We recommend that care be taken to ensure that all AC plugs for the equipment in the system be wired so as to ensure proper AC polarity. Doing so will mini- mize noise in the system.
In the U.S., a simple AC mains tester (found at any hardware store) can test to ensure that your electrical outlets are wired properly. Elsewhere in the world (for example, in European Union countries), the AC mains plugs themselves are not always polarized. Your dealer can test for the proper orientation of the plug in the outlet. In such a case, it is good practice to mark both plug and outlet to ensure that all products remain in the proper orientation should it become nec- essary to temporarily disconnect the system (as for example, during an electrical storm).
Finally, the Wisdom Audio
1Check the AC cord to make sure it is not damaged.
2.Check the AC mains switch to ensure that it is On (the side with the straight line is depressed, not the “O” side).
3.If that does not resolve the problem, turn Off the AC mains switch (“O”) and then disconnect the power cord from the AC mains receptacle.
4.Using a small screwdriver, gently pry open the fuse block cover at the top edge of the assembly. (You may be able to do it with just your fingernail.)
5.Pull out the red fuse block, and check both fuses. If either is blown, please contact your local Wisdom Audio dealer (or Wisdom Audio) for service.
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