Omron E5EK - MANUAL 2 User Manual page 133

CHAPTER 8 TROUBLESHOOTING
8.4 Checking Operation Restrictions
8–6
With the E5EK DRT controller, auto tuning sometimes does not operate
depending on the way functions are combined. The table below summa
rizes the main operating restrictions.
If the E5EK DRT controller is not operating properly, first check whether
operating conditions violate the restrictions in this table.
Restriction Restriction
AT Execution
At heating and
cooling control impossible
Execution
At ON/OFF control
impossible
At AT execution
Execution
At stop
impossible
Inoperable or Invalid Functions
Limiter Function
40% AT
Manipulated variable
MV change rate
MV change rate
Manipulated variable
MV change rate
Other
Parameter setting