Forum Discussion
enblethen
Aug 19, 2016Nomad
If you have a meter, check to insure the ECO and thermostat have continuity. Put leads across brown wires for one and across reds for second device. It is best to disconnect one of the wires to get more accurate reading.
Doubt whether the board has failed since it is a Dinosaur.
Doubt whether the board has failed since it is a Dinosaur.
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