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Owner's Manual

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

C. If the first two check points are OK, there is probably a short in the wiring of the speaker system. Common causes include

staples through the wire and the wire cut by metal conduit causing a short to ground.

D. Excessive Current Draw - The Fault LED will illuminate Yellow when the amplifier is consuming excessive current. The most

likely cause for the fault is an incorrect load impedance connected to the amplifier. The LED should not steadily illuminate if a

proper load is applied. Note: An occasional LED flash is okay during standard operation. When LED is ON audible distortion

may be heard at the speakers.

E. After finding and correcting the issue, perform the PHD test until the Fault indicator is no longer illuminating.

Note: During the initial start of the diagnostic test, the Fault indicator may flash Yellow for a few seconds until an accurate

diagnostic reading has been completed, continue to hold the PHD switch in for 5 seconds to assure the test is complete. After

5 seconds and the Fault indicator is illuminating Yellow steadily, stop and read the section "How to Trouble Shoot Your Speaker

System If the Fault LED is Illuminating.

Note: For more detailed examples on how to trouble shoot PHD amplifier faults, please visit www.atlassound.com

50W Mixer Amplifier

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

Telephone: 800.876.3333 • Fax: 800.765.3435

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Specifications are subject to change without notice.

AA50PHD-CE

AtlasSound.com