Dri-Eaz Dragon K85 Mobile Owner's Manual - Page 14

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TROUBLESHOOTING

In COLUMN 3, "FS" or Field Solutions can be handled by the technician in the field. Other solutions
should be handled by an Authorized Service Technician, or "AST."
PROBLEM
CAUSE
Burner does not start
No power to unit
up
HEAT switch not turned
on
Setpoint too low
Malfunction in the
automatic oil firing
system (Flame Safety
Control Button will
illuminate)
Air bubbles in fuel oil
line (especially on first
start up)
Thermal overload
Unit was turned off by
being unplugged
Burner starts up then
Fuel tank empty
shuts down, Flame
Control Reset Button
lights up
Fuel line shut-off valve
closed
Fuel lines not
connected
Fuel intake filter is dirty
Fuel pump screen is
dirty or damaged
Burner nozzle filter is
dirty
Fuel line leaks and lets
in air
Fuel pump produces no
pressure
Burner starts but does
No ignition spark
not ignite, Flame Safety
Control Button lights
up
Burner nozzle clogged
Flame goes out
Fuel intake filter is dirty
or burns unsteadily
Fuel pump screen is
dirty or damaged
Burner nozzle filter is
dirty
Fuel line leaks and lets
in air
Burner nozzle is
clogged
Combustion air mixture
adjusted improperly
Burner does not switch
Thermostat placed
off
improperly
Thermostat defective
Burner switches off too
Thermostat placed
early
improperly
Black or gray/white
Improper air to fuel ratio
smoke from flue
Black/white exhaust
Air intake vents are
dirty or obstructed.
07-00407 E 08/2006
Copyright 2006 Dri-Eaz Products, Inc.
See
SOLUTION
Above
FS
Plug in the unit; check power at outlet.
FS
Turn HEAT switch to "On.
FS
Reprogram the thermostat and raise the setpoint above
ambient temperature.
FS
Wait one minute, and then press the illuminated Flame
Safety Control Button.
FS
Press the Flame Safety Control Button. The burner will try to
start up. If the burner does not start after approx. 1 minute,
press the Flame Safety Control Button again. Repeat until
the fuel line is clear of air bubbles and the burner starts
FS
Press the Temperature-Limiter Reset Button. See section
on "Preventing Thermal Overload."
FS
Press the Temperature-Limiter Reset Button. See section
on "Shutting the Dragon off."
FS
Refill fuel tank.
FS
Open fuel line shut-off valve.
FS
Connect fuel lines.
FS
Replace the fuel intake filter.
FS
Clean or replace fuel pump screen.
AST
Call authorized service center.
AST
Call authorized service center.
AST
Call authorized service center.
AST
Call authorized service center.
AST
Call authorized service center.
FS
Replace the fuel intake filter.
FS
Clean or replace fuel pump screen.
AST
Call authorized service center.
AST
Call authorized service center.
AST
Call authorized service center.
AST
Call authorized service center.
FS
Move thermostat so that it is not subject to cold air flow from
doorways, windows, etc.
AST
Call authorized service center.
FS
Move thermostat so that it is not subject to warm air flow or
heat radiation from the sun, machines, hot water pipes, etc.
AST
Call authorized service center or HVAC specialist.
AST
Avoid setting up unit where the intake could be blocked or
restricted, i.e., tall grass, deep snow, etc. Blocking the air
intake will cause the unit to burn inefficiently resulting in
sooty exhaust and potential damage to the unit and the
structure being heated. Call authorized service center or
HVAC specialist.
14