As a first step, I would swap the sensors around and see what happens to the CoP. It’s trivially easy to do, just need a Torx T20 (iirc) to remove some the outdoor unit case. And be sure to power off the outdoor unit using the circuit breaker.
As a first step, I would swap the sensors around and see what happens to the CoP. It’s trivially easy to do, just need a Torx T20 (iirc) to remove some the outdoor unit case. And be sure to power off the outdoor unit using the circuit breaker.