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160942-01A
8
TROUBLESHOOTING
WARNING: Never service heater while it is plugged in, operating
or hot. Severe burns and electrical shock can occur.
WARNING: High voltage! Unplug heater before servicing.
FAULT CONDITION
POSSIBLE CAUSE
REMEDY
Motor does not start eight sec-
onds after heater is plugged in.
1. No power to heater.
2. Thermostat setting is too
low.
3. Bad electrical connection
between motor and ignition
control assembly or igni-
tion control assembly and
power cord.
4. Binding pump rotor.
5. Defective ignition control
assembly.
6. Defective motor.
1. Check circuit breaker in
electrical panel.
2. Turn thermostat knob to a
higher setting.
3. Check all electrical connec-
tions. See
Wiring Diagram
,
page 15.
4. If fan does not turn freely,
see
Pump Rotor
, page 14.
5. Replace ignition control as-
sembly. See
Ignition Control
Assembly
, page 13.
6. Replace motor.
Motor starts and runs but
heater does not ignite.
1. No fuel in tank.
2. Pump pressure incorrect.
3. Dirty fuel filter.
4. Obstruction in nozzle.
5. Water in fuel tank.
6. Bad electrical connection
between ignitor and ignition
control assembly.
7. Defective ignitor.
8. Defective ignition control
assembly.
1. Fill tank with kerosene.
2. See
Pump Pressure Ad-
justment
, page 11.
3. See
Fuel Filter
, page 11.
4. See
Nozzle Assembly
,
page 13.
5. Drain and flush fuel tank
with clean kerosene. See
Storing, Transporting, or
Shipping
, page 7.
6. Check electrical connec-
tions. See
Wiring Diagram
,
page 15.
7. Replace ignitor, see page 12.
8. Replace ignition control as-
sembly. See
Ignition Control
Assembly
, page 13.
