> > Have you measured AC current of the energized solenoid using a DMM > (try the same test on DC amps) ? > OK - tried a 10ohm resistor inline and read 1.85V AC and 1.2mV DC so it looks like the steady state is OK but the switching may not be. -- Robin Gilks Internet: robin at gilks.org http://www.gilks.org Tel: (+64) (3) 347 4370