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Dayton Operating Instructions and Parts Manual
13
®
Models 3E358B and 3E359B
Troubleshooting Chart
Never service heater while it is plugged in, operating, or hot.
Severe burns and electrical shock can occur.
Possible Cause(s)
Corrective Action
Symptom
Motor does not start when heater is
plugged in and thermostat setting is
higher than surrounding air temperature
1. Little or no power at heater due to:
a. Damaged power cord or exten-
sion cord
b. Wrong size extension cord
c. Heater plugged into outlet with
voltage lower than 120 volt
2. Loose electrical connections
3. Motor overload protector tripped
due to:
a. Dirty fan
b. Debris pulled into fan area by fan
c. Binding pump
d. Low voltage
4. Flameout control not reset
5. Damaged flameout control
6. Damaged power relay
7. Damaged thermostat
8. Binding pump
1.a. Check condition of power cord or
extension cord. Repair or replace if
damaged
b. Use extension cord with proper wire
size (See To Start Heater, page 5)
c. Make sure heater is plugged into
120 volt/60 hertz outlet
2. Check connections. Tighten if loose
3.a. See Fan Blades and Air Deflectors,
page 7
b. Remove debris from fan and fan
guard area
c. Turn fan by hand. If fan is hard to
turn, see Pump, page 8
d. See steps B and C under item 1 above
NOTE: Be sure to reset motor overload
protector by pressing reset button on
top of motor
4. Press and release flameout control
reset button. See Figure 6, page 6
for button location
5. Replace flameout control
6. Replace power relay
7. Replace thermostat
8. Turn fan by hand. If fan is hard to
turn, see Pump, page 8
1. Add fuel to tank
2. Check fuel tank for bubbles of water
in bottom. If found, remove fuel
(See Storing, Transporting, or
Shipping, page 11). Clean tank and
fuel filters (See Fuel Filters, page 7).
Fill with clean fuel
Heater will not ignite, but motor runs
for a short period of time
1. Fuel tank empty
2. Water in fuel