OMRON Quick Start Instruction E5CC 3. Q & A I get the message s-err. Answer: This is because the reader has been connected incorrectly, the controller has been set incorrectly, or the reader has a malfunction, see Section 1.2.1 and Section 1.2.2 The temperature varies. Answer: A controller set to ON-OFF has over and undershoot. If necessary, set the controller to PID, see Sections 1.3 through 1.3.2 The temperature overshoots. Answer: A controller set to ON-OFF has over and undershoot. If necessary, set the controller to PID, see Sections 1.3 through 1.3.2 There is a discrepancy between measured and actual value. Answer: The reader may not show the correct temperature, possibly due to ageing.
This can be resolved by setting a shift, see Section 1.5 What is hysteresis and how do I set it? Answer: Hysteresis is used in an ON-OFF controller, and it ensures that the controller does not “jump” around the set value (SV). For an explanation, see Section 1.6 How do I use alarm / help connections? It does not work as expected Answer: The alarm type may not have been set correctly. The operation of the alarm types is explained in Section 1.4 The alarm does not switch to the set value Answer: The alarm type may not have been set correctly. The operation of the alarm types is explained in Section 1.4 I cannot open the advanced settings menu. Answer: This level is hidden by default.
Decrease the protect level, as described in Section s 2.1 and 2.2 22