Dayton Operating Instructions and Parts Manual
Models 3E358B and 3E359B
Troubleshooting Chart (Continued)
Symptom | Possible Cause(s) | Corrective Action |
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Heater ignites, but flameout control shuts off heater after a short period of time (Continued)
4. Dirty photocell lens | 4. Clean photocell lens with clean, |
| cotton swab |
5. Open or damaged photocell | 5. Replace photocell |
6. Bad flameout control | 6. Replace flameout control |
7. Damaged fan switch | 7. Replace fan switch |
Heater burns, but puffs of smoke can | Wrong pump pressure | Adjust pump pressure (See Pump |
be seen |
| Pressure Adjustment sections on page 10) |
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Heater does not burn steady | Heater almost out of fuel | Add fuel to tank |
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Heater burns with odor | Water condensation in fuel tank | Check fuel tank for bubbles of water in |
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| bottom. If found, remove fuel (See |
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| Storing, Transporting, or Shipping, |
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| page 11). Clean tank and fuel filters |
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| (See Fuel Filters, page 7). Fill with clean |
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| fuel |
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Heater smokes continuously | 1. Wrong fuel |
2. Dirty fuel filters
3. Air leak in suction system
4. Dirty nozzle
5. Low voltage causing motor to operate below rated speed
6. Loose fuel line
1.Remove wrong fuel (See Storing, Transporting, or Shipping, page 11). Clean tank and fuel filters (See Fuel Filters, page 7). Fill with correct fuel
2.Clean fuel filters (See Fuel Filters, page 7)
3.Tighten all fuel line connections (See Fuel Lines, page 7)
4.Replace nozzle (See Nozzle, page 9)
5.Check voltage at heater. Voltage at heater should be not less than 90% of rated voltage (108V minimum for 120V heaters)
6.Check and tighten all fuel line connections (See Fuel Lines, page 9)
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