Fault Finding & Repairs
If your lights are flickering, a circuit keeps tripping, or you've got power points that just stopped working, it's easy to assume the fix is quick and obvious. In reality, electrical faults can be some of the trickiest problems to diagnose — the visible symptom is rarely where the actual fault sits. That's where professional fault finding comes in, and it's one of the most common jobs we handle at Zen Electrical across the central coast and Mid North Coast (Port Mac to Coffs Harbour)
Here's a rundown of what electrical fault finding actually involves, the warning signs worth acting on, and why getting a licensed electrician onto it early can save you money — and keep your home safe.
WHAT IS "FAULT FINDING," EXACTLY?
Fault finding is the process of tracing an electrical problem back to its actual source, rather than just patching the symptom. A tripping circuit breaker, for example, could be caused by:
A faulty appliance drawing too much current
Damaged or deteriorating wiring insulation
A loose connection in a switchboard, power point, or light fitting
Water ingress into an outdoor circuit
An overloaded circuit carrying more than it's rated for
Guessing at these causes — or simply resetting the breaker and hoping it doesn't happen again — doesn't fix anything. It just delays the next trip, and in some cases lets a genuinely dangerous fault sit undetected. Proper fault finding uses testing equipment and a methodical process to isolate exactly where the problem is, so the repair actually solves it.
COMMON SIGNS YOU NEED A FAULT FINDING SERVICE
Some electrical faults are obvious. Others are subtle and easy to write off as "just one of those things." Signs worth getting checked include:
Circuit breakers or safety switches tripping repeatedly, especially if it's happening more often over time
Flickering or dimming lights, particularly if it happens when other appliances switch on
Power points that are warm to touch, discoloured, or make a buzzing sound
Burning smells near switchboards, power points, or light fittings
Appliances that work intermittently even though they're not faulty themselves
Power outages affecting only part of the house, rather than the whole property
Any one of these on its own might seem minor. But electrical faults tend to get worse, not better, and several of the causes above are fire risks if left unaddressed.
WHY DIY FAULT FINDING IS A BAD IDEA
It's tempting to have a go yourself — swap a switch, reset a breaker, tighten a connection you can see. The problem is that most electrical faults aren't visible from the surface. Wiring runs inside walls and ceilings, switchboards carry live current, and testing for issues like insulation breakdown or earth faults requires equipment most people don't have (and in Australia, wiring work legally requires a licensed electrician regardless of equipment access).
Beyond the safety risk, DIY troubleshooting often means paying for a callout twice — once for your own time spent guessing, and again when a professional has to undo an incorrect fix before finding the real fault underneath it.
HOW WE APPROACH FAULT FINDING & REPAIRS AT ZEN ELECTRICAL
When we're called out for a fault, we don't start swapping parts — we start with diagnosis:
Discuss the symptoms — when it happens, what's connected, whether it's constant or intermittent
Visual inspection of switchboards, wiring, and affected circuits
Testing using appropriate equipment to isolate the fault to a specific circuit or component
Confirm the fix with the homeowner before repair work begins, so there are no surprises on cost
Repair and re-test to confirm the fault is genuinely resolved, not just masked
As a licensed electrician and ASP Level 2 accredited contractor under Essential Energy's authorisation, we're also equipped to handle faults that involve metering and connections most general electricians can't touch — useful if your issue turns out to be closer to the point of supply than expected.
SERVICING CENTRAL COAST AND THE MID NORTH COAST
We work across domestic properties on the central coast and the Mid North Coast region, handling everything from a single tripping circuit to full property rewires uncovered during fault investigation. Rural and semi-rural properties often come with their own quirks too — longer cable runs, older wiring, outbuildings on separate circuits — and that's work we're well set up for.
DON'T WAIT UNTIL IT GETS WORSE
Electrical faults rarely fix themselves, and the cost of ignoring one — in wasted appliances, repeat callouts, or worst case, fire risk — is almost always higher than the cost of getting it looked at properly the first time.
If you're dealing with a tripping circuit, flickering lights, or anything else that doesn't feel right, get in touch with Zen Electrical for a proper fault finding assessment.

