How to fix error f3h in kitchenaid microwave - KitchenAid KHHS179LSS Convection / Microwave Oven

SOURCE: kitchenaid microwave khhs179lss-0 has error

Hi, F3H mean that Humidity Sensor Failure. You have to refer to the Tech Sheet and test the sensor.

SOURCE: kitchenaids microwave error message F2.Q1. What to

F2.Q1 Not reading keypad
inputs
1. Unplug microwave oven or disconnect power.
2. Replace the user interface board (UIB).
3. Replace the door control assembly.
4. Replace all parts and panels before operating.
5. Plug in microwave oven or reconnect power.

Many of the error codes may be solved by power cycling: unplug microwave oven or
disconnect power. After one minute, plug in microwave oven or reconnect power.

i found this info on a tech sheet hope this helps, let me know how it goes... some of those electronics had 5 year parts warranty i would check that out....Also u might be better of buying a new one if its out of warranrty as some of those boards are expensive, obvioulsy unplug unit first try to reset it self.