10 Apr
2007
10 Apr
'07
9:54 a.m.
On Mon, 9 Apr 2007, Tony Duell wrote:
A fault on the cotnrol buard is unlikely to cause
buxxing. The control
elemenets, the reed relay and the contactor, are too slow to repsond at
60Hz. So even if there's ripple on the cotnrol board supply, it doesn't
normally cause the thing to buzz.
Oh yes, it does! (personal experience, the filter cap on the control
board had no capacity)
Christian