner until air is removed from

 

 

 

 

line. Have gas checked by local propane/

 

 

 

 

LP gas company

 

3.

Air passageways on heater blocked

3.

Observe minimum installation clear-

 

 

 

 

ances (see Figure 4, page 6)

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Main-

 

 

 

 

tenance, page 11) or replace burner ori-

 

 

 

 

fice

Continued

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Desa VP1000BT installation manual Maintenance