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Troubleshooting - KitchenAid YKHMS2050SS User Instructions

Microwave hood combination
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First try the solutions suggested here or visit our website, and reference FAQs (Frequently Asked Questions)
Microwave oven will not operate
Check the following:
Household fuse or circuit breaker
If a household fuse has blown or a circuit breaker has tripped,
replace the fuse or reset the circuit breaker. If the problem
continues, call an electrician.
Household inverter power supply
The power source for this microwave oven is an inverter, and is
incompatible with household inverter power supplies.
Try to heat 1 cup (250 mL) of cold water for 2 minutes at 100%
cooking power. If water does not heat, try the steps in the
bullets below. If microwave oven still does not operate, call
for service.
Firmly close door. On some models, if a packaging spacer is
attached to inside of the door, remove it, then firmly close door.
If a message about the door appears in the display, the door
has been closed for 5 minutes or more without the microwave
oven being started. This occurs to avoid unintended starting of
the microwave oven. Open and close the door, then start
the cycle.
Make sure control is set properly. Make sure Control Lock is off.
Make sure Demo Mode (on some models) is off.
Arcing in the microwave oven
Check the following:
Soil buildup
Soil buildup on cavity walls, microwave inlet cover, cooking
rack supports, and area where the door touches the frame can
cause arcing. See "General Cleaning" in "Microwave Oven
Care" section.
Turntable alternates rotation directions
This is normal and depends on motor rotation at the beginning
of the cycle.
Following is a list of available parts and supplies which may be purchased separately. Please refer to the cover for contact and model
identification information.
Replacement Parts
Turntable support and rollers
Turntable hub
Cooking rack (for some models)
Rack spacer
Rack hook
Grease filters
Charcoal filter(s)
Cooktop light bulb
Cavity light bulb


to possibly avoid the cost of a service call.
In the U.S.A., In Canada,
Replacement Parts, Accessories and Cleaning Supplies
Odor and smoke coming from microwave oven during
convection cooking
This is normal for the first few convection cycles. The odor will
dissipate with repeated use.
Quartz bulb does not appear to be on
This is not unusual. See "Grill Element" in the "Features"
Is the element still working properly?
Place 2 slices of bread on the tall grill rack, place the rack on
the turntable and close the door. Program the microwave oven
using manual grill – without microwaves – for 4 minutes. The
bread should toast dark brown. If it does not toast, call for
Radio, TV or cordless phone interference
Check the following:
Move the receiver away from the microwave oven, or adjust the
radio or TV antenna.
Make sure the microwave oven door and sealing surfaces are
Some 2.4 GHz-based cordless phones and home wireless
networks may experience static or noise while microwave
oven is on. Use a corded phone, a different frequency
cordless phone or avoid using these items during microwave
oven operation.
Fan running during cooktop usage
This is normal. The microwave oven's cooling fan (on some
models), which is separate from the vent fan, automatically
comes on during microwave oven operation to cool the
microwave oven. It may also automatically come on and cycle
on and off to cool the microwave oven's controls while the
cooktop below is being used.
Fan running after cooking is finished
This is normal for convection and grill use. The fan may run for
up to 10 minutes to cool the microwave oven.
Provided Accessories
Steamer vessel
Pan and handle
Convection rack (provided with some models)
Grill rack (provided with some models)
Cleaning Supplies
Heavy Duty Degreaser
All-Purpose Appliance Cleaner
Stainless Steel Cleaner and Polish
Stainless Steel Wipes

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