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Dayton Operating Instructions and Parts Manual
14
Dayton Portable
Oil-Fired Heaters
®
3E358B and 3E359B
Troubleshooting Chart (Continued)
Possible Cause(s)
Corrective Action
Symptom
Heater will not ignite, but motor runs
for a short period of time (Continued)
1. Adjust pump pressure (See Pump
Pressure Adjustment section, page
10)
2. Clean fuel filters (See Fuel Filters,
page 7)
3. Replace nozzle (See Nozzle, page 9)
1. Wrong pump pressure
2. Dirty fuel filters
3. Dirt in nozzle
Heater ignites, but flameout control
shuts off heater after a short period of
time
3. Remove wrong fuel (See Storing,
Transporting, or Shipping, page
11). Clean tank and fuel filters (See
Fuel Filters, page 7). Fill with
correct fuel
4. Replace nozzle (See Nozzle, page 9)
5. Move heater to warmer place until
fuel flows freely
6. Clean fuel filters (See Fuel Filters,
page 7)
7. Adjust pump pressure (See Pump
Pressure Adjustment sections, page
10)
8. Connect spark plug wire to spark plug
9. Adjust electrode gap to .075"
(See Spark Plug, page 7)
Clean fuel from spark plug with
clean, soft cloth
Replace plug if heavily coated with
carbon (See Spark Plug, page 7)
Inspect plug for worn or eroded
electrodes. If found, replace plug
(See Spark Plug, page 7)
10. Check electrical connections and
voltage to solenoid. If good,
replace solenoid valve
11. Replace electronic ignitor
3. Wrong fuel
4. Dirt in nozzle
5. Very low temperature may cause
fuel to thicken and not flow
6. Dirty fuel filters
7. Wrong pump pressure
8. Spark plug wire disconnected from plug
9. Spark plug problems due to:
Wrong gap
Plug wet with fuel
Carbon deposits on plug
Damaged plug
10. Solenoid valve not opening
11. Damaged electronic ignitor
High Voltage!