TROUBLE- SHOOTING

Continued

OBSERVED

POSSIBLE

 

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

 

 

Delayed ignition of

1.

Manifold pressure is

1.

Contact local propane

 

burner.

 

too low.

 

gas company.

 

 

2.

Burner orifice is

2.

Clean burner (see

 

 

 

clogged.

 

Cleaning and Mainte-

 

 

 

 

 

nance, page 26) or

 

 

 

 

 

replace burner orifice

 

 

 

 

 

(see Changing Burner

 

 

 

 

 

Orifice, page 34).

 

 

 

 

 

 

 

Burner backfiring

1.

Burner orifice is

1.

Clean burner (see

 

during combustion.

 

clogged or damaged.

 

Cleaning and Mainte-

 

 

 

 

 

nance, page 26) or

 

 

 

 

 

replace burner orifice

 

 

 

 

 

(see Changing Burner

 

 

 

 

 

Orifice, page 34).

 

 

2.

Burner damaged.

2.

Replace burner.

 

 

3.

Gas regulator defective.

3.

Replace control valve.

 

 

4.

Delayed ignition.

4.

See above.

 

 

 

 

 

 

 

Yellow flame during

1.

Not enough air.

1.

Check burner for dirt

 

burner combustion

 

 

 

and debris. If found,

 

 

 

 

 

clean burner (see

 

 

 

 

 

Cleaning and Mainte-

 

 

 

 

 

nance, page 26).

 

 

2.

Gas regulator defective.

2.

Replace control valve.

 

 

 

 

 

 

 

Flame lifting during

1.

Burner orifice is

1.

Clean burner (see

 

combustion.

 

clogged or damaged.

 

Cleaning and Mainte-

 

 

 

 

 

nance, page 26) or

 

 

 

 

 

replace burner orifice

 

 

 

 

 

(see Changing Burner

 

 

 

 

 

Orifice, page 34).

 

 

2.

Manifold pressure too

2.

Replace control valve

 

 

 

high/defective gas

 

(see Removing Control

 

 

 

regulator

 

Valve and Burner Tube,

 

 

 

 

 

page 32).

 

 

 

 

 

 

Slight smoke or odor

1. Residues from manu-

1.

Problem will stop after a

 

during initial opera-

 

facturing processes.

 

few hours of operation.

 

tion.

 

 

 

 

 

Continued

100791

29

Page 29
Image 29
Desa GVR50BPA, GVR65PA, GVR50PA, GVR65BPA, GVR35PA installation manual See Changing Burner Orifice