This outside unit runs 2 inside wall units (ASU12RLS2 and ASU15RLS2)they are just over a year old. Both AC and heat pump worked well this past winter/Summer. Now the units will not put out heat? I also have another inside unit separate from others ASU9RLS2 in another room operating off separate outside unit AOU9RLST....this one is working just fine. Question is why I cannot get heat anymore from that other unit? Cleaned all filters, system comes on fine but fan seems to be slower than before. The AC seemed to work for all units about a week ago when it was hot outside, changed batterys in remotes
Did you try to set to maximum heat? (suspect the thermostat is defective)
Testimonial: "The heat is only controlled with the remote. Yes I did set it to max heat which is 84, It did not help or bring heat out of unit"
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