EMS 30 Problems
When I plug in EMS and it gets through with delay and comes on ,it hums real low. Never noticed it before. It is plugged into a 20 amp plug ,using an adapter. Also LED reads 117 volts, but if you plug a volt meter into EMS out plug it reads 122 volts which is the same as the post plug reads,, Do I have a problem or can volt meter be a little off. (5volts)
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