F40 Minor Easy DIY

Frigidaire Range/Oven F40 / F41 — Cooktop Lock Out

Frigidaire Oven · Error code F40

What F40 Means

F40 (and F41) indicate the cooktop is locked out — usually the control lock is engaged.

Symptoms

  • Cooktop will not turn on
  • F40 or F41 on the display

Common Causes

1
Control lock engaged

The lock/child-lock feature is on.

2
Touch/control fault

Less commonly, a control or touch fault.

How to Fix It

  1. Disable the control lock per your model (often hold the Lock button for a few seconds).
  2. If F40/F41 persists with the lock off, reset at the breaker; the control may need service.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Frigidaire Oven Control Board (EOC) View on Amazon→

More Frigidaire Oven Codes

F0 F0 — Touchpad / Membrane Communication Error F1 F1 — Runaway Temperature / Stuck Key (Older Models) F10 F10 — Runaway Temperature F11 F11 — Shorted keypad button F12 Range/Oven F12 — Control Microprocessor Fault F13 Range/Oven F13 — Control Memory (EEPROM) Failure

All Frigidaire codes → All oven codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.