Installation Guide
41
TROUBLESHOOTING
POSSIBLE CAUSE  SOLUTIONPROBLEM
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 o
The electronic 
components have 
not yet cooled 
suciently
The fan will turn o automatically 
when the electronic components have 
cooled suciently. 
Oven light is 
not working 
properly
Light bulb loose or 
burned-out. 
Reinsert or replace the light bulb. 
Touching the bulb with ngers 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 rst. 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: 1-888-784-3108.










