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View Full Version : Rudd achiever 90 plus will not turn on


firemed
Jul 25, 2014, 08:08 AM
Unit will not turn on either heat or a/c. fan will not turn on, thermostat is OK have 110 power to all conections on control board 220 to outside unit, no power on thermostat connections on control board no lights on control board (Yes door switch is closed)

bitters
Jul 25, 2014, 09:15 AM
Did you check from R to C (common)?