Quick answer
Turn off power at the breaker, press the reset button, and check for tripped breakers or damaged outlets. If it still won't reset, test for faults and replace if necessary.
Confirm the symptom
- GFCI outlet won't reset after tripping
- Reset button is stuck or unresponsive
- GFCI outlet has power but won't reset
- Other outlets on the same circuit may also be affected
Tools and prep
- Voltage tester or multimeter
- Screwdriver (flathead and/or Phillips)
- 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: Switch off the circuit breaker that controls the GFCI outlet.Observe: The outlet should lose power.Means: Power is safely disconnected for work.Next: Test the outlet with a voltage tester to confirm no power is present.
- Check for Tripped BreakerDo: Look at the circuit breaker panel for a tripped breaker.Observe: A tripped breaker will be in the 'off' position or between on/off.Means: The breaker may need to be reset before the GFCI will reset.Next: Reset the breaker and try the GFCI again.
- Press the Reset ButtonDo: Press the reset button on the GFCI outlet firmly.Observe: The button should pop out slightly when reset.Means: The outlet may have tripped and needs to be reset.Next: If the button is stuck or doesn't reset, move to the next step.
- Test for Electrical FaultDo: Use a voltage tester to check for power at the outlet.Observe: If power is present but the outlet won't reset, there may be an internal fault.Means: The GFCI outlet may be damaged and need replacement.Next: Inspect the outlet for visible damage or water exposure.
- Inspect for Damage or WaterDo: Look for signs of water, burn marks, or physical damage to the outlet.Observe: Visible damage or water exposure indicates a fault.Means: The outlet is likely damaged and needs replacement.Next: Replace the GFCI outlet if damage is found.
- Test Other Outlets on the CircuitDo: Check if other outlets on the same circuit are also affected.Observe: If other outlets are also not working, the issue may be upstream.Means: The problem could be with the circuit breaker or wiring.Next: Consult an electrician if multiple outlets are affected.
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. | Common | Medium | GFCI outlet |
| Water or Moisture Exposure Moisture can trigger a GFCI to trip and prevent it from resetting. | Sometimes | Easy–Medium | GFCI outlet |
| Wiring Issues Loose or damaged wiring can cause the GFCI to malfunction. | Sometimes | Hard | Wire connectors or electrician service |
| Overloaded Circuit Too many devices on the circuit can cause the GFCI to trip. | Sometimes | Easy | None |
| Ground Fault in Connected Devices A device plugged into the GFCI may have a ground fault. | Rare | Easy–Medium | None |
| Aging or Worn Components GFCI outlets can degrade over time and stop functioning properly. | Rare | Medium | GFCI outlet |
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 circuit)
- Wire Nuts or Connectors
- Electrical Tape
- Circuit Breaker (if the breaker is faulty)
Always match the amperage rating of the new GFCI outlet to the existing circuit for safety and proper function.
When to call a professional
- The GFCI outlet is damaged beyond simple replacement
- You're unsure about electrical work or safety
- Multiple outlets on the same circuit are affected
- You detect a burning smell or visible sparks
- The circuit breaker continues to trip after replacement
FAQ
Why won't my GFCI outlet reset even after turning off the power?
This could indicate internal damage to the outlet or a wiring issue. Test the outlet and consider replacement if it doesn't reset.
Can water cause a GFCI to trip and not reset?
Yes, moisture exposure is a common cause of GFCI tripping. Dry the area and replace the outlet if it won't reset.
How do I know if I need to replace my GFCI outlet?
If the outlet is damaged, won't reset, or shows signs of wear, it's best to replace it with a new GFCI outlet of the same rating.
Is it safe to use a non-GFCI outlet in place of a faulty one?
No, GFCI outlets are required in certain areas for safety. Always replace with a GFCI outlet to meet electrical codes and protect against shocks.