A control mode cannot run because a device it needs is missing, offline, or in conflict. Its output has been moved to its safe state.
| At a glance | |
|---|---|
| Code | 230 |
| Shown as | Control Inoperable |
| Severity | Warning |
| Category | 2xx — Control-loop safety and policy |
| Clears | Automatically, when the device returns and the mode runs normally |
The mode is complete and enabled, but its sensor or output is unavailable. This alarm names the halted mode, keyed by its output; the device itself has its own alarm — usually Device Disconnected (100) or Device Conflict (102). The screen shows Mode inoperable.
For the first 30 seconds after start-up, modes wait for their devices and this alarm is not raised.
Holds the output in its safe state rather than running on a stale reading.