Error message carrier outdoor iunit communication fault siphac

Indoor Unit Communication Fault Code 178. Thermostat shows fault code 178 "internal communication fault" Not sure The indoor unit communication fault code 178 in Carrier and Bryant air conditioners is often caused by faulty wiring, thermostat issues, or a missing capacitor in the outdoor unit (Check to make sure the drain isn't stopped up on the indoor unit) 2.

BillyHvac | Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics An indoor unit communication fault is displayed when the user interface has lost communication with the indoor unit

Carrier Infinity Fault Codes 178 Explained Machine Answered

Here are some common Carrier Infinity thermostat system fault codes along with explanations for each code: 1 (Check to make sure the drain isn't stopped up on the indoor unit) 2. 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

Thermostat shows fault code 178 "internal communication fault" Not sure. Explanation: Code 178 indicates that the thermostat cannot detect any devices or components of the HVAC system (The indoor unit is not communicating back with the thermostat/outdoor unit) This can be caused by numerous things, but most commonly, one of the below: 1

MY Carrier system thermostat says Fault Code 178 Indoor Unit YouTube. 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 An indoor unit communication fault is displayed when the user interface has lost communication with the indoor unit