The outside sensor of my boiler has been displaying fanciful values for some time: Is it an aging sensor? I specify that it works more or less correctly around 10/12 ° but when the temperature goes down it tells nonsense. Today it is -4 °, she announces 5 °: Should we change it? Do you have an opinion?
When it works "halfway", I therefore fear that it is rather the regulation that causes concern (resistance or worn capacitor ...)
Find out about the type of probe (usually PT100 ... but it can be a K too ...) and try to connect another ... (the K's are for multimeters so very easy to test if you are team).
In short, start by finding the instructions for the regulation.
KTY81 / 110 in a box ... But I imagine that the component is not alone on the printed circuit?
I just recalibrated it at the current temperature ... To see ... Sometimes ...
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