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Vibration and Unusual Noise Diagnosis

Tracing Vibration and Noise Back to Their Actual Source

Vibration and unusual noise on an AHU can come from the fan wheel, belt, bearings, motor, or ductwork — and treating the wrong one leaves the real problem untouched. EKG M & E Sdn Bhd provides vibration and unusual noise diagnosis for building owners and facility managers across Malaysia, identifying the actual source before any corrective work begins.

What We Offer

🔍 Symptom Pattern Investigation
We investigate when and how the noise or vibration occurs — constant, intermittent, at startup, or under load — to narrow down the likely cause.

📊 Baseline Vibration Measurement
We measure vibration levels at the fan and motor bearings to establish a baseline reading against acceptable limits.

📈 Vibration Frequency Analysis
We analyse vibration frequency data to distinguish between fan wheel imbalance, belt-related vibration, misalignment, and bearing issues.

⚖️ Fan Wheel Balance Check
We check the fan wheel for imbalance caused by dirt buildup, blade damage, or wear, since imbalance is a common driver of drive-side vibration.

🔧 Belt Condition & Wear Check
We inspect the belt for uneven wear, stretching, or damage that can generate vibration or noise even on an otherwise healthy drive.

📐 Pulley Alignment Check
We check pulley alignment as part of the diagnosis, since misalignment produces a vibration and noise signature that's easy to mistake for imbalance.

⚙️ Bearing Condition Assessment
We assess motor and fan bearing condition, since worn bearings can both cause noise and vibration and be accelerated by vibration from elsewhere in the drive.

🔊 Airflow & Ductwork Noise Check
We check for airflow-related noise sources such as duct rattle or turbulence, since not all AHU noise originates from the mechanical drive.

🌀 Running Test Under Load
We take vibration and noise readings with the AHU running under normal operating conditions, since some issues only appear under load.

📋 Diagnosis Report
You receive a clear report identifying the vibration or noise source, measured readings, and recommended corrective action.

🗓️ Post-Correction Verification
Following any corrective work, we offer a follow-up check to confirm levels have returned to acceptable range.

Why Choose EKG M & E Sdn Bhd

✔ Data-driven diagnosis — vibration analysis, not guesswork
✔ Trusted across Malaysia — offices, malls, hospitals, hotels, and factories
✔ Licensed engineers — proper diagnostic equipment and technique
✔ Root-cause identification — treating the actual source, not the symptom
✔ Fully compliant — aligned with Malaysian health, safety, and energy standards

Ready to Get to the Bottom of Your AHU Vibration or Noise?

Let EKG M & E Sdn Bhd properly diagnose your AHU vibration or unusual noise. Accurate diagnosis, clear findings, and a fix aimed at the actual cause.