Coleman mach 3 ac freezing up
We are having a freeze up problem with the ducted Coleman mach 3 ac unit. The evaporator is clean and the filter is new. We run it on high cold and turn the thermostat down from max cold. This past we...
Forum Discussion
wwest wrote:
Remove the "new" filter for a day or 2 and see if additional airflow solves....
Try this. Also check that you put the filter in correctly, and that the evaporator is not clogged with dust or dirt.
If that's not it, you are low on refrigerant, which makes the compressor run continually & therefore you get icing. You likely are not hearing the compressor cycle because it's running all the time.
