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16 Operator’s Manual
Symptom Problem Solution
Motor does not start when
heater is plugged in and
thermostat setting is higher
than surrounding air
temperature.
Troubleshooting
WARNING: HIGH VOLTAGE. NEVER SERVICE SPACE HEATER WHILE IT IS PLUGGED IN,
OPERATING, OR HOT. SEVERE BURNS AND ELECTRICAL SHOCK CAN OCCUR.
a. Check condition of power cord or
extension cord. Repair or replace if
damaged.
b. Use extension cord with proper wire
size (see Start Heater).
c. Make sure heater is plugged into 120
volt/60 hertz outlet.
Check connections. Tighten if loose.
a. See "Maintenance: Fan Blades and
Air Deflectors".
b. Remove debris from fan and fan
guard area.
c. Turn fan by hand. If fan is hard to turn,
see "Maintenance: Pump".
d. Follow the extension cord steps listed
above (a & b).
Note: Be sure to reset motor overload
protector by pressing reset button on top
of motor.
Press and release flame-out control
reset button.
Replace flame-out control.
Replace power relay.
Replace thermostat.
Turn fan by hand. If fan is hard to turn,
see "Maintenance: Pump".
No power or low voltage at
heater due to:
a. Damaged power cord or
extension cord.
b. Wrong size extension cord.
c. Heater plugged into outlet
with voltage lower than 120
volt.
Loose electrical connections.
Motor overload protector tripped
due to:
a. Dirty fan.
b. Debris pulled into fan area
by fan.
c. Binding pump.
d. Low voltage.
Flame-out control not reset.
Damaged flame-out control.
Damaged power relay.
Damaged thermostat.
Binding pump.