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107351-01
Troubleshooting
DIAGNOSE MALFUNCTIONS
Symptom
Motor does not start five
seconds after heater is
plugged in
Motor starts and runs but
heater does not ignite
Heater ignites but ignition
control assembly shuts heater
off after a short period of time
Problem
No power to heater
Thermostat setting is too low
Bad electrical connection between motor
and ignition control assembly or ignition
control assembly and power cord
Binding pump rotor
Defective ignition control assembly
Defective motor
No fuel in tank
Pump pressure incorrect
Dirty fuel filter
Obstruction in nozzle assembly
Water in fuel tank
Bad electrical connection between
ignitor and ignition control assembly
Defective ignitor
Defective ignition control assembly
Pump pressure incorrect
Dirty air intake, air output, and/or lint
filter
Dirty fuel filter
Obstruction in nozzle assembly
Photocell assembly not properly
installed (not seeing the flame)
Dirty flame sensor
Bad electrical connection between
photocell and ignition control assembly
Defective flame sensor
Defective ignition control assembly
Solution
Check circuit breaker in electrical panel
Turn thermostat knob to a higher setting
Check all electrical connections
See your John Deere dealer
See your John Deere dealer
See your John Deere dealer
Fill tank with kerosene
See your John Deere dealer
See
Cleaning Fuel Filter,
page 19
See
Cleaning Fuel Nozzle,
page 17
Drain and flush fuel tank with clean
kerosene. See
Storage Location and
Maintenance,
page 20
Check electrical connections
See your John Deere dealer
See your John Deere dealer
See your John Deere dealer
See your John Deere dealer
See
Cleaning Fuel Filter,
page 19
See
Cleaning Fuel Nozzle,
page 17
Make sure photocell boot is properly
seated in bracket
See
Cleaning Flame Sensor,
page 15
Check electrical connections
See your John Deere dealer
See your John Deere dealer
WARNING: Never service heater while it is plugged in, operating,
or hot. Severe burns and electrical shock can occur.
WARNING: High voltage!
WARNING: High voltage!
WARNING: High voltage!
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