I purchased my Acurite 01121M-RX on June 6 2018.All functions work fine except the outdoor humidity. It always displays (1) What do I do ?.

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John P

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Posted 3 weeks ago

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Robert Woloohojian

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I wish someone would reply, I have the same issue only it's stuck on 99%
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John P

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I removed the batteries from the sensor unit  and let it sit for a few minutes then replaced the batteries, calibrated the humidity. It seems to be working fine. Time will tell

John P