24

TROUBLESHOOTING

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 22) 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 26)

 

 

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 22) or replace burner orifice

 

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and

 

 

 

 

 

Maintenance, page 22) 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

1.

Problem will stop after a few hours of

 

 

 

and logs curing

 

operation

 

 

 

 

 

 

Heater produces a whistling noise when

1.

Air in gas line

1.

Operate burner until air is removed from

burner is lit

 

 

 

line. Have gas line checked by local pro-

 

 

 

 

 

pane/LP or natural gas company

 

 

2.

Dirty or partially clogged burner orifice

2.

Clean burner (see Cleaning and

 

 

 

 

 

Maintenance, page 22) 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

 

 

3.

Poor drafting

3.

See Troubleshooting Venting Problems,

 

 

 

 

 

Down Drafts section, page 12

 

 

 

 

 

Burner system produces a clicking/ticking

1.

Metal expanding while heating or con-

1.

This is common. If noise is excessive,

noise just after burners are lit or shut off

 

tracting while cooling

 

contact qualified service person

 

 

 

 

 

Remote does not function

1.

Battery is not installed or battery power

1.

Replace 9-volt batteries in receiver and

 

 

 

is low

 

remote control

For..com

112127-01B

Page 24
Image 24
Desa SBVBP installation manual Observed Problem Possible Cause Remedy