In July mine developed a high-pitched whine but only during the ramp.Anonymous wrote:I found it (Series M) loud at first, but got used to the whooshing sound. Now it's developed a very faint high-pitched whine, which I can only detect if it's pretty quiet.
Babs
I suppose that's a hint (I know there are a lot of anti-rampers on here), but darnit, I like the ramp!
Overnight guests have reported not being disturbed by the noise of the machine, for what that's worth.