NI WSN 3212 takes incorrect measurement with external power

[M_Stas]

Hi, all.
I have a problem with temperature measurement using NI WSN 3212 node with external power supply. The value randomly changes for all four channels. It happens if at least one thermocouple connected to any channel. If I disconnect all thermocouples, the values of channels are NaN. I have not this problem when node powers by battery.

[abh]

Hi,

1. Check for the correct power cord that you have attached with the node to give the external power.

2. Check for any external power supplied to the channels from your side.

3. Reboot the node and try to obtain the temperature from thermometer.