Refrigerator Fan & Light Power Supply Circuit Explained!

Learn how the fan and light power supply circuit in your fridge and refrigerator works with this detailed breakdown! This video explains the step-by-step conversion of 230V AC to 12V DC, highlighting critical components like resistors, ZNRs, capacitors, and optocouplers. You'll discover how the microcontroller controls the fan and light operation, the role of the fridge door switch, and how feedback mechanisms ensure smooth functioning. Whether you're troubleshooting a faulty refrigerator PCB, fixing a broken fan, or diagnosing light issues, this guide provides practical tips to test voltage points, identify common failures, and replace faulty components. Perfect for DIY enthusiasts and technicians, this video empowers you to repair your fridge and refrigerator with confidence!

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[gharibgharib]

Thank you very much from informations khalid from Morocco Casablanca

[leonelarreola]

Thanks ING, for sharing your knwoledge. Saludos desde Tepic Nayarit México

[emersonmattoz]

thank you very much teacher..you re the best on planet..

[gharibgharib]

Thank you very much from informations khalid from Morocco Casablanca

[wawerukamau]

From Kenya 🇰🇪 thanks a lot.
Does the PCB have LED indicator light at the 12 volts output connectors pin ?

[preston]

R12 isn't a 220 ohm resistor it's a 22K ohm resistor so epic fail!!!