Troubleshooting
14
English-14
Symptom
Problem
Solution
Burner will not
light or flame
self-
extinguished.
The fuel pump is shipped
from the factory dry of fuel
or the stove has been in
extended storage.
Read and follow the section titled
“Initial Fueling of Dry Pump”
(see page 8).
Burner will not
light or flame
self-
extinguished.
Fuel bottle empty.
Refill fuel bottle 2/3 full with clean and
fresh Coleman® fuel or unleaded fuel.
Burner will not
light or flame is
low or flame
self-
extinguished.
Little or no pressure in fuel
bottle.
Check connections for leaks and
pump 40 strokes.
Yellow flame.
Excess fuel in burner.
A yellow flame is normal until the
generator warms up. If yellow flame
persists, turn off stove, allow flame to
self-extinguish and the stove to cool.
If necessary, invert stove to remove
excess liquid fuel from the burner.
Follow lighting instructions.
Low heat.
Generator tip plugged.
Turn flame adjuster back and forth
several times to clean generator tip.
Be sure to use only fresh and clean
fuel.
Low heat.
Faulty generator.
Replace with a new generator. This is
a normal periodic maintenance
procedure. The generator life is
dependent on the type of fuel used.
Generator life is extended by using
clean Coleman® fuel.
Persistent small
yellow flame.
Faulty generator.
Replace with a new generator.
Persistent high
yellow flame.
Failure in the fuel delivery
system.
May need to replace pump assembly.
Please contact Consumer Service
(see page 17).
Intermittent
short blue flame
and rapid loss
of pressure.
Failure in the fuel delivery
system.
May need to replace pump assembly.
Please contact Consumer Service
(see page 17).
Yellow smokey
flame.
Spider webs, insects, or
other obstruction in the
burner and air tube.
Remove burner to inspect and clean
the burner and air tube.
Pump does not
pressurize the
liquid fuel
canister.
Pump seals are dry or
worn.
Squirt a few drops of oil in the
OIL
HOLE
in the pump cap. This will
keep the pump functioning properly
(Fig. 36). If this does not correct the
problem, replace the pump seals or
purchase a new pump assembly.
Intermittent
yellow flame.
Stove has been operated
for an extended period of
time at a low heat setting.
Adjust the flame to a higher setting
with the FLAME ADJUSTER.
Summary of Contents for Exponent Gemini 9780 Series
Page 19: ...Notes ...
