Operations dashboard
Sensor & comms fault log
Bus-level Modbus faults — distinct from the operator-facing alarms in Alarm analytics. CTRL-XG-02 (rack R2) shows the escalating pattern that preceded its controller-offline alarm.
| Details | |||||||
|---|---|---|---|---|---|---|---|
| 19 Jul 2026, 11:12 | CTRL-XG-02 | 0 | 0 | Connection drop | CTRL-XG-02 | Heartbeat lost — controller-offline alarm AL-1007 raised | |
| 19 Jul 2026, 11:05 | CTRL-XG-02 | 0 | 0 | Connection drop | CTRL-XG-02 | Wireless bridge link down (RSSI last seen -84 dBm) | |
| 19 Jul 2026, 10:48 | CTRL-XG-02 | 2 | 131 | CRC error | DEV-THS-02 | CRC mismatch on register block 0x30 — frame discarded | |
| 19 Jul 2026, 10:12 | CTRL-XG-02 | 0 | 0 | Modbus timeout | CTRL-XG-02 | No response to poll frame within 500 ms (attempt 2/3) | |
| 19 Jul 2026, 09:41 | CTRL-XG-02 | 0 | 0 | Modbus timeout | CTRL-XG-02 | No response to poll frame within 500 ms (attempt 1/3) | |
| 19 Jul 2026, 08:02 | CTRL-XG-02 | 1 | 125 | CRC error | DEV-PTL-205 | CRC mismatch on battery status register — read retried | |
| 18 Jul 2026, 16:20 | CTRL-XG-02 | 1 | 122 | CRC error | DEV-PTL-202 | CRC mismatch on battery status register — read retried | |
| 17 Jul 2026, 08:10 | CTRL-XG-02 | 2 | 131 | Modbus timeout | DEV-THS-02 | Calibration write ack never received | |
| 17 Jul 2026, 00:04 | CTRL-XG-02 | 0 | 0 | Connection drop | CTRL-XG-02 | Wireless bridge link down — AP channel interference | |
| 22 Jun 2026, 08:15 | CTRL-XG-02 | 2 | 140 | Modbus timeout | DEV-ETG-01 | E-paper refresh ack not received within window |
- At
- 19 Jul 2026, 11:12
- Kind
- Connection drop
- Message
- Heartbeat lost — controller-offline alarm AL-1007 raised
- At
- 19 Jul 2026, 11:05
- Kind
- Connection drop
- Message
- Wireless bridge link down (RSSI last seen -84 dBm)
- At
- 19 Jul 2026, 10:48
- Kind
- CRC error
- Message
- CRC mismatch on register block 0x30 — frame discarded
- At
- 19 Jul 2026, 10:12
- Kind
- Modbus timeout
- Message
- No response to poll frame within 500 ms (attempt 2/3)
- At
- 19 Jul 2026, 09:41
- Kind
- Modbus timeout
- Message
- No response to poll frame within 500 ms (attempt 1/3)
- At
- 19 Jul 2026, 08:02
- Kind
- CRC error
- Message
- CRC mismatch on battery status register — read retried
- At
- 18 Jul 2026, 16:20
- Kind
- CRC error
- Message
- CRC mismatch on battery status register — read retried
- At
- 17 Jul 2026, 08:10
- Kind
- Modbus timeout
- Message
- Calibration write ack never received
- At
- 17 Jul 2026, 00:04
- Kind
- Connection drop
- Message
- Wireless bridge link down — AP channel interference
- At
- 22 Jun 2026, 08:15
- Kind
- Modbus timeout
- Message
- E-paper refresh ack not received within window
1–10 of 17
Faults by device
CTRL-XG-02 | 6 |
DEV-THS-02 | 2 |
DEV-TL-02 | 2 |
DEV-THS-01 | 2 |
DEV-PTL-202 | 1 |
DEV-ETG-01 | 1 |
DEV-PTL-205 | 1 |
DEV-PTL-104 | 1 |
DEV-THS-03 | 1 |