Resetting the Frigidaire LFMV164QFA microwave restores power after a surge or control lock. Unplug the unit for five minutes then reconnect it to the outlet before testing the display.
This sequence clears stored faults in the control board without requiring service tools. Follow the steps below to complete the process safely and confirm full function returns.
Gather Supplies for LFMV164QFA Reset
Owners need a few basic items to handle the reset safely and check for simple electrical faults. A voltage tester confirms outlet power while a flashlight helps inspect the cord and plug area. Keep a notepad nearby to record any error codes that appear after power returns. These supplies prevent unnecessary trips during the procedure and support accurate diagnosis if the initial reset fails.
Voltage tester
Flashlight
Notepad and pen
Insulated gloves
Frigidaire LFMV164QFA Breaker and Voltage Checks
Safety steps protect against shock when working near the microwave power cord and outlet. Turn off the circuit breaker that supplies the appliance first. Verify zero voltage at the outlet with the tester before touching any connections. Clear the countertop area to avoid spills or items that could interfere with the cord during reconnection. These actions reduce risk and keep the workspace organized throughout the task.
Frigidaire LFMV164QFA Power Interruption Reset
The core reset requires a timed power interruption to clear the control board memory. Unplug the Frigidaire LFMV164QFA from the wall outlet. Wait exactly five minutes to allow capacitors to discharge fully. Plug the cord back into the outlet firmly. Press the clock set buttons to restore the time display and test the keypad response.
A single sentence warning follows. Never bypass the breaker step when the outlet shows live voltage.
LFMV164QFA Outlet and Power Cord Checks
Persistent no power after the reset often points to a tripped breaker or faulty outlet rather than the microwave itself. Test the outlet with another appliance to confirm it supplies power. Inspect the cord for visible damage or loose prongs that prevent contact. Replace the cord only if damage appears and matches factory specifications for the LFMV164QFA model.
| Component | Check Method | Replacement Indicator |
|---|---|---|
| Outlet | Voltage tester reading | Zero volts after breaker reset |
| Cord | Visual inspection | Cuts or melted insulation |
| Breaker | Panel label match | Trips repeatedly on load |
LFMV164QFA Internal Fuse Replacement Steps
Some LFMV164QFA units contain an internal fuse that opens after power surges. Access requires removal of the outer cover and should occur only after the unit is unplugged and discharged. Locate the fuse near the power entry point on the circuit board. Match the amperage and voltage rating exactly when installing a new fuse to avoid further damage.
Verify Installation Requirements for Model LFMV164QFA
Proper installation ensures the microwave receives stable power and avoids repeated resets. Confirm the dedicated 15 or 20 amp circuit matches the model rating listed on the data plate. Maintain at least three inches of clearance above the unit for ventilation. Secure the mounting bracket to wall studs to prevent movement that could stress the power cord over time.
Frigidaire LFMV164QFA Test Cycle Verification
After power returns run a short test cycle to confirm all functions operate. Place a microwave safe cup of water inside and run for thirty seconds. Listen for the fan and turntable motor while watching the display for steady operation. Record any unusual noises or shutdowns for further troubleshooting if needed.
Frigidaire LFMV164QFA Cycle and Switch Test
Run the unit through a full minute cycle and confirm the door switch engages without error codes. Check that the interior light activates and the keypad accepts all inputs. This final check locks in the reset success and identifies any remaining hardware issues before daily use resumes.

Hey, I’m Jake. I focus on cooling systems at Appliance Mastery, like fridges, freezers, and air conditioners.
I’ve worked in appliance repair for more than ten years and I’m certified through NASTeC. I’ve seen just about every fridge issue you can imagine.
My goal is to help you fix problems without stress. Whether it’s a freezer that won’t cool or an AC that keeps beeping, I’m here to walk you through it.