TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Dark orange flame in burner dur-

1.

Not enough air

1.

Check burner(s) for dirt

ing burner combustion

 

 

 

and debris. If found, clean

 

 

 

 

burner(s) (see Cleaning and

 

2.

Gas regulator defective

 

Maintenance, page 12)

 

2.

Replace gas regulator

 

 

 

 

 

Slight smoke or odor during initial

1.

Residues from manufacturing

1.

Problem will stop after a few

operation

 

processes and log curing

 

hours of operation

 

 

 

 

 

Produces a whistling noise when

1.

Turning control knob to HI

1.

Turn control knob to LO

burners are lit

 

position when burners are

 

position and let warm up for

 

 

cold

 

a minute

 

2.

Air is gas line

2.

Operate burners until air is

 

 

 

 

removed from line. Have gas

 

 

 

 

line checked by local natural

 

 

 

 

or propane/LP gas company.

 

3.

Air passageways on heater

3.

Observe minimum installation

 

 

blocked

 

clearances (see page 6)

 

4.

Dirty or partially clogged

4.

Clean burners (see Cleaning

 

 

burner orifice(s)

 

and Maintenance, page 12) or

 

 

 

 

replace burner orifice(s)

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

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

1.Heat turned off when using furniture polish, wax, carpet cleaners or similar products

114924-01B

www.desatech.com

15

Page 15
Image 15
Desa MVO18VNA Operation Processes and log curing Hours of operation, Turn control knob to LO, Air passageways on heater

MVO24VPA, MVO18VNA, MVO18VPA, MVO24VNA specifications

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