Installation manual

Table of Contents
900M050U00  Athena Controls, Inc. vii
20. Frequently Asked Questions............................................................. 20-1
20.1 Introduction ................................................................................................. 20-1
20.2 How do I change from thermocouple to RTD (or vice versa)?....................... 20-1
20.3 Why doesn’t the PV displayed match the value on a
thermometer in the process? ....................................................................... 20-2
20.4 Why does my compressor cycle so often? ................................................... 20-2
20.5 Why doesn’t the controller communicate with the host computer?................ 20-2
20.6 Why isn’t the setpoint displayed all the time?............................................... 20-3
20.7 The last digit of the PV display changes very frequently.
How can I slow it down? .............................................................................. 20-3
20.8 Why is the setpoint changing? I haven’t touched the controller!...................20-3
21. Index.................................................................................................... 21-1