Troubleshooting - Desa 100 Owner's Manual

TROUBLE-
SHOOTING
099176
Never service heater while it is plugged in, operating, or
hot. Severe burns and electrical shock can occur.
OBSERVED FAULT
Heater ignites, but
flame-out control
shuts off heater after
a short period of
time.
Heater will not
ignite, but motor runs
for a short period of
time.
!
WARNING: High voltage!
Motor does not start
when heater is plugged
in, fan rotates slowly
or does not turn.
!
WARNING
POSSIBLE CAUSE
Wrong pump pressure
Dirty air output, air intake
and lint filters
Dirty fuel filter
Dirt in nozzle
Dirty photocell lens
Bad flame-out control
Wrong pump pressure
Carbon deposits on spark
plug and/or improper gap
Dirty fuel filter
Dirt in nozzle
Water in fuel tank
Electronic ignitor not
grounded
Bad electronic ignitor
Flame-out control not reset
Solid state relay not
allowed to reset
Binding pump rotor
REMEDY
See Pump Pressure
Adjustment, page 11.
See Air Output, Air Intake
and Lint Filters, page 10.
See Fuel Filter, page 11.
See Nozzle, page 12.
Clean photocell lens.
Replace flame-out control.
See Pump Pressure
Adjustment, page 11.
See Spark Plug, pages 11
and 12.
See Fuel Filter, page 11.
See Nozzle, page 12.
Drain and flush fuel
tank with clean kerosene.
See Storage, page 8.
Make sure electronic ig-
nitor mounting is tight.
Replace electronic ignitor.
Press flame-out control
reset button.
Wait two minutes
before trying to restart
heater.
If fan is hard to turn, see
Pump Rotor, page 13.
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