Yellow Alarm light is lit on 409.83 Temperature Controller (Figure 1).
Figure 1 – 409.83 Alarm Indicator Active
This could be caused by a possible interlock condition somewhere. Check the Station Manager message-pane window to see if it shows the cause of the interlock (Figure 1).
Figure 1 – Station Manager Message Pane Window
From pages 28-29 of the attached manual:
Figure 2 – Eurotherm 2216 temperature controller Indicators
If the temperature controller is not connected to an MTS controller, check that the jumper is installed on P6 connector (Figure 3).
Figure 3 – Temperature Controller P6 Jumper Plug Pinout