Breaker Control Switch Troubleshooting (Troubleshooting Guide)

On this page

Quick answer
Confirm the symptom
Tools and prep
Step-by-step troubleshooting
Common causes table
Parts matching
When to call a pro
FAQ
Related guides

Quick answer

First, turn off the power at the main breaker. Check if the switch is in the 'off' position. If it trips frequently, it may indicate an overload or short circuit. Inspect for any visible damage or wear. If necessary, replace the breaker with a new one of the same amperage.

Confirm the symptom

Breaker control switch won't stay on.
Frequent tripping of the breaker.
Burning smell near the breaker panel.
Sparking or arcing from the breaker.
Lights flicker when certain appliances are used.
Breaker feels hot to touch.
Circuits controlled by the breaker are not working.

Tools and prep

Screwdrivers (flathead and Phillips).
Multimeter.
New breaker (if replacement is needed).
Safety gloves and goggles.
Turn off the main power at the breaker panel.
Ensure the area is dry and well-lit.
Have a flashlight ready in case of power outage.

Step-by-step troubleshooting

Safety First
Do: Turn off the main power at the breaker panel.
Observe: Ensure all power is off by testing outlets with a voltage tester.
Means: Prevents electric shock.
Next: Inspect the breaker control switch.
Inspect the Breaker
Do: Open the breaker panel and locate the problematic breaker.
Observe: Check for any visible damage, burn marks, or unusual wear.
Means: Identifies obvious issues.
Next: Test the breaker.
Test the Breaker
Do: Use a multimeter to test for continuity.
Observe: Check if the breaker is functioning correctly.
Means: Confirms if the breaker needs replacement.
Next: Check for overloads.
Check for Overloads
Do: Look at the connected circuits and appliances.
Observe: Ensure no single circuit is overloaded.
Means: Prevents tripping due to excessive load.
Next: Inspect for short circuits.
Inspect for Short Circuits
Do: Check for any exposed wires or damaged insulation.
Observe: Look for signs of short circuits.
Means: Identifies potential electrical hazards.
Next: Replace the breaker if necessary.
Replace the Breaker
Do: Remove the old breaker and install a new one of the same amperage.
Observe: Ensure the new breaker is securely in place.
Means: Restores power to the affected circuits.
Next: Restore power and test.
Restore Power
Do: Turn the main power back on.
Observe: Check if the new breaker stays on.
Means: Confirms the issue is resolved.
Next: Monitor the breaker for further issues.

Common causes

Cause	Likelihood	Difficulty	Part often needed
Overloaded Circuit Too many devices drawing power from the same circuit.	Common	Easy	None
Short Circuit Exposed wires or damaged insulation causing a direct connection.	Sometimes	Easy–Medium	Wire insulation tape
Faulty Breaker The breaker itself is defective or worn out.	Sometimes	Medium	New breaker
Ground Fault Current is leaking to the ground.	Rare	Hard	GFCI outlet or breaker
Loose Connections Wires are not securely connected to the breaker.	Sometimes	Easy–Medium	None
Corrosion Moisture or humidity causing corrosion on the breaker.	Rare	Medium	Contact cleaner

Parts matching

Ensure you have the correct parts before starting the repair.

New breaker of the same amperage.
Wire insulation tape.
Contact cleaner for corrosion.
Screwdrivers for removing the panel cover.
Multimeter for testing continuity.

Always match the amperage of the new breaker to the old one to avoid further issues.

When to call a professional

If the breaker continues to trip after replacement.
If you suspect a ground fault or major short circuit.
If you are uncomfortable working with electrical components.
If there are signs of extensive damage or corrosion.
If the breaker panel is old or outdated.
If you experience frequent electrical issues in your home.

FAQ

Can I use a higher amperage breaker?

No, always use a breaker with the same amperage rating to avoid safety risks.

Why does my breaker trip when I use the microwave?

Your microwave may be drawing too much power, causing an overload. Try using it on a different circuit.

How do I know if my breaker is faulty?

If the breaker trips frequently without an obvious cause, it may be faulty. Use a multimeter to test for continuity.