Common Aircon Problems in Singapore

Start from what you notice. Learn the likely cause, how urgent it is, and what to check before calling anyone.

Browse by Category

Start from what you see or hear. Each category groups related symptoms so you can narrow the cause faster.

Cooling

Not cold, cold then warm, takes too long to cool, or not reaching set temperature.

Water & Leaks

Indoor leaking, outdoor dripping, condensation on pipes, or water pooling.

Noise & Vibration

Clicking, hissing, gurgling, buzzing, or vibrating from indoor or outdoor unit.

Power & Electrical

Cannot turn on, turns off by itself, breaker trips, short cycling, or flashing lights.

Smell & Air Quality

Bad smell at startup or shutdown, odor after cleaning, mist, or humidity issues.

Controls & Display

Remote not working, fan speed stuck, louvre not moving, or no airflow from unit.

Error Codes

Display showing a code? Look up what it means for your brand.

Blinking Lights

LED blinking in a pattern? Look up what it means for your brand.

Not sure which problem fits?

Describe what you notice. We'll work out the likely cause before recommending anything.