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Posted by Bob Tremblay on February 28th, 2003 11:23 AM
In reply to After you check everything from by Moderator, Steve on February 27th, 2003 07:46 AM [Go to top of thread]

Most likely the transformer has quit.
They should produce from 24 to 28 volts AC at the two screw terminals.
Turn off the electricity and use an ohmmeter to measure the primary and secondary windings.
The DC resistance should be about 30 ohms on the primary (115 V) side and the two screw terminals should measure about 3 ohms.
Of course, you should disconnect at least one side of the winding to measure the resistance.
Home Depot will have a replacement transformer.

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