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dogma
18-03-2008, 09:52 AM
Quik question guys........


Is it necessary to have an oscilloscope for the correct diagnosis of inverter systems?

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nike123
18-03-2008, 10:41 AM
No for compressor and power inverter, but for diagnosing communication problems between indoor and outdoor unit/s you should have one of cheep DMM-oscilloscopes like this one:
http://tinyurl.com/2b7ljj

It is also necessary with non-inverters who have PCB-s that communicates.