Desa BV125EDI - Manual (Page 9)

9
WARNING !
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 flame-out control
See Pump Pressure
Adjustment, page 11.
See Air Output, Air Intake
and Lint Filters, page 11.
See Fuel Filter,
page 12.
See Nozzle, page 13.
Clean photocell lens.
Replace flame-out control.
Heater ignites, but
flame-out control
shuts off heater after
a short period of
time.
Never service heater while it is plugged in, operating, or
hot. Severe burns and electrical shock can occur.
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
See Pump Pressure
Adjustment, page 11.
See Spark Plug, page 12.
See Fuel Filter,
page 12.
See Nozzle, page 13.
Drain and flush fuel
tank with clean
kerosene. See Storage,
page 8.
Make sure electronic ig-
nitor mounting is tight.
Replace electronic
ignitor.
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 turns
slowly or does not
turn. Flame-out control not reset
Binding pump rotor
Reset flame-out control
button (see Figure 5,
page 7).
If fan is hard to
turn, see Pump Rotor,
page 14.