Frigidaire Oven Door Lock Motor & Switch Assembly Replacement — What This Part Does
The door lock latch motor and switch assembly is a safety device that automatically locks the oven door during the self-clean cycle. The motor drives a latch rod to engage or disengage the door lock, and the built-in switch tells the control board whether the door is locked or unlocked. When this assembly fails, the control cannot verify latch position or move the latch, so the door may stay stuck closed after cleaning or the oven may refuse to start the self-clean cycle.
Common failure causes include a burned-out latch motor, worn internal gears or actuator inside the assembly, failed switch contacts that no longer send correct position signals to the control, and binding or misalignment in the latch rod or linkage. Loose or corroded wiring at the motor and switch terminals can also prevent proper operation. Because the motor and switch are integrated into one assembly, the entire unit is replaced rather than repaired.
Signs It Needs Replacing
- Door will not lock when you start self-clean The motor hums or clicks but the latch does not move, or nothing happens when you initiate the cleaning cycle.
- Door stays locked after self-clean finishes The latch will not retract even after the oven cools, and you cannot open the door.
- Error code on the display related to door lock The control shows an F90, F91, or similar fault code indicating it cannot read or drive the latch position switch.
- Latch cycles continuously or erratically You hear repeated clicking or the motor runs on and off without completing a full lock or unlock cycle.
- Self-clean cycle aborts immediately The oven cancels the cleaning cycle right after you start it because the control cannot confirm the door is locked.
- Burning smell or scorched wiring at the rear panel You smell electrical burning near the back of the range, often from overheated motor windings or damaged terminal connections.
How to Replace It
- Disconnect power to the range at the circuit breaker or unplug the unit, and if you have a gas range turn off the gas supply valve before working behind the appliance.
- Pull the range away from the wall to access the rear panel, then remove the lower rear access panel by unscrewing the sheet-metal screws around its perimeter.
- Locate the door lock latch motor and switch assembly mounted near the center or side of the rear frame, with a connecting rod running forward to the door latch.
- Take a clear photo of the wire harness connections and the orientation of the latch rod before you disconnect anything.
- Unplug the wire harness from the motor and switch terminals, then remove the mounting screws that secure the assembly to the frame bracket.
- Tilt or slide the assembly to release the latch rod from its keeper or clip on the motor arm, and carefully pull the assembly free.
- Install the new latch motor and switch assembly in the reverse order, reconnecting the latch rod first and then threading in the mounting screws finger-tight before final tightening.
- Reconnect the wire harness exactly as shown in your reference photo, checking that each terminal is fully seated and corrosion-free.
- Reinstall the rear access panel, restore gas and electrical power, then test the door lock function by starting and canceling a self-clean cycle to confirm the latch engages and releases smoothly.
The Part You Need
| Part | Notes |
|---|---|
| Frigidaire door lock latch motor and switch assembly | Amazon | OEM part numbers include 5304528973, 318261230, 318095957, 316464300, 316137500, and 316415400 depending on your model. Find your exact part by matching the model and serial number from the tag inside the oven door frame or on the front panel edge to the manufacturer’s parts lookup. |
Related Error Codes
If this part is failing you may also see one of these codes:
- Frigidaire Oven F1 error code
- Frigidaire Oven F10 error code
- Frigidaire Oven F11 error code
- Frigidaire Oven F12 error code
- Frigidaire Oven F13 error code
- Frigidaire Oven F2 error code
- Frigidaire Oven F20 error code
- Frigidaire Oven F26 error code
- Frigidaire Oven F3 error code
- Frigidaire Oven F30 error code
When to Call a Pro
Call a qualified appliance technician if you are uncomfortable working with live electrical connections or pulling a gas range away from the wall and disconnecting the gas supply. A pro can also diagnose whether the issue is the latch assembly, the control board that drives it, or binding in the door hinge and latch linkage that needs mechanical adjustment. On dual-fuel or slide-in ranges with complex rear cabinetry access, professional disassembly is often the safest route. For gas line, burner, or igniter work, or if you ever smell gas, stop and call a licensed technician.