The light in the refrigerator won't turn on.
KitchenAid brand.
LED bulbs are powered from the lighting board.
After replacing the LED power control board, the lights came on

 

Water spilled and got on the display panel.
The indication stopped working.
Replaced the display board.
Checked.
Re-established operation.
Warranty.

The ice maker stopped making ice.
After replacing the central board the work resumed.
Difficult and interesting diagnosis.
Testing.
Warranty.

There was a problem with the fan.
The fan motor has been replaced.
Resolved the problem.
Checked.
Warranty

After diagnostics we found out the problem.
The convection heater of the oven was defective.
After replacement the oven continued to please the hostess.
Checked.
Warranty.