Desa SCIVFB, SCIVFR, SCIVFG Trouble Shooting, Continued, Cleaning and Mainte, Refer to Air for Com

Models: SCIVFG SCIVFC SCIVFR SCIVFB

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TROUBLE-

TROUBLE-

SHOOTING

Continued

24

OBSERVED

POSSIBLE

 

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

 

 

Burner does not light

1.

Inlet gas pressure is

1.

Contact local propane/

 

after ODS/pilot is lit

 

too low

 

LP gas company

 

 

2.

Burner orifice clogged

2.

Clean burner (see

 

 

 

 

 

Cleaning and Mainte-

 

 

 

 

 

nance, page 22) or

 

 

 

 

 

replace burner orifice

 

 

3.

Burner orifice diameter

3.

Replace burner orifice

 

 

 

is too small

 

 

 

 

 

 

 

 

 

Delayed ignition

1.

Manifold pressure is

1.

Contact local propane/

 

burner

 

too low

 

LP gas company

 

 

2.

Burner orifice clogged

2.

Clean burner (see

 

 

 

 

 

Cleaning and Mainte-

 

 

 

 

 

nance, page 22) or

 

 

 

 

 

replace burner orifice

 

 

 

 

 

 

 

Burner backfiring

1.

Burner orifice is

1.

Clean burner (see

 

during combustion

 

clogged or damaged

 

Cleaning and Mainte-

 

 

 

 

 

nance, page 22) or

 

 

 

 

 

replace burner orifice

 

 

2.

Damaged burner

2.

Replace damaged

 

 

 

 

 

burner

 

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

 

Slight smoke or odor

1. Not enough air

1.

Check burner for dirt

 

during initial opera-

 

 

 

and debris. If found,

 

tion

 

 

 

clean burner (see

 

 

 

 

 

Cleaning and Mainte-

 

 

 

 

 

nance, page 22)

 

 

2.

Gas regulator defective

2.

Replace gas regulator

 

 

3.

Residues from manu-

3.

Problem will stop after

 

 

 

facturing processes

 

a few hours of opera-

 

 

 

and logs curing

 

tion

 

 

 

 

 

 

Heater produces a

1. Turning control knob

1.

Turn control knob to

 

whistling noise when

 

to HI position when

 

LO position and let

 

burner is lit

 

burner is cold

 

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

3.

Observe minimum

 

 

 

heater blocked

 

installation clearances

 

 

 

 

 

(see pages 8-9)

 

 

4.

Dirty or partially

4.

Clean burners (see

 

 

 

clogged burner orifice

 

Cleaning and Mainte-

 

 

 

 

 

nance, page 22) or

 

 

 

 

 

replace burner orifice

 

 

 

 

 

 

 

Moisture/condensation

1.

Not enough combus-

1.

Refer to Air for Com-

 

noticed on windows

 

tion/ventilation air

 

bustion and Ventilation

 

 

 

 

 

requirements (page 5-7)

 

104025

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Image 24
Desa SCIVFB, SCIVFR, SCIVFG, SCIVFC installation manual Trouble Shooting, Continued, Cleaning and Mainte, Refer to Air for Com