@refrigerationmentor: What internal issue should you suspect when a semi-hermetic compressor starts knocking? Drop your thoughts below. This clip breaks down how knocking sounds relate to internal mechanical wear and why recognizing these symptoms early matters in the field. • Knocking suggests internal wear • Wrist pin wear is a common failure • Noise may change with operating conditions • Continued operation risks system damage • Early action helps prevent failure Learning to recognize compressor noise patterns improves troubleshooting accuracy and system reliability. 👉 Follow us and get our FREE Service & Compressor Troubleshooting Guide, trusted by technicians in the field to identify and fix issues faster through the link in our bio. #RefrigerationMentor #refrigeration #co2 #gonatrefs #hvacr #commercialrefrigeration #supermarketrefrigeration

Trevor Matthews

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Region: CA

Tuesday 23 December 2025 10:02:38 GMT