Atlas AA50PHD-CE Manuale d'uso - Pagina 12

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How To Trouble Shoot Your Speaker System If The Fault LED Is Illuminating

The Fault LED should never be constantly illuminated or damage may occur to the amplifier or sound system. If the Fault LED comes

on steadily during use or during the PHD test there are a few common fault conditions to check if using a 100V distributed audio

system.

A. Check each speaker setting to make sure it is not set to a 4, 8 or 16 ohm setting. If one speaker is set to one of these

settings it will cause a fault condition. A simple and quick way to test this besides visually looking at each speaker is to have a

second technician walk the area where the speakers are installed while the PHD test is applied and listen for a speaker that is

audibly way louder that the other speakers. The louder speaker most likely will be incorrectly tapped and the cause of the fault.

Note: Always take proper hearing precautions.

B. Check each speaker to be sure the load tap is set to the correct power setting. The total power tap selected of all the speakers

combined should not exceed the amplifier's maximum power rating or a fault may occur.

AtlasSound.com

AA50PHD-CE

50W Mixer Amplifier

1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.

Telephone: 800.876.3333 • Fax: 800.765.3435

Specifications are subject to change without notice.

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Owner's Manual