Fault
A fault is sent on the bus in the event of a fault (e.g., communication configuration, etc.).
Priority of alarms
If several faults occur at the same time, the fault with highest priority applies.
The table below shows faults and priority.
|
Priority | Fault | Thermostat | Fault information on BACnet |
|---|---|---|---|
Display | Value object fault | ||
|
- | No fault | --- | No fault |
|
1 |
Internal sensor error |
|
Built-in sensor |
|
2 |
External / remote sensor error |
|
Sensor X1 defective |
|
3 | Communication error, i.e. no communication after two heartbeats |
| Communication |
|
3 | External fault input X1 |
| Input X1 |
|
3 | External fault input D1 |
| Input D1 |
Er1* If all faults occur at the same time on HMI, the priority is X1 > D1 > No communication. Users can check the details via diagnostic parameter d00 or the Quick Config app (diagnostic menu).