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2014-01-05 When the SF6 concentration online monitoring syste...
The system has set the fan running time, clear the zero 00 time to judge; Oxygen value decays below the fan starting point, but does not reach the alarm point; Adjust the internal potentiometer or instruct the user to lower the oxygen alarm point first. The fan control relay is damaged and has become normally closed. Need to shut down test and replace; Host control logic disorder, restart the machine; The main board is defective and needs to be replaced and returned to Weavers' product workshop
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