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No surprise. 458s packed up again this evening. CO2 was playing up, then it went mad showing a CO2 reading of 16% now it won't read a thing!

They replaced the CO2 sensor back in June on the calibration after me complaining about it being faulty - it had been fine up to now. Still be bringing it in every evening - whether they don't like to cold being sat in the van all day however you've got to use them somehow!
 

No surprise. 458s packed up again this evening. CO2 was playing up, then it went mad showing a CO2 reading of 16% now it won't read a thing!

They replaced the CO2 sensor back in June on the calibration after me complaining about it being faulty - it had been fine up to now. Still be bringing it in every evening - whether they don't like to cold being sat in the van all day however you've got to use them somehow!
Mine needs to go back for calibration by the 20th December. It still takes 5mins for Coppm to zero in fresh air. Drops to 4ppm then takes 5 mins to then go to zero. Also takes ages for Coppm reading climb to its maximum level when sampling. I think kane should offer you a heated blanket to rap it in. 😆
 
Thought I would just update with another Issue with my trusty old Kane 458s. Today whilst Analyzing a Worcester Bosch 24ri I couldn't get the Co2% to adjust without the ratio & Coppm going to very high levels. Then found where the rubber hose goes into the rear of the probe handle, it has either come adrift or broken. Lucky I still had my old Kane 455 probe and hose and had to go home and get it and swap it over. I found the issue by blocking the Probe tip and blowing down the other end and air just Sodes out of the probe handle. The probe & hose have not been abused and look as good new. I've contacted Kane tonight through Kane Care website. Hopefully will get a new one sent out.

Just a helpful warning to other Kane users to check probe before condemning the boiler.
 

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