To those of you who are having similar problems with continuous swg restarts, before doing anything drastic, get a can of electrical contact cleaner, no residue, sold at home depot.
Step One....remove power from EasyTouch panel
Step two ...disconnect swg cable from EasyTouch panel connector.
Step three....spray swg cable plug and also EasyTouch panel connector with contact cleaner
Step four....leave for an hour
Step five...reconnect swg to panel connector
Step six... restore power to panel. All done.
I had the exact same problem as original poster after four years of using swg. After reading thru this thread, I decided to try the easy stuff first, thinking it might be a oxidation problem inside connection. After performing the above steps a week ago, the swg has been working flawlessly.
An old timer once taught me, if something electrical doesnt work, first check to see if its plugged in.