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Troubleshooting an F90 Error Code on a Range

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Hi. Wayne here from Sears PartsDirect.

Today we’re going to talk about what to do when you see an F90 error code on your

range.

You’ll see this code when you try to lock or unlock the oven door on a range with a

lock feature like this one.

The F90 code means the electronic oven control board detects a problem with the door lock

system.

The F90 code can appear when you try to start a self-clean cycle, which uses the door lock.

You might also see the F90 code when the self-clean cycle ends and the electronic control can’t

unlock the oven door.

In this troubleshooting video, we’ll examine the components in the door lock system to

find out which part has failed.

These include the control board, the wiring and the oven door lock motor assembly.

The oven door lock assembly includes the door lock motor and the door lock switch.

Let’s get started.

You need a nut driver to remove the range back panels and a multimeter to perform electrical

checks during this troubleshooting.

You may also need a Phillips screwdriver to disassemble parts for testing.

First, unplug the range and pull it out of the cabinet.

If you have a gas range, shut off the gas supply.

Remove the screws and pull off the top and the bottom back panels.


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