It has a fault code 178. Carrier infinity model number CNPVP4824ALAAAA

Indoor Unit Communication Fault Code 178. Thermostat shows fault code 178 "internal communication fault" Not sure i need to restart the system manually whenever this code occurs and of course this is an issue if i travel.we changed all of the wires from the INFINITY thermostat to the indoor control board and the outdoor unit with a special improved type of wire When the communication between the indoor and outdoor units of your Carrier Infinity HVAC system is disrupted, it can result in a loss of heating or cooling functionality.

(Check to make sure the drain isn't stopped up on the indoor unit) 2. After a bad storm last night my thermostat displays Code 178 Indoor Unit Communication Fault

It has a fault code 178. Carrier infinity model number CNPVP4824ALAAAA

Shut down the power to the indoor system and outdoor (switch on furnace and breaker for the ac condenser, it's going to be a double pole) turn your ac condenser back on first and then your furnace Code 178 indicates Indoor unit printed circuit board, or 24-volt control circuit is non-functional When the communication between the indoor and outdoor units of your Carrier Infinity HVAC system is disrupted, it can result in a loss of heating or cooling functionality.

Thermostat shows fault code 178 "internal communication fault" Not sure. This might include issues with the wiring, sensors, or connections Have you ever found a communication fault or failure on an Infinity or Evolution system? Did you get a fault code 178 indoor coms fault or a 179 outdoor coms fault? Or have you seen a code 16 coming from the indoor board? The cause of a communication failure could be a circuit board failed dragging down the com bus or the thermostat wire has failed

Error message carrier outdoor iunit communication fault siphac. i need to restart the system manually whenever this code occurs and of course this is an issue if i travel.we changed all of the wires from the INFINITY thermostat to the indoor control board and the outdoor unit with a special improved type of wire If this doesn't work you may have burnt out a fuse in the outdoor unit.