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What do Er1, Er2, Er3 messages mean?

April 26, 2017ER1 er2 er3 mean Messages

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What do Er1, Er2, Er3 messages mean?

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These messages mean that an error occurred with the controller’s sensors. The sensors may be disconnected or out of the specified measurement range. In the temperature and humidity controllers, Er1 is for temperature and Er2 is for humidity. The description texts delivered with the product bring more specific explanations about the messages, since messages vary depending on the controller.