In detail
Why Your Aircon Won't Start
You press the button and nothing happens. No hum, no lights, no fan.
A dead unit is one of the most common air conditioning faults we get called to in Edwardstown, and it is often cheaper to fix than you would think. Edwardstown homes run everything from high-wall splits in the post-war cottages to ducted systems in the older bungalows.
We see every version of this fault. Most dead units come down to power, controls or a failed component, and the simple end of that list is where the answer usually sits.
What you get
Common Causes, Cheapest First
Start at the wall and work towards the unit. These are the usual suspects, in order of how often they turn out to be the problem:
Tripped breaker or blown fuse
Flat remote or controller batteries
Switched-off isolator
Failed capacitor
Faulty controller or thermostat
Burnt-out compressor or control board
How it works
Simple Checks Before You Call
A few minutes at the switchboard can save you a callout. Work through this list:
- 01
Step 1
Check the circuit breaker labelled for the air conditioning and reset it if it has tripped.
- 02
Step 2
Put fresh batteries in the remote or wall controller.
- 03
Step 3
Find the isolator switch near the outdoor unit and confirm it is on.
- 04
Step 4
Try the unit again and listen. A click with no start-up is a different fault to total silence.
If the breaker trips again straight away, leave it off. Repeatedly resetting a tripping breaker can turn a small fault into a bigger one.
Do not wait on this
When a Dead Split System Needs a Technician
Anything past the switchboard is licensed work. Capacitors, control boards and compressors sit inside units that hold mains voltage, and refrigerant systems are not a DIY job under any circumstances.
If the simple checks come up empty, call it in. There is one more reason not to wait.
A unit that clicks and fails to start is often a struggling capacitor, and running it that way stresses the compressor behind it. Caught early, that is a small repair. Left alone, it can become a replacement conversation.
Do not wait on this
What We Do on a No-Power Callout
Diagnosis first, always. We test the power supply, the controls and the electricals in order, so you are not paying to guess.
Power and isolation checks
Control testing
Component testing
A fixed quote before any repair starts
Plenty of Edwardstown's pre-1970 homes have had electrical work done across decades of renovations. So we check the supply side before condemning the unit, because the fault is sometimes in the wiring behind the ceiling rather than the system itself.
If the fault turns out to be a dying system rather than a fixable part, we will say so plainly and walk you through the numbers. That honesty is a big part of why we hold 500+ five-star reviews.
Good to know
Air Conditioner Not Turning On FAQs
What is the most common reason an air conditioner will not turn on?
A tripped circuit breaker or a flat remote battery causes more dead units than any failed part, so we check the simple electricals first before anyone talks about compressors.
Can a thermostat or controller stop the whole system?
It can. A failed wall controller or a split system remote with dead batteries will stop the unit responding, and we test the controls before we open anything up.
Is a dead unit worth repairing or should I replace it?
We test the unit honestly first. A failed capacitor in a ten-year-old system is an easy fix, while a burnt-out compressor in a unit past fifteen years usually is not.
Do you attend after hours when the cooling dies?
Yes, we hold 24/7 emergency availability, backed by our Within-the-Hour Response, so urgent air conditioning faults are responded to within the hour where availability allows.
Get Your Air Conditioning Running Again Today
Call (08) 8246 6281 any time, day or night. We will diagnose the fault, quote it fixed before we start and have your cooling back on, with $50 off first service for new customers.
Our Lifetime Labour Warranty covers the workmanship, so if a fault comes back because of the repair, we return and fix it at no cost.
- Fixed Upfront Pricing
- Lifetime Labour Warranty
- Fully licensed and insured
- 24/7 emergency service
$50 off first service for new customers.
Fixed quote request
Tell us what the system is doing
We ring back to confirm a time. Or call (08) 8246 6281 now.