Desa B350D, B600D owner manual Troubleshooting, Continued, Observed Problem, Possible Cause, Remedy

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
	1.	Wrong pump pressure	1.	Adjust pump pressure ( see Pump Pres-
				sure Adjustment, page 11)

Heater burns, but puffs of smoke can be seen Heater does not burn steady

Heater burns with odor Heater smokes continuously

2.A) Heater almost out of fuel

B)Water condensation in fuel tank

C)Wrong 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

2.A) Add fuel to tank

B)Check fuel tank for bubbles of water 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 Filters, page 12. Fill with correct fuel

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)

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