Warranty call when arrival customer explained to me what happened customer set point for thermostat 63 *F house temp 70*F unit running nonstop set unit to call for cooling also checked electrical connections checked voltage and amps I cannot find the problem I call tech support for water furnace I over some diagnostic with tech support the problem was the T-stat is bad I gave quote for customer accepted I ordered the parts we have to come back to replace the thermostat unit tested unit operating normal without thermostat problem. Also I have case# 479485 name T-stat-Tpcc32u01. No payment collected.