hestan KSO 30 Manuel D'utilisation page 42

SOLVING OPERATIONAL PROBLEMS
Before calling for service, check the following to avoid unnecessary service charges.
Oven Problem
EN
F03 or F04 Error appears
in the display window.
Other F__ Error appears in
the display window.
The oven display stays
OFF
Cooling fan continues to
run after oven is turned
off
Oven door is locked and
will not release, even after
cooling
Oven is not heating
Oven is not cooking
evenly
Oven temperature is too
hot or too cold
Oven light is not working
properly
Oven light stays on
Cannot remove lens cover
on light
Oven will not Self-Clean
properly
Clock and timer are not
working properly
Excessive moisture
Porcelain chips
Is the control knob set to
the proper heat level?
40
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A problem with latch mechanism occurred. Remove power and
turn it back on again after a few seconds. The oven should run a
latch auto–test. If condition persists, note the code number and
call for service.
Remove power and turn it back on again after a few seconds. If
condition persists, note the code number and call for service.
Turn off power at the main power supply (fuse or breaker box).
Turn breaker back on. If condition persists, call for service.
This is normal. The fan turns off automatically when the
electronic components have cooled sufficiently.
Turn the oven off at the circuit breaker and wait a few seconds.
Turn breaker back on. The oven should reset itself and will be
operable.
Check the circuit breaker or fuse box to your house. Make sure
there is proper electrical power to the oven. Make sure the oven
temperature has been selected.
Refer to cook charts for recommended rack position. Always
reduce recipe temperature by 25°F [15°C] when baking with
Convention Bake mode.
The oven thermostat needs adjustment.
Contact Hestan Customer Care. .
Replace or reinsert the light bulb if loose or defective. See
"Replacing an Oven Light" on page 38. Touching the bulb with
fingers may cause the bulb to burn out.
Check for obstruction in oven door. Check to see if hinge is bent
or door switch broken.
There may be a soil build-up around the lens cover. Wipe lens
cover area with a clean dry towel prior to attempting to remove
the lens cover.
Allow the oven to cool before running Self-Clean. Always wipe
out loose soils or heavy spillover before running Self-Clean. If
oven is badly soiled, set oven for a four-hour Self-Clean.
See "Self-Cleaning the Oven" on page 33. .
Make sure there is proper electrical power to the oven. See the
"Setting the Clock and Timer" on page 17. .
When using Bake mode, preheat the oven first. Convection Bake
and Convection Roast will eliminate any moisture in oven (this is
one of the advantages of convection).
When oven racks are removed and replaced, always tilt racks
upward and do not force them to avoid chipping the porcelain..
See "Setting Cooking Mode and Temperature" on page 18. .
Problem Solving Steps