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Dayton Operating Instructions and Parts Manual
22
Dayton Portable
Oil-Fired Heaters
®
111166-01A
2E510F, 2E511F, 3E218F, and 3E219F
Troubleshooting Chart
Possible Cause(s)
Corrective Action
Never service heater while it is plugged in, operating, or hot.
Severe burns and electrical shock can occur.
Motor does not start five seconds after
heater is plugged in
1. Check circuit breaker in electrical
panel
2. Turn thermostat knob to a higher
setting
3. Check all electrical connections. See
Wiring Diagram, page 21
4. See Ignition Control Assembly, page 10
5. If fan does not turn freely, see Pump
Rotor, page 9
6. Replace ignition control assembly
7. Replace Motor
1. Fill tank with Kerosene
2. See Pump Pressure Adjustment,
page 7
3. See Fuel Filter, page 7
4. See Nozzle, page 9
5. Drain and flush fuel tank with clean
kerosene. See Storing, Transporting,
or Shipping, page 11
6. Check electrical connections. See
Wiring Diagram, page 21
7. Replace ignitor, see page 8
8. Replace ignition control assembly
Symptom
Motor starts and runs but heater does
not ignite
High Voltage!
1. No power to heater
2. Thermostat setting too low, if
equipped
3. Bad electrical connection between
motor and ignition control assembly
or ignition control assembly and
power cord
4. Blown fuse on ignition control
assembly
5. Binding pump rotor
6. Defective ignition control assembly
7. Defective motor
1. No fuel in tank
2. Pump pressure incorrect
3. Dirty fuel filter
4. Obstruction in nozzle assembly
5. Water in fuel tank
6. Bad electrical connection between
ignitor and ignition control assembly
7. Defective ignitor
8. Defective ignition control assembly
High Voltage!