SPLITS
Instead of using a digital multi-meter to look for a switching DC voltage on the communication wires of a mini-split I purchased a cheap Amazon pocket oscilloscope to hook up and visually see what is going on. One note of caution is to not allow the scope lead to be grounded as both connections to […]
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No activity or light on indoor wall unit, no response to remote control, watch me troubleshoot and diagnose this ductless unit
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