slystewart Posted May 2, 2018 Share Posted May 2, 2018 I have a 2015 Ampeg Heritage that's come up with a red flashing fault light when turned on...Its been mine from new, looked after and flight cased. If I turn down one of the bias screws on the back you can power on the amp as normal and it works but hums a lot and the light above the bias control is red if you turn the screw adjustment to try to balance ...to matching green as is the other bias light the amp shuts down fault light comes on. no idea were to take it as I live in Lincolnshire, any help on this would be appreciatd Quote Link to comment Share on other sites More sharing options...
tommorichards Posted June 5, 2018 Share Posted June 5, 2018 It sounds like a valve has gone, and messing around could cause more damage. Down your way, it seems as the main contenders are Keld ampworks guitar amp repair, or The jukebox man. Quote Link to comment Share on other sites More sharing options...
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