Desa MSVFBNR Series Sun Valley Stove Company, Vent-Freenatural Gas Stove Heater, Troubleshooting

Models: MSVFBNR Series

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Maintenance, page 18)

SUN VALLEY STOVE COMPANY

VENT-FREE NATURAL GAS STOVE HEATER

TROUBLESHOOTING

Continued

 

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

Delayed ignition burner

1.

Manifold pressure is too low

1.

Contact local natural gas company

 

 

2.

Burner orifice clogged

2.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

nance, page 18) or replace burner orifice

 

 

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

nance, page 18) 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.

Not enough air

1.

Check burner for dirt and debris. If

 

 

 

 

 

found, clean burner (see Cleaning and

 

 

 

 

 

Maintenance, page 18)

 

 

2.

Gas regulator defective

2.

Replace gas control

 

 

3.

Residues from manufacturing processes

3.

Problem will stop after a few hours of

 

 

 

and logs curing

 

operation

 

 

 

 

 

 

 

 

Moisture/condensation noticed on windows

1.

Not enough combustion/ventilation air

1.

Refer to Air for Combustion and Venti-

 

 

 

 

 

lation requirements (page 4)

 

 

 

 

 

 

 

 

Heater produces a whistling noise when

1.

Turning control knob to HI position

1.

Turn control knob to LO position and

 

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

 

 

 

 

 

natural gas company

 

 

3.

Air passageways on heater blocked

3.

Observe minimum installation clear-

 

 

 

 

 

ances (see page 7)

 

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

nance, page 18) or replace burner orifice

 

 

 

 

 

 

 

 

Dark residue on logs or inside of fireplace

1.

Improper log placement

1.

Properly locate logs (see Installing Gas

 

 

 

 

 

Log Heater Into Stove, page 10)

 

 

2.

Drafts or other air currents affecting

2.

Eliminate source of drafts around heater

 

 

 

flame pattern

 

 

 

 

 

3.

Air holes at burner inlet blocked

3.

Clean out air holes at burner inlet. Peri-

 

 

 

 

 

odically repeat as needed

 

 

4.

Burner flame holes blocked

4.

Remove blockage or replace burner

 

 

 

 

 

 

 

White powder residue forming within burner box or on adjacent walls or furniture

1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. turn into white powder residue

1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products

Remote does not function

1. Battery is not installed. Battery power

 

is low

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

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Desa MSVFBNR Series Sun Valley Stove Company, Vent-Freenatural Gas Stove Heater, Troubleshooting, Continued