OWNER’S MANUAL

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner does not light after pilot is lit

1.

Burner orifice clogged

1.

Clean burner (see Cleaning and

 

 

 

 

Maintenance, page 27) or replace burner

 

 

 

 

orifice

 

2.

Inlet gas pressure is too low

2.

Contact local propane/LP or natural gas

 

 

 

 

company

 

3.

Thermopile leads disconnected or im-

3.

Reconnect leads (see Wiring Diagram,

 

 

properly connected

 

page 31)

 

4.

Thermopile is defective

4.

Replace thermopile

 

 

 

 

 

 

Delayed ignition burner

1.

Manifold pressure is too low

1.

Contact local propane/LP or natural gas

 

 

 

 

company

 

2.

Burner porting or orifice clogged

2.

Clean burner (see Cleaning and Main-

 

 

 

 

tenance, page 27) or replace burner orifice

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and

 

 

 

 

Maintenance, page 27) or replace burner

 

 

 

 

orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas control

Slight smoke or odor during initial operation 1. Residues from manufacturing processes and logs curing

1.Problem will stop after a few hours of operation

Burner system produces a whistling noise

1.

Turning gas control knob to HI position

1.

Turn gas control knob to LO position and

when burner is lit

 

when 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 line checked by local pro-

 

 

 

 

pane/LP or natural gas company

 

3.

Dirty or partially clogged burner orifice

3.

Clean burner (see Cleaning and

 

 

 

 

Maintenance, page 27) or replace burner

 

 

 

 

orifice

 

 

 

 

 

Glass soots

1.

Flame impingement on logs

1.

Adjust the log set so that the flame does

 

 

 

 

not excessively impinge on it

 

2.

Debris around burner air mixer

2.

Inspect the opening at the base of the

 

 

 

 

burner to see that it is NOT packed with

 

 

 

 

any type of material

 

 

 

 

 

Burner system produces a clicking/ticking noise just after burners are lit or shut off

1.Metal expanding while heating or con- tracting while cooling

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

Remote does not function

1. Battery is not installed or battery power

 

is low

1.Replace 9-volt batteries in receiver and remote control

www.desatech.com

Continued

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Vanguard Heating SDVBP(A), SDVBN(A) manual Observed Problem Possible Cause Remedy
Page 28 Page 30

SDVBP(A), SDVBN(A) specifications

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