I have been working on a Mitsubishi Mr. slim heat pump system. My current problem is that it is stuck in cooling mode. I have replaced the reversing valve and coil. I'm not sure what to check next.
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I have been working on a Mitsubishi Mr. slim heat pump system. My current problem is that it is stuck in cooling mode. I have replaced the reversing valve and coil. I'm not sure what to check next.
Welcome, please read the words in red up above. This is introduction area only and you need to ask questions in other forums like the general area or residential.
Good luck.