Table 4.28 Default parameters
Parameter Range Default Notes
Action Warning
Latch Not enabled, Enabled Enabled
More information
See Alarms, Alarm test and status, Alarm status digital outputs for more information about the configuration of the
Status OK alarm output.
4.9.2 Critical process error
The alarm communicates that the controller's critical communication and/or processing are disrupted.
The alarm action is Warning and the alarm is always enabled. The controller also activates the System not OK alarm. The alarm
parameters are not visible.
It is unlikely that customers will see this alarm. If you do see this alarm take the following actions:
1. Restart the controller.
2. If restarting does not help, update the controller software to the latest version.
3. Contact DEIF.
4.9.3 Required I/O card(s) not found
This alarm communicates that some of the default hardware modules for the controller type were not found. The alarm action is
Warning.
If one or more default controller hardware modules are missing, then this alarm is activated on start-up. The controller also activates
the System not OK alarm. The alarm parameters are not visible.
4.9.4 Software mismatch on hardware module(s)
This alarm is activated if any of the hardware modules in the controller have a software version installed that differs from the
expected version. The alarm action is Warning. This alarm activates the System not OK alarm. The alarm parameters are not visible.
INFO
This alarm is only activated if you install a replacement hardware module in the controller. The new module can have
different software to the rest of the controller. Reinstall or update the controller firmware to fix the problem.
4.9.5 System power management network error
Controller types: This alarm is present in all controllers.
This alarm communicates that the same System power management setting changed at the exact same time on two or more
controllers. If the alarm activates, all the controllers where the setting changed at the same time are forced to switchboard control.
The alarm condition can be cleared by resetting the controllers on which the alarms occurred.
The alarm action is Warning, and the alarm is always enabled. You cannot see or change the alarm parameters.
4.9.6 Power management rules network error
Controller types: This alarm is present in all controllers.
DESIGNER'S HANDBOOK 4189340911K UK Page 126 of 521
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