Preventative Maintenance Schedule; Troubleshooting - Desa Master B 35 CEL Manuel D'utilisation

3. If any debris is noted in old fuel, add 1or 2 quarts of clean
kerosene to tank,stir, and drain again. This will prevent excess
debris from clogging fi lters during future use.
4. Replace fuel cap or drain plug. Properly dispose of old and
dirty fuel. Check with local automotive service stations that
recycle oil.

PREVENTATIVE MAINTENANCE SCHEDULE

WARNING: Never service heater while it is plugged in, operating, or hot. Severe
burns and electrical shock can occur.
Item
Fuel tank
Air output andlint fi lters
Air intake fi lter
Fuel fi lter
Ignitor
Fan blades
Motor

TROUBLESHOOTING

WARNING: Never service heater while it is plugged in, operating, or hot. Severe
burns and electrical shock can occur.
HEATER WITH FUSED OR NON-FUSED IGNITION CONTROL ASSEMBLY
ATTENTION: The ignition control has built-in protection against current overloads.
Use the light in the ON/OFF switch to troubleshoot the fault condition.
FAULT CONDITION
Motor does not start fi ve seconds
after heater is plugged in (ON/OFF
switch light remains on)
Motor starts and runs but heater
does not ignite (ON/OFF switch
light remains on)
How Often
Flush every 150-200 hours of operation or as
needed
Replace every 500 hours of operation or once a
year
Wash and dry with soap and water every 500
hours of operation or as needed
Clean twice a heating season or as needed
No maintenance required
Clean every season or as needed
Not required/permanently lubricated
POSSIBLE CAUSE
1. Bad electrical connection between motor
and ignition control assembly or ignition
control assembly and power cord
2. Binding pump rotor
3. Defective ignition control assembly
4. Defective motor
1. No fuel in tank
2. Pump pressure incorrect
3. Dirty fuel fi lter
4. Obstruction in nozzle assembly
5. Water in fuel tank
6. Bad electrical connection between
ignitor and ignition control assembly
7. Defective ignitor
8. Defective ignition control assembly
PREVENTATIVE MAINTENANCE SCHEDULE
5. If storing, store heater in dry place. Make sure storage place
is free of dust and corrosive fumes.
IMPORTANT: Do not store kerosene over summer months for
use during next heating season. Using old fuel could damage
heater.
How To
See Storing, Transporting,or Shipping
See Air Output, Air Intake, and Lint Filters, page
8
See Air Output, Air Intake, and Lint Filters, page
8
See Fuel Filter, page 6
See Fan, page 11
REMEDY
1. Check all electrical connections. See Wiring
Diagram, page 17
WARNING: High voltage!
2. If fan does not turn freely, see Pump Rotor, page
10
3. Replace ignition control assembly
4. Replace motor
1. Fill tank with kerosene
2. See Pump Pressure Adjustment, page 8
3. See Fuel Filter, page 6
4. See Nozzle Assembly, page 8
5. Drain and fl ush fuel tank with clean kerosene.
See Storing, Transporting, or Shipping, page 4
WARNING: High voltage!
6. Check electrical connections. See Wiring
Diagram, page 17
7. Replace ignitor, see page 7
8. Replace ignition control assembly, seepage 11
TROUBLESHOOTING
5
GB