Desa MPF18VPA Gas regulator defective, Control valve defective Check manifold pressure, Incorrect

Page 15

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

 

3.

Control valve defective

3.

Check manifold pressure

 

 

 

 

on control valve. Replace if

 

 

 

 

incorrect

 

 

 

 

 

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

1.

When heated, vapors from

1.

Heat turned off when using

within burner box or on adjacent

 

furniture polish, wax, carpet

 

furniture polish, wax, carpet

walls or furniture

 

cleaners, etc, turn into white

 

cleaners or similar products

 

 

powder residue

 

 

 

 

 

 

 

Remote does not function

1.

Battery is not installed.

1.

Replace 9-volt battery in

 

 

Battery power is low

 

receiver and remote control

114925-01C

www.desatech.com

15

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Contents MPF24VNA, MPF24VPA MPF18VNA and MPF18VPA What to do if YOU Smell GASTable of Contents Safety Information Local Codes High traffic areas Windy or drafty areasProvide adequate clearances around air openings Product Identification Product FeaturesInstallation Remove log set assembly from cartonInstallation Installation and ClearancesFlue Opening Specifications Venting Specifications forInstalling Appliance Connecting to GAS SupplyInstallation Items Needed Checking GAS Connections Test Pressures In Excess Of 1/2 Psig 3.5 kPaNatural From Gas Meter 5 W.C.** to 10.5 W.C. Pressure Placement of Loose Embers Pressure Testing Appliance Gas ConnectionsTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Operating Appliance Check pilot flame pattern and burner flame pat- terns often Inspecting BurnersPilot Flame Pattern ON/OFF Series Model HRC100Replacement Parts Service HintsCleaning Maintenance Technical ServiceObserved Problem Possible Cause Remedy TroubleshootingReplace burner orifice Contact local natural orPilot is lit Burner orifices clogged Propane/LP gas company Replace burner orificesControl valve defective Check manifold pressure Burners are lit Position when burners areCleaners or similar products Gas regulator defectiveGas leak. See Warning Statement at topGas leak. See Warning statement at top Specifications AccessoriesWiring Diagram MPF24VNA, MPF24VPA MPF18VNA, MPF18VPA Illustrated Parts BreakdownParts List Warranty Information Keep this WarrantyLimited Warranty Vented GAS LOG Appliances

MPF18VNA, MPF24VPA, MPF18VPA specifications

The Desa MPF24VPA, MPF18VPA, and MPF18VNA are innovative models designed for efficient heating solutions tailored to a variety of residential and commercial applications. These products showcase advanced technology and engineering that cater to diverse consumer needs, making them notable players in the heating equipment market.

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Safety is always a top priority in any heating appliance, and Desa takes this aspect seriously. The MPF series includes several safety features, such as automatic shut-off in case of overheating, low oxygen sensors, and robust construction that prevents overheating and accidental damage. These precautions ensure that consumers can enjoy their heating solutions confidently.

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In conclusion, the Desa MPF24VPA, MPF18VPA, and MPF18VNA are exemplary heating units that combine efficiency, effectiveness, and safety. With diverse features and options designed to cater to a wide audience, these models stand out as reliable choices for anyone looking for high-quality heating solutions. Whether for a cozy home or a bustling commercial space, the Desa MPF series is engineered to deliver warmth and comfort through innovative design and technology.