Dwayne Reid wrote: > Easiest fix is a MOV across the solenoid coil, as close to the > soleinoid as possible. Standard treatment for us - it works well. Yes, I agree this would work, but I worry that the problem isn't really solved; only hidden. What you will have done is fix the source of the interference, leaving the remainder of the circuit susceptible to it. -- James Cameron (cameron@stl.dec.com) OpenVMS, Linux, Firewalls, Software Engineering, CGI, HTTP, X, C, FORTH, COBOL, BASIC, DCL, csh, bash, ksh, sh, Electronics, Microcontrollers, Disability Engineering, Netrek, Bicycles, Pedant, Farming, Home Control, Remote Area Power, Greek Scholar, Tenor Vocalist, Church Sound, Husband. "Specialisation is for insects." -- Robert Heinlein.