OSTART and OSTOP not working on a temperature control extension

[Product_Support]

Issue

OSTART and OSTOP not working on a temperature control extension

Environment

I/NET Resident I/O

Temperature Control Extension

Cause

Optimal start requires the space temperature to meet the cooling/heating target temperature sometime after the optimized start time.

Resolution

Check that the space temperature has met the cooling/heating target temperature sometime after the optimized start time in order for the OSTART to work properly.