Carrier System Malfunction Message - An issue with the wiring anywhere in the system can cause. Turn off power to system inside and out. Yes this fault could be caused by stopped up filters. Web answered in 5 hours by: A carrier outdoor unit communication fault is designated by a 179 code.
Yes this fault could be caused by stopped up filters. An issue with the wiring anywhere in the system can cause. Turn off power to system inside and out. Web answered in 5 hours by: A carrier outdoor unit communication fault is designated by a 179 code.