Tom,

That was my initial hope :-)� �  I unplugged; cleaned all contacts; put
the meter on what I could.� �  This time it seems to be the internals of
the ICU.

Tom Neal wrote on 2021.08.11 11:10:
> A related thought which may not help the current thread:  When an idle gremlin appears, I unplug and plug back in the idle controller and/or swap it with my spare which seems to fix the gremlin.  Implication is a high resistance contact, the cause of about 80% of electrical problems.