Quick answer
If a GFCI won't reset, turn off the power, check for tripped breakers, test the outlet with a multimeter, and replace the GFCI if it's faulty. Always ensure the power is off before working on electrical systems.
Confirm the symptom
- GFCI outlet won't reset after tripping
- Reset button is pushed in but doesn't pop out
- Other outlets on the same circuit also don't work
Tools and prep
- Voltage tester or multimeter
- Screwdriver (flathead or Phillips, depending on outlet)
- Replacement GFCI outlet (if needed)
- Safety gloves and goggles
- Turn off power at the circuit breaker before starting
Step-by-step troubleshooting
- Turn Off PowerDo: Locate and turn off the circuit breaker that controls the GFCI outlet.Observe: The power to the outlet is off and safe to work on.Means: You can safely proceed without risk of electric shock.Next: Test the outlet
- Test the OutletDo: Use a voltage tester or multimeter to check if there is power at the outlet.Observe: The tester shows no power is present.Means: The power is off and it's safe to proceed with further steps.Next: Inspect the GFCI outlet
- Inspect the GFCI OutletDo: Check for visible damage, water exposure, or loose wires.Observe: No obvious damage or water is found.Means: The issue may be internal or related to the circuit.Next: Test the GFCI outlet
- Test the GFCI OutletDo: Press the test button on the GFCI outlet. If it trips, try pressing the reset button again.Observe: The test button trips and the reset button can be pressed.Means: The GFCI is functioning but may have an intermittent issue.Next: Check for Tripped Breakers
- Check for Tripped BreakersDo: Inspect the circuit breaker panel for any tripped breakers related to the GFCI outlet.Observe: A breaker is found in the 'off' position or partially tripped.Means: The breaker may need to be reset or replaced.Next: Reset the Breaker
- Reset the BreakerDo: Turn the tripped breaker fully to the 'off' position and then back to 'on'.Observe: The breaker stays in the 'on' position.Means: Power should now be restored to the GFCI outlet.Next: Test the GFCI outlet again
- Test the GFCI Outlet AgainDo: Press the reset button on the GFCI outlet and check if it stays reset.Observe: The reset button stays out and the outlet works.Means: The issue was resolved by resetting the breaker.Next: Final check
- Final CheckDo: Plug in a device and test if the GFCI outlet is working properly.Observe: The device works and the GFCI functions as expected.Means: The problem is resolved.Next: Complete
Common causes
| Cause | Likelihood | Difficulty | Part often needed |
|---|---|---|---|
| Tripped Circuit Breaker The circuit breaker may have tripped due to an overload or short circuit. | Common | Easy | None |
| Faulty GFCI Outlet Internal components may be damaged or worn out, preventing the outlet from resetting. | Common | Easy–Medium | GFCI outlet |
| Water or Moisture Exposure Moisture can cause the GFCI to trip and prevent it from resetting. | Sometimes | Easy | None |
| Loose or Damaged Wires Loose connections or damaged wires can disrupt the circuit and prevent the GFCI from resetting. | Sometimes | Medium | Wire connectors or replacement wires |
| Overloaded Circuit Too many devices on the same circuit can cause the GFCI to trip and not reset. | Sometimes | Easy | None |
| Faulty Appliance or Device A faulty appliance connected to the GFCI outlet can cause it to trip and not reset. | Rare | Easy | None |
| Wiring Issues in the Circuit Incorrect wiring or a short in the circuit can prevent the GFCI from resetting. | Rare | Hard | Electrical wiring kit or professional help |
Parts matching
If you need to replace your GFCI outlet, here are common parts that may be needed:
- GFCI outlet (15A or 20A, depending on your circuit)
- Wire connectors (for securing wires)
- Voltage tester or multimeter (for testing power)
- Screwdrivers (for removing and installing the outlet)
Make sure to match the amperage rating of the new GFCI outlet to your existing circuit for safety and proper function.
When to call a professional
- The GFCI outlet continues to trip or won't reset after replacement
- You find damaged or frayed wiring that you're not comfortable repairing
- Multiple outlets on different circuits are affected
- You smell burning or see signs of electrical arcing
- The circuit breaker continues to trip even after resetting
FAQ
Why won't my GFCI outlet reset after tripping?
A GFCI outlet may not reset if there is still a fault in the circuit, such as a short, overload, or moisture. Check for tripped breakers, water exposure, and faulty devices connected to the outlet.
Can a GFCI outlet fail over time?
Yes, GFCI outlets can fail due to age, frequent use, or exposure to moisture. It's recommended to test them monthly and replace if they show signs of failure.
Is it safe to replace a GFCI outlet myself?
Yes, as long as you turn off the power at the circuit breaker and follow proper safety procedures. If you're unsure, consult a licensed electrician.
How do I know if the GFCI outlet is faulty?
If the outlet won't reset after checking for tripped breakers and removing connected devices, it's likely faulty and should be replaced.
Can a faulty appliance cause a GFCI to trip and not reset?
Yes, a faulty appliance can cause a GFCI to trip. Unplug all devices and try resetting the outlet. If it resets, plug in devices one at a time to identify the faulty one.