Repeated "E1" error. Not calibrating
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Repeated "E1" error. Not calibrating
I have installed 5 Kasa TRV's.
2 are working fine but I can't get the other 3 to calibrate.
I am using the correct adaptor and I have checked that the valve pin is moving freely.
It is quite difficult to get the adaptor to tighten and I am worried that if I try to hard it may break.
Any tips or suggestions?
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