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How to solve the problem when the thermostat LCD displays Er1?

views: 2467  time: 2021-08-21

The 3A thermostat can change the built-in temperature measurement method through advanced settings, and the 16A thermostat needs to check the whether external sensor is loosely connected or the sensor is damaged and needs to be replaced.

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Nanhu District, Jiaxing City, Zhejiang China.