CJC Temperature sensor measurement on SCB-100

[shantaram]

I am trying to measure temperature at CJC-T sensor on SCB-100 box. I grounded the differential channel "0" (short-circuited pins 2,3 and 4). I am measuring a temperature reading(22.3 Deg Cel) at channel "0" (I am not sure if it correct) when CJC was disabled (S4 and S5 in down position) but some junk when I have the CJC enabled(S4 and S5 in up position). Moreover, it shows the same reading even when the SCB-100 box is put in a heated chamber. why?
I have similar problems with an external thermocouple too. Ironically, it reads when CJC is disabled and nothing when CJC is enabled. Am I missing something that needs to be done? I am also attaching the SCB-100 manual for quick reference.

[AVR]

Try removing the shorting wires on the input pins(2,3,4) to the channel dedicated to the CJC. When you have the switches (S1-S6) set to use the CJC, you do not want any input wires on the terminals to Channel 0 - the switches take care of signal routing. As a note, make sure the switches (S1-S6) to enable the CJC are set to the same mode as the DAQ card (differential, single-ended) or additional measurement errors will result. I hope that this suggestion helps.

[RIO-Todd]

Also, make sure that you have selected the scb-100 as the accessory for the DAQ board. You can do this by right-clicking on the DAQ board under devices and interfaces in Measurement and Automation Explorer (MAX) and selecting "Properties," going to the Accessory tab, and then choosing the scb-100 (check the CJC jumper set). Once you do this, you can create virtual channels in MAX and will want to select "built-in" for the CJC of the thermocouple virtual channel.