Last seen: Nov 29, 2025
@jamespa Well, I am not alone. Someone on the "Heat Geeks Heating Help For Home Owners" Facebook forum has posted exactly the same problem. Sounds l...
13:51 - Pump is "idle" Temperature in the shade at the side of the house 14c. Outdoor temperature reading of the heat pump 21c. The top of the p...
@jamespa Extending the cable is not something I would like to attempt especially as Mitsi have agreed to send an engineer. Perhaps he will do it. It...
@boycey If I remember correctly, when the engineer fitted the replacement thermostat, the cable wasn't very long. Yes, my thermostat is in the same ...
@jamespa The mitsubishi outdoor thermostat is attached to the protection frame at the back of the heat pump and connects via a short red cable. There ...
@jamespa Many thanks for comment. I can't recollect any location instructions from Mitsubishi stating that the unit should be in the shade, only phy...
@boycey Heat pump is located at the back of the house and yes I agree, yesterday the sun was out and the rooms at the back of the house had some solar...
@jamespa Sorry not exactly sure about when it went into shade but my feeling is at the same time as the temp drop. Clutching at straws: - I did h...
James: Just noticed the timing of the drop: from 21 c at 16:05 to 10c at 16:45.
@jamespa Unfortunately it's now in the shade. The outside temperature is now down to reading a more realistic 11c so I'll have to wait for another s...
Just to follow up on the Outside temperature issue. Last year I reported that the Ecodan outside temperature was over reading on sunny days. An engi...
@bobtskutter Hi Bob. Just a short update to say that the Red expansion tank guage is stable on 1.2 reinforcing my thought that it was air in system. I...
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