Package Unit Control Breaker 3.15A Trip Problem | Find Faulty Part – Contactor, HP, LP, PCB, Relay?

Описание: In this video, we troubleshoot a Package Unit control breaker tripping at 3.15 amps. This is a common issue in HVAC systems, and the fault could be due to a defective contactor, high-pressure switch (HP), low-pressure switch (LP), PCB board, or a faulty relay.

We’ll show you step-by-step how to:

Identify which part is causing the issue

Use basic tools like a multimeter

Check wiring and component resistance

Understand current draw and isolation method

This video is helpful for HVAC technicians, service engineers, and AC repair professionals who want to learn field troubleshooting skills and prevent unnecessary part replacements.

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