We've had this air conditioner since June and it worked as expected until recently. Now, when I set the temp up to 24 to temporarily warm the room, the heating no longer starts within a few minutes as it used to. It stays off. After fiddling with the control a bit (thank you, ChatGPT), the unit eventually did go on. Now I can't get the unit to cool down to 18 degrees.It turned out the problem is that we had a power failure and so every time that happens, we need to go into the garage and reset the breaker switch! Ridiculous!
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