Dometic heat pump rattle
We have a 2015 Aframe, and sometimes when we start the heat pump on AC, it makes a pretty loud rattle sound, like maybe a bad bearing. I thought maybe we were starting it up too soon after transport, not allowing the coolant to settle, so on a recent trip, tried to allow it to settle before starting. This time, the rattle happened after it had been running a few hours, but not as loud. Any ideas before we consult an HVAC person? Thank You
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