Desa SF20PT Benutzerhandbuch

www.desatech.com

116307-01B

TROUBLESHOOTING

Continued

WARNING: If you smell gas

• Shut off gas supply.

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in

your building.

• Immediately call your gas supplier from a neighbor’s phone. Fol-

low the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the ﬁre department.

IMPORTANT:

Operating heater where impurities in air exist may create odors. Cleaning supplies,

paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes.

These fumes may mix with combustion air and create odors.

POSSIBLE CAUSE

1. Heater burning vapors from

paint, hair spray, glues, etc.

See IMPORTANT statement

above

2. Low fuel supply (propane/LP

gas)

3. Gas leak. See Warning

statement at top of page

1. Gas leak. See Warning

statement at top of page

2. Control valve defective

1. Foreign matter between con-

trol valve and burner

2. Gas leak. See Warning

statement at top of page

1. Not enough combustion/ven-

tilation air

REMEDY

1. Ventilate room. Stop using

odor causing products while

heater is running

2. Reﬁll supply tank

3. Locate and correct all leaks

(see Checking Gas Connec-

tions, page 11)

1. Locate and correct all leaks

(see Checking Gas Connec-

tions, page 11)

2. Replace control valve

1. Take apart gas tubing and

remove foreign matter

2. Locate and correct all leaks

(see Checking Gas Connec-

tions, page 11)

1. Refer to Air for Combustion

and Ventilation requirements

(page 5)

OBSERVED PROBLEM

Heater produces unwanted

odors

Gas odor even when control

knob is in OFF position

Gas odor during combustion

Moisture/condensation noticed

on windows

TECHNICAL SERVICE

You may have further questions about installation,

operation or troubleshooting. If so, contact DESA

Heating Productsʼ Technical Service Department

at 1-866-672-6040. When calling please have your

model and serial numbers of your heater ready.

You can also visit DESA Heating Productsʼ techni-

cal service web site at www.desatech.com.

SERVICE PUBLICATIONS

You can purchase a service manual from the address

listed on the back page of this manual. Send a check

for $5.00 payable to DESA Heating Products.

SERVICE HINTS

When Gas Pressure Is Too Low
•  pilot will not stay lit
•  burner will have delayed ignition
•  heater will not produce speciﬁed heat
•  propane/LP gas supply may be low
You may feel your gas pressure is too low. If so, con-

tact your local natural or propane/LP gas supplier.