41
TROUBLESHOOTING
POSSIBLE CAUSE
SOLUTION
PROBLEM
Oven is not
heating
No power to the
oven
Reset the circuit breaker or replace the
fuse in the electrical box to your oven.
Oven control not
turned on
Make sure the oven temperature has
been selected
and timer is not "
OFF
".
Oven is not
cooking evenly
Not using the correct
bake ware or oven
rack position
Refer to cook charts for recommended
rack position. Always reduce recipe
temperature by 25 °F (15 °C) when
baking with Convention Bake mode.
Broil does
not work.
Knob settings are not
in the correct
positions.
Make sure oven temperature
selection knob is set to "
BROIL
" and
timer is not set to "
OFF
"
Cooling fan
continues to
run after oven
is turned off
The electronic
components have
not yet cooled
sufficiently
The fan will turn off automatically
when the electronic components have
cooled sufficiently.
Oven light is
not working
properly
Light bulb loose or
burned-out.
Reinsert or replace the light bulb.
Touching the bulb with fingers may
cause the bulb to burn out.
Oven light
stays on
Door is not closing
completely
Check for obstruction in oven door.
Check to see if hinge is bent or door
switch broken.
Cannot remove
lens cover
Soil build-up around
the lens cover.
Wipe lens cover area with a clean, dry
towel prior to attempting to remove
the lens cover.
Heat blowing out
from the front
of oven.
Oven cavity
ventilation on
The oven cavity ventilation is
operating until the oven is sufficiently
cooled.
This is normal.
Excessive
Moisture
When using bake mode, preheat
the oven first. Convection Bake and
Convection Roast will eliminate any
moisture in the oven.
Porcelain Chips Porcelain interior
is bumped by oven
racks
When removing and replacing oven
racks, always tilt racks upward and do
not force them to avoid chipping the
porcelain.
FOR MORE HELP, VISIT COSMOAPPLIANCES.COM
OR CALL COSMO CUSTOMER SUPPORT: 1-8
88-784-3108
.
Summary of Contents for COS-DFR304
Page 12: ...12 DIMENSION DIAGRAM DFR304...
Page 13: ...13 DIMENSION DIAGRAM DFR366...
Page 14: ...14 DIMENSION DIAGRAM DFR486G...
Page 15: ...15 CIRCUIT DIAGRAMS DFR304 DFR366...
Page 16: ...16 CIRCUIT DIAGRAMS DFR486G...
Page 45: ...NOTE...