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Receiving unit connection does not respond?

1. Check whether the data line and connection interface are loose;

2. Replace the acquisition serial port and reset the connection;

3. Check whether the USB driver of the computer is installed.

1. Check whether the temperature channel of thermocouple wire connection is loose;

2. Check whether the positive and negative poles of the temperature channel are connected reversely.

1. Check whether the interface between JS5401A ambient temperature and humidity probe and equipment is loose;

2. Whether the software starts the function of ambient temperature and humidity.

1. Whether the equipment serial number is input correctly;

2. The channel of JS5500 series equipment is consistent with that of receiving unit;

3. Whether the acquisition mode is selected correctly.