Issue
Users may observe that AI (Analog Input) object temperatures in Sigma controllers suddenly increase or fluctuate unexpectedly when viewed through system logging.
Product Line
Satchwell BAS & SigmaEnvironment
Sigma controllers
Cause
This issue is typically caused by a faulty processor (CPU) card within the Sigma controller. The fault leads to incorrect readings being processed and displayed.
Resolution
To resolve this issue:
- Replace the CPU card in the affected Sigma controller.
- After replacement, monitor the AI object values to confirm stability and accuracy.
