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Air Conditioning,

1 January, 2026

Blog

Aircon Suddenly Not Working? A Homeowner’s Emergency Action Plan

When your aircon suddenly stops working in Singapore, it can feel like a real emergency. The heat builds up fast. The humidity becomes uncomfortable. Stress also starts to rise. However, you do not need to panic. Instead, follow this simple action plan. It will help you check what went wrong and what to do next. Then, you will know whether it is a small issue or if you need professional aircon servicing in Singapore.

Step 1: Check If It’s Really “Not Working” or Just “Not Cooling”

First, find out what type of problem you have. Is your aircon totally dead? Or is it still running but not cold? This makes a big difference.

No power at all → possible electrical issue
Blowing warm air → very common aircon not cooling Singapore problem
Turning on and off → may be overheating

Therefore, knowing the real problem helps you take the right next step.

Step 2: Check the Remote, Power, and Breaker

First, find out what type of problem you have. Is your aircon totally dead? Or is it still running but not cold? This makes a big difference.

No power at all → possible electrical issue
Blowing warm air → very common aircon not cooling Singapore problem
Turning on and off → may be overheating

Therefore, knowing the real problem helps you take the right next step.

Step 2: Check the Remote, Power, and Breaker

Next, start with the simple things. Many Singapore homeowners panic too early. But sometimes, the cause is something small.

So, always check:

The remote batteries
The power plug
The circuit breaker
Restart the unit after a short pause

Surprisingly, many aircon problems in Singapore homes are solved after this.

Step 3: Look for Warning Signs

If your aircon in Singapore still does not work, look carefully. Warning signs often appear before major breakdowns.

For example:

Blinking lights
Strange noises
Burning or mold smell
Water leaking

These usually mean internal issues. As a result, delaying repairs may make the problem worse and more expensive.

Step 4: Clean Your Aircon Filter

Often, aircon not cold in Singapore happens due to clogged filters. Because Singapore is humid and dusty, dirt builds up fast.

Therefore, if safe:

Turn off your unit
Open the front cover
Remove and wash the filters
Let them dry fully

However, if the filters look sticky or moldy, it means you need professional aircon servicing in Singapore.

Step 5: Avoid DIY Repairs

Please do not open the whole unit. Modern air conditioners in Singapore have delicate parts and refrigerant gas. DIY repairs can cause more damage. They may also void your warranty.

So, if simple troubleshooting doesn’t help, call a trusted aircon technician in Singapore.

When Should You Call an Aircon Technician Immediately?

You should book aircon repair Singapore service right away if:

The aircon still does not work
There is a burning smell
Water is leaking badly
Loud strange noises appear
It has not been serviced for many months

Since Singapore’s climate is hot and humid daily, your aircon works very hard. Therefore, quick action prevents bigger breakdowns.

Your Reliable Emergency Aircon Help in Singapore

If your aircon suddenly stopped working, don’t stress. At Lion City Aircon, we provide:
✔ Emergency aircon repair Singapore
✔ Professional aircon servicing Singapore
✔ Trusted solutions for HDB, Condo, and Landed homes
✔ Honest pricing and skilled technicians

We fix problems fast so you stay cool and comfortable again.