Stuck or shorted key

Read SE as one particular pad that the board sees jammed on, as opposed to a broad electrical short, so the useful clue is which single button has quit behaving
Cut power, wipe the whole face down to lift the greasy skin that collects on a range-hood microwave, then walk each key through its press one at a time to find the one that stays down
Note the button that was last in use — the worn spot in the overlay almost always sits right under the most-pressed pad, and that is the failure point
Since the pads are one bonded sheet, a single dead key means the whole panel-and-touchpad assembly is renewed; the individual button cannot be repaired
Pro Diagnostic Tip
The value in SE is that it points at one stuck pad rather than a general panel short, so tracking down the single misbehaving button tells you exactly where the overlay wore through. It is nearly always the most-used key, and because the sheet is one piece the fix is the full touchpad assembly.
Repair Difficulty
Moderate — Some Experience NeededEstimated Repair Cost
$100–$225
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
High-voltage capacitor discharge tool ($90), magnetron tester ($200), microwave leakage detector ($150). Our technician arrives with $3,000+ in professional tools — your diagnostic is free.
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Frigidaire error code SE indicates: Stuck or shorted key. This is a medium-severity issue affecting your microwave.
Read SE as one particular pad that the board sees jammed on, as opposed to a broad electrical short, so the useful clue is which single button has quit behaving Then, Cut power, wipe the whole face down to lift the greasy skin that collects on a range-hood microwave, then walk each key through its press one at a time to find the one that stays down Then, Note the button that was last in use — the worn spot in the overlay almost always sits right under the most-pressed pad, and that is the failure point There are 1 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
Besides the error code on the display, common signs include: The microwave kicks on by itself; One specific pad has gone dead; A beep every time a particular button is pressed. If you notice any of these symptoms, check your microwave's display panel for error code SE.
Repair costs for Frigidaire SE typically range from $100 to $225 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.