Start with the problem.
Learn what's likely causing it, how urgent it is, and what to check before calling anyone.
Common aircon problems
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Each guide covers likely causes, what to check, and what the fix usually involves.
Aircon beeping randomly
Aircon beeping randomly? Understand common control, warning, and escalation patterns before approving repair.
Aircon breaker trips or burning smell
Breaker tripping or burning smell from aircon? Learn likely causes, what to observe safely, and when to escalate immediately.
Aircon cannot turn on
Aircon cannot turn on? Understand common causes and what to share for proper assessment.
Aircon clicking noise
Clicking noise from the aircon? Learn when a click can be normal and when repeated clicking suggests a relay, flap, or control fault path.
Aircon cold then warm
Aircon starts cold then turns warm later? Understand common intermittent cooling patterns and what to observe before repair.
Aircon cooling drops when two rooms run
Cooling drops when two rooms run? Understand load-sharing and system fault overlap before approving repair.
Aircon cools at night not in afternoon
Aircon cools at night but not in afternoon? Compare heat-load and system fault paths before approving repair.
Aircon display blank no light
Aircon display blank with no light? Understand common power and control paths before approving major repair.
Aircon fan keeps running after turning off
Aircon fan keeps running after turning off? Understand normal delay, control faults, and risk signs before approving repair.
Aircon fan speed not changing
Fan speed command not changing airflow? Learn common causes and what to observe before assuming a remote, motor, or PCB fault.
Aircon flashing light
Flashing light on your aircon? Understand common causes and what to share for proper assessment.
Aircon gurgling noise from indoor unit
Aircon gurgling noise from indoor unit? Understand drain, refrigerant, and risk patterns before approving repair.
Aircon hissing sound while running
Aircon hissing sound while running? Learn normal vs fault patterns before approving major work.
Aircon ice forming on pipe
Ice on your aircon pipe is a signal, not a coincidence. Understand what causes it, whether to switch off, and how we assess it.
Aircon indoor unit noise
Indoor unit making noise? Understand common sound patterns, what they usually mean, and which signs need urgent attention.
Aircon leaking water indoors
Water dripping from your indoor unit? Understand common causes and what to share for proper assessment.
Aircon louvre not moving
Swing flap stuck or not moving? Learn the common louvre fault patterns and what to observe before approving a swing motor or PCB repair.
Aircon mist coming out of indoor unit
Aircon mist coming out of indoor unit? Understand humidity, airflow, and fault overlap before approving repair.
Aircon no airflow from indoor unit
No air coming out of the indoor unit? Understand common causes, what to observe, and when to stop using the unit.
Aircon not cold
Aircon not cold? Understand common causes and what to share for proper assessment.
Aircon not cold after servicing
Aircon not cold after servicing? Understand common reasons this happens and what to check before paying for more work.
Aircon not cooling one room
One room is not cooling while others on the same system are fine. Understand the fault paths, what to check, and one next step.
Aircon not reaching set temperature
Aircon running but room never reaches the set temperature? Understand the common fault paths, what signals matter, and one next step.
Aircon not responding to app wifi
Aircon not responding through app WiFi? Understand network, module, and unit-side causes before you approve repair.
Aircon one indoor unit trips whole system
One indoor unit causes whole system trip? Understand shared-system fault paths before major replacement decisions.
Aircon outdoor fan running but not cooling
Outdoor fan running but room not cooling? Understand compressor, refrigerant, and control overlap before approving major work.
Aircon outdoor unit noise
Outdoor unit getting noisy? Understand common causes and what to share for proper assessment.
Aircon outdoor unit not running
Indoor unit runs but the outdoor unit does not start? Understand common causes and what to observe before approving repairs.
Aircon outdoor unit too hot to touch
Outdoor unit too hot to touch? Learn normal heat vs overheating fault paths before approving major repair.
Aircon pipe sweating or water drops
Water droplets on aircon pipes or trunking? Learn when pipe sweating can be normal and when it suggests insulation, airflow, or cooling issues.
Aircon remote not working
Aircon remote not working? Understand common remote and command-path issues before assuming a major unit fault.
Aircon restarts by itself after power fluctuation
Aircon restarts by itself after power fluctuation? Learn normal auto-restart vs real control issues.
Aircon room feels humid even when cooling
Room still feels humid even when aircon cools? Learn likely causes before you approve repair.
Aircon short cycling
Aircon turning on and off too quickly? Learn common short cycling patterns, likely causes, and what to observe before diagnosis.
Aircon smell persists after cleaning
Aircon smell persists after cleaning? Understand external odor, deep contamination, and urgent electrical smell patterns.
Aircon smell when turning off
Aircon smell when turning off? Compare moisture, drain, and electrical paths before approving repair.
Aircon smells when starting
Bad smell when aircon starts? Understand common causes and what to share for proper assessment.
Aircon takes too long to cool room
Aircon takes too long to cool room? Compare load, airflow, and system fault paths before approving repair.
Aircon trips when multiple units on
Aircon trips when multiple units run? Understand shared load, startup stress, and fault patterns before repair approval.
Aircon turns off by itself
Aircon shuts down on its own? Understand common causes and what to share for proper assessment.
Aircon uneven temperature across room
Uneven room temperature with aircon running? Compare airflow, direction, and system paths before approving repair.
Aircon unit vibrating
Aircon vibrating or buzzing through the wall? Learn common vibration patterns and what to observe before assuming a compressor problem.
Aircon water dripping from outdoor pipe
Water dripping from the outdoor pipe can be normal or a warning sign. Learn how to tell which pattern you are seeing.
Aircon water leak only when raining
Water leak only when raining? Understand rain ingress vs drain behavior before approving aircon repair scope.
Aircon weak airflow
Aircon weak airflow? Understand common causes of low airflow from the indoor unit and what to check before approving repairs.
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