Blinking power light, humidistat not reading properly

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I bought a Sentinel HD55 about a year ago and it's been running continuously since then.

A few days ago i noticed it stopped running, and when i went to check on it in the crawl space, the power indicator light was blinking, and the humidstat kept showing that it was 23% humidity (definitely incorrect - i have a separate humidistat showing 65% humdiity)

Would anyone know what the issue here might be?

Answers

Hi Nathan,

Can u provide the dateplate so that we can see the version of the main board......

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