A reserved code for a possible obstruction. Current firmware does not raise it.
| At a glance | |
|---|---|
| Code | 321 |
| Shown as | Clog |
| Severity | Warning |
| Category | 3xx — Process / sensor signals |
| Clears | — |
Not raised by current firmware. This code is reserved, so the page is kept.
The code is reserved in the controller’s alarm list. No released device raises it.
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Nothing. If this code appears on a unit, contact support with the unit’s firmware version.