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B.2 Controller Reaction
Figure 8
Information Messages
This category of messages appears flashing on the bottom line of the display.
If the Information Message is an Absolute or Deviation Alarm, the associated
alarm limit indication on the bargraphs also flashes.
Figure 9
B.2
System Errors and Errors force the Control Mode into manual. At the same time
the Control Output is set according to the parameter ErrorBehavior.
It is not possible to change the Control Mode as long as the System Error or Error
condition is valid.
B.3
Error and Warning Messages must be acknowledged to make the message
disappear. If the condition that caused the message is still valid when it is
acknowledged, the message will reappear.
Errors and Warnings can only be acknowledged in Operator Mode.
System Errors and Information Messages cannot be acknowledged. However, in
some cases actions can be taken to make the message disappear. Refer to section
B.4 on page ccxxxvii for details. System Errors are irreversible and Information
Messages disappear when the condition causing the message disappears.
To acknowledge an Error or Warning proceed as follows;
240
21.7 °C
Display – Error Message.
Temp Tank 4
21.7 °C
I Hi-hi alarm
Display – Information Message.
Controller Reaction
Acknowledging Messages
Appendix B: Error, Warning and Information Messages
E AI1 Int
ISP 1
493-0736-11 (6-2)
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