Desa SB350D sure Adjustment, page, Troubleshooting, Continued, Observed Problem, Possible Cause

Models: SB350D SB600D

1 20
Download 20 pages 61.1 Kb
Page 9
Image 9
sure Adjustment, page 11)

OWNER’S MANUAL

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Heater ignites, but flame-out control shuts

1.

Wrong pump pressure

1.

Adjust pump pressure (see Pump Pres-

off heater after a short period of time

 

 

 

sure Adjustment, page 11)

 

2.

Dirty fuel filters

2. Clean fuel filters (see Fuel Filters, page 12)

 

3.

Dirt in nozzle

3.

Replace nozzle (see Nozzle, page 10)

 

4.

Dirty photocell lens

4. Clean photocell lens with clean cotton swab

 

5.

Open or damaged photocell

5.

Replace photocell

 

6.

Bad flame-out control

6.

Replace flame-out control

 

7.

Damaged fan switch

7.

Replace fan switch

 

 

 

 

 

Heater burns, but puffs of smoke can be seen

1.

Wrong pump pressure

1.

Adjust pump pressure ( see Pump Pres-

Heater does not burn steady

 

 

 

sure Adjustment, page 11)

Heater burns with odor

 

 

 

 

Heater smokes continuously

2.

A) Heater almost out of fuel

2.

A) Add fuel to tank

 

 

B) Water condensation in fuel tank

 

B) Check fuel tank for bubbles of water

 

 

C) Wrong fuel

 

in bottom. If found, remove fuel (see

 

 

 

 

Storing, Transporting, or Shipping, page

 

 

 

 

5). Clean tank and fuel filters (see Fuel

 

 

 

 

Filters, page 12). Fill with clean fuel

C) Remove wrong fuel (see Storing, Transporting, or Shipping, page 5). Clean tank and fuel filters (see Fuel Fil- ters, page 12. Fill with correct fuel

3.Dirty fuel filters

4.Air leak in suction system

5.Dirty nozzle

6.Low voltage causing motor to operate below rated speed

7.Loose fuel line

3.Clean fuel filters (see Fuel Filters, page 12)

4.Tighten all fuel line connections (see Fuel Lines, page 12)

5.Replace nozzle (see Nozzle, page 10)

6.Check voltage at heater. Voltage at heater should be not less than 90% of rated volt- age (108V minimum for 120V heaters)

7.Check and tighten all fuel line connec- tions (see Fuel Lines, page 12)

www.desatech.com

106029

9

Page 9
Image 9
Desa SB350D, SB600D owner manual sure Adjustment, page, Troubleshooting, Continued, Observed Problem, Possible Cause, Remedy