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Hello, I see that you have been waiting.
Tell me if this looks like the owners manual for your unit or not, and if you are able to make sense of the programming instructions or not.
We can go from there without a time limit.
Hello, that behavior you are reporting is not part of Carriers design intention. Either the controller is bad, or you need to reprogram it.
You should be able to get any function you want, at any time, using the remote.
If we run into a brick wall on reprogramming it and you are sure you are doing it correctly, an identical new controller should fix the problem.
We can go from here without a time limit.
If the electronics in the remote have developed micro cracks you will get similar results, these cracks expand and contract with changes in temperature. Therefore if we cool the remote in the refrigerator for about an hour, and try it.... then warm it up to about 120F with a hair drier and try it... and we see any change in behavior in either cold or warm mode, we know for sure that the remote is bad.
You can also try removing the batteries from the remote and putting them in backwards for 5 minutes then replacing them in the correct position, and see if we get any change after that (reverse polarity will sometimes fix problem).
We can go from there.
Hello again, I think you may be misreading the programming instructions.
You do not set the time ON hours at a single digit time span, such as 3 hours.. You set it to come on at say 2 pm, and Off at 5 pm.
That would give you a 3 hour run time every day between the hours of 2 pm and 5pm
If you want it to run an additional 2 hours between say 9pm and 11 pm you would set the ON time to 9pm, and the OFF time to 11 pm the same day.. etc.
Let me know if that makes any sense on your end or not, we can go from there.
Hello again, what does the Carrier dealer have to say about the situation? let me know. Meantime I will opt out so that other of our experts here can also see your question.