Question:

my ec 12 just hums and won't start. circuit breaker then blows the circuit.

by Guest3294  |  12 years, 9 month(s) ago

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Ran fine on job site. Wouldn't start when I got home.  I opened release valves, plugged in directly to 20 amp circuit(no extension cord), changed the oil, and allowed the unit to warm up.  It still won't kick in, but just hums.  It is as though the compression valves are stuck and the machine doesn't have enough power to get them going.  any suggestions would be appreciated.  Gary

 Tags: 12, Blows, Breaker, circuit, EC, Hums, start, wont

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  1. Guest220
    My had the same problem I loosen the red valve (pull up turned left) and it starting working right away

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