KitchenAid Range Code 4d52: Oven door lock circuit

What 4d52 means

The reading 4d52 on a KitchenAid range completes the 4d5 pair with the same warning as 4d51: a possible problem with the oven door latch assembly, the door switch, or the associated wiring. The code is written in lower case and is not tied to a model. Owners notice it when the oven seems unwilling to start with the door shut.

Common causes of 4d52

Oven door latch assembly
Door switch reading
Latch wiring connection

✓ One safe check you can try

1. Press Cancel and let the oven cool a little. 2. Look at the door edge for anything caught between the door and the oven opening. 3. Close the door slowly. 4. Cycle the range breaker off for a minute and on again. 5. Try a bake. Call us if 4d52 shows once more.

! Why to stop there

The control only trusts the door when the latch and switch agree.
Sorting out which of the three areas needs repair takes testing.
We state the price in writing first and stand behind the work for 30 days.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Range codes

Press Cancel to ResetKitchenAid Range Message "Press Cancel to Reset": Clear the Error Probe or Insert ProbeKitchenAid Range Display "Probe" or "Insert Probe": Meat Probe Needed PUSH or PSHKitchenAid Range Display "PUSH" or "PSH": Start Not Pressed Remote Indicator LightKitchenAid Commercial-Style Range Remote Indicator Light: Remote-Enabled Sabbath ModeKitchenAid Range "Sabbath Mode": Bake Stays On Sabbath, Sab, 5Ab, or 5A7KitchenAid Range Code Sabbath, Sab, 5Ab, or 5A7: Sabbath Mode is on Start Button BlinkingKitchenAid Range Message "Start Button Blinking": press Start to begin Start Button - Solid LightKitchenAid Range Message "Start Button - Solid Light": Sabbath Mode lighting

4d524d52 questions

Is 4d52 harmful to the oven?

The code itself is a warning about the door circuit. Running the oven with a poorly sensed door is not advised, so wait for a check before the next bake.

Could a bent door be the cause?

A door that does not close squarely could affect the latch or switch. A technician looks at the door fit along with the switch and the wiring.

What should I tell you on the phone?

Give the full code 4d52, what the oven does when you close the door and whether a reset helped. It lets us prepare for the visit and quote correctly.