Carrier 4-zone Controller

General topics about all things heating, ventilation, air conditioning and refrigeration.

Carrier 4-zone Controller

Postby Conrad » Wed Oct 26, 2011 2:00 pm

We have a Carrier 4-zone Controller installed in a Villa, Power supply on main Controller Board was switched off and on. But unit did not come back to operational status and no error codes display on the interface board. Can you help please.
Conrad
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