In an earlier contribution to this discussion,
The Medway Handyman wrote:


If the pump is running without a switched live, it has to be the pcb,
unless the pump hasn't been wired in correctly

.. . except during the 20 minute period after firing, when it's *supposed* to
over-run.

But, in this particular case, it sounds as if it's running for much longer
than this - so it's almost certainly the PCB.
--
Cheers,
Roger
______
Email address maintained for newsgroup use only, and not regularly
monitored.. Messages sent to it may not be read for several weeks.
PLEASE REPLY TO NEWSGROUP!