KitchenAid Microwave Oven
18 fault codes documented
Arcing in the microwave oven - Sparks or flashes during operation
Sparks or flashes are visible inside the microwave oven cavity during operation. This is typically caused by food residue or other soil buildup.
Auto hood fan turns on high speed and cannot be turned off - Overheating prevention
The microwave oven's auto hood fan will automatically activate at high speed if the temperature from the range or cooktop below gets too hot. During this time, the fan cannot be manually turned off by the user.
CONTROL LOCKED displayed with 2 tones - Control Lock is active
The microwave oven's control panel is locked to prevent unintended operation. You will hear two tones and see 'CONTROL LOCKED' appear on the display when this feature is active.
Fan running during cooktop usage - Normal cooling operation
The microwave oven's internal cooling fan, which is separate from the vent fan, automatically activates to cool the microwave during its operation. It may also cycle on and off to cool the controls when the cooktop below is in use.
Door message appears in display — Door closed too long without starting
A message in the display indicates that the microwave door has been closed for five minutes or longer without starting a cooking cycle. This safety feature prevents unintended operation.
Display shows "Enter clock" with flashing digits - Power failure detected
The display shows 'Enter clock' with flashing digits, indicating that there has been a power interruption or power failure to the appliance. The clock needs to be reset.
Letter followed by a number in display — General error
The display shows a combination of a letter and a number, which signifies a general error within the microwave oven system. This type of error typically requires professional assistance.
Cooling fan running during cooktop usage — Normal operation
It is normal for the microwave oven's cooling fan to automatically turn on and off while the cooktop below is in use. This fan is separate from the vent fan and helps cool the microwave's controls.
Filter status indicator appears — Time to clean or replace filters
A filter status indicator on the display means it is time to perform maintenance on the microwave's filters. This typically means cleaning the grease filter or replacing the charcoal filter.
Flashing ':' or 'PF' in display — Power failure
The display shows a flashing colon (':') or 'PF', indicating that the microwave oven experienced a power failure. The clock setting has been lost.
Radio, TV, or cordless phone interference - Electrical noise affecting other devices
Other electronic devices like radios, TVs, or cordless phones may experience static or noise when the microwave oven is operating. This interference can be caused by proximity or frequency conflicts.
Display shows a letter followed by a number - General error indicator
The microwave oven display shows a combination of a letter and a number, which is a general error indicator suggesting a fault that requires professional attention.
Microwave oven will not operate - Appliance not powering on or starting
The microwave oven does not respond or start a cooking cycle. This can be due to issues with the electrical supply, the door, or control settings.
Odor and smoke during first convection cycles — Normal break-in
It is normal to experience some odor and smoke during the first few times the convection cooking feature is used. This is a common occurrence as the appliance is breaking in.
Padlock icon with 2 tones — Control Lock activated
The Control Lock feature is active, preventing unintended operation of the microwave oven. Two tones will sound when activated, and a padlock icon will show on the display.
Radio, TV, or cordless phone interference during microwave use
Other electronic devices such as radios, televisions, or 2.4 GHz cordless phones and home wireless networks may experience static or noise when the microwave oven is operating. This is due to electromagnetic interference.
Turntable alternates rotation directions - Normal operation
The turntable may rotate in different directions at the beginning of a cooking cycle. This is a normal function and depends on the motor's starting rotation.
Microwave oven will not operate
The microwave oven is not turning on or responding to commands. This can be due to power issues, the door not being fully closed, or incorrect control settings.