Desa 4 (90 Fan User Manual


 
9
102748
TROUBLE-
SHOOTING
OBSERVED FAULT POSSIBLE CAUSE REMEDY
Wrong pump pressure
Dirty air output, air intake,
and lint filters
Dirty fuel filter
Dirt in nozzle
Dirty photocell lens
Bad burner control
Heater ignites, but
burner control shuts
off heater after a
short period of time.
See Pump Pressure
Adjustment, page 13.
See Air Output, Air Intake
and Lint Filters, page 13.
See Fuel Filter, page 10.
See Nozzle, pages 14 and 15.
Clean photocell lens.
Replace burner control.
WARNING ICON G 001
WARNING
Never service heater while it is plugged in, operating, or hot.
Severe burns and electrical shock can occur.
Heater will not
ignite, but motor runs
for a short period of
time.
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 (earthed)
Bad electronic ignitor
See Pump Pressure
Adjustment, page 13.
See Spark Plug, pages 11
and 12.
See Fuel Filter, page 10.
See Nozzle, pages 14 and 15.
Drain and flush fuel tank
with clean kerosene. See
Storing, Transporting, or
Shipping, page 8.
Make sure electronic
ignitor mounting is tight.
Replace electronic
ignitor.
Motor does not start
when heater is
plugged in, fan
rotates slowly or
does not turn.
Burner control not reset
Binding pump rotor
Reset burner control
button, see Figures 5
and 6, page 7.
If fan is hard to turn, see
Pump Rotor, page 16.
WARNING ICON G 001
WARNING: High voltage!