"Wayne.B" wrote in message
news
On Sun, 11 Mar 2007 15:08:26 -0400, Gene Kearns
wrote:

Is there any diagnostic equipment or process available to find out
exactly which sensor is being tripped ?

Have you had to replace an impeller?

No, not yet. Why do you ask?

Have you looked at the owner's manual? Sometimes a tone code is generated to
indicate the trouble area.
Jim