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Joined: Jan 2008
Posts: 3,821
Retired Moderator
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Retired Moderator
Joined: Jan 2008
Posts: 3,821 |
My experience has been that this is caused by one of two things...power supply going bad (-5 volts) or the ram battery is starting to fail.
It is easy to test the battery. Take a meter to it and make sure it has over 3 volts when the power is off. There is no test for the -5 volts. When it goes the unit will start clicking like crazy.
Last edited by Derrick; 05/17/14 08:34 PM.
www.myrandomviews "Old phone guys never die, they just get locked in some closet with an old phone system and forgotten about" Retired, taking photographs and hoping to fly one of my many kites.
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