Outdoor Aircond Making Loud Noises? Identify the Cause: Motor, Bearing, or Compressor Damage?
- Nabihah
- 8 Dis
- 3 min membaca
Table of Contents
Introduction
Is your outdoor aircond unit noisy? Know the real cause before the damage gets worse!
A loud aircond outdoor unit isn't just annoying — it may be an early warning of serious problems with the fan motor, bearing, or compressor. Ignoring it could lead to costly repairs. This article will help you identify the cause, what to do, and the best time to repair or replace faulty components.
Signs of a Loud Outdoor Aircond Unit
Unusual sounds you shouldn't ignore:
Metal knocking noise when the aircond starts
Loud whirring or high-pitched noise from the fan or compressor
Continuous strong vibrations even after a few minutes
Persistent buzzing sound even when the indoor unit is turned off
Reminder: Loud noises are not normal — they’re early signs that a part may be worn out or failing.
Common Causes of Outdoor Unit Noise
Here’s what typically causes loud aircond noises:
Damaged bearings causing high friction
Compressor problems, often due to gas pressure imbalance or age
Loose screws on the outdoor unit casing
Fan imbalance due to debris buildup
Fact: Over 60% of noise complaints are caused by bearing and fan motor issues.
Sound Differences Based on Damaged Components
Noise Type | Likely Damaged Component |
Loud humming | Compressor |
Screeching/Whirring | Fan or motor bearings |
Harsh vibrations | Unbalanced fan |
Metal knocking | Loose screws or compressor |
Professional inspection is key to pinpointing the exact cause.
When to Repair or Replace Components
Act early to avoid hundreds in repair costs.Consider replacing or repairing when:
The noise worsens even after servicing
Compressor feels extremely hot during operation
Fan spins slower than normal
Electricity bill spikes suddenly
Aircond no longer cools properly, even with full gas
Don’t wait until the unit fails completely.
How to Prevent Outdoor Unit Noise Issues
Simple care tips many users overlook:
Service the outdoor unit every 4–6 months
Keep the surrounding area clean from leaves & dust
Ensure screws and outer casing are tightly fastened
Use moderate temperature settings (24–26°C)
Get periodic checks by a licensed technician
Did You Know?
Aircond compressors can last up to 10 years with regular servicing
Whirring sounds often come from dry or worn bearings
Noisy outdoor units can cause structural damage if vibrations are strong
Brands like Daikin, Gree, and Mitsubishi use low-noise technology
Conclusion
A noisy outdoor aircond unit isn't just a small issue — it could indicate major problems. Early servicing can save you from expensive repairs. If you're located in KL or Bangi, don't wait. Schedule a professional inspection today!
FAQ
1. My outdoor unit is loud. Can I still use it?
Yes, but it's risky. Get it checked immediately to avoid further damage.
2. Does regular servicing include outdoor unit checks?
Yes, full professional servicing includes fan motor, bearing, and compressor inspection.
3. Why does my outdoor unit make noise after turning off?
It may be the compressor or motor finishing its shutdown cycle, or a faulty relay.
4. What’s the cost to fix a noisy outdoor unit?
Estimated costs:
Fan motor: RM150–RM300
Bearings: RM80–RM150
Compressor: RM400 and above
5. Can I fix the outdoor aircond unit myself?
Not recommended. It involves high-powered components and special tools.
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