KitchenAid Cooktop Code F40: Possible Touchpad or Power Board Fault
F40 points to the touchpad, the power control board or the wiring. A breaker reset is the single listed owner step.
Model compatibility: KitchenAid reuses codes across series and model years, so F40 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
What this code means
KitchenAid says there may be a problem with the User Interface (Touchpad), the Cooktop Power Control Board or the associated wiring.
Three suspects, no ranking
The F40 article says the trouble may lie with the touchpad (the User Interface), with the Cooktop Power Control Board, or with the wiring tying the two together. It gives no hint which, and no way to find out.
At a glance
| Code | F40 |
|---|---|
| What it means | A possible problem with the touchpad, the Cooktop Power Control Board or the wiring between them. |
| What you can check | Switch off power at the breaker or breakers for a minute, switch it on, and check for F40 over the next minute. Confirm the cooktop operates. Leave the glass top and panels in place. |
| When to call a technician | Work on boards, touchpads or wiring is for technicians, so book service if F40 returns after the reset. Give the code and model number. |
| As named | Everyday meaning (general, not KitchenAid’s) |
|---|---|
| User Interface (Touchpad) | The spot where you pick how hot a zone gets |
| Cooktop Power Control Board | Electronics that hand out power to each burner area |
| Associated wiring | The links among those parts |
Owner steps
- Switch off power at the breaker (or breakers) for a minute.
- Switch it on.
- Check for F40 over the next minute.
- Confirm that the cooktop operates.
Where that leaves you
No more steps are listed. Work on boards, touchpads or wiring is for technicians, so a code that returns means arranging service. Electric and induction cooktops get identical wording.
Until then
- Leave the glass top and every panel in place.
- Remember that the cooktop carries mains power.
- Let the glass cool down before wiping it or looking closely.
Codes whose wording overlaps
- F47: identical trio, mentioned in another order.
- F42 / F43 / F58: the board and its wiring only.
- F56 / F60: just the touchpad with its connections.
Cooktop repair coverage
For F40, call (844) 919-2035 if you are in the Miami, New York, Houston, Los Angeles or San Diego metro areas, and give the code and model number. See also the cooktop repair page.
Source: KitchenAid Product Help, Electric Cooktop: Error Code or Indicator Light
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Sources & references
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