| Front panel |
| Green LED |
Lit |
DTR power is on; processor card PR‑10500 is active. |
Blank display |
| Transmitter processor card PR‑10500 |
| 2 yellow LEDs |
Blinking |
Processor card OK |
|
| Transmitter motherboard PR‑10600 |
| Yellow LED (D17) |
Blinking |
Motherboard processor working. |
|
| Green LED (D16) |
Lit |
Processor card converts 24 V / 3 V. |
|
| Green LED (D26) |
Lit |
Isolating DC / DC conversion OK. |
|
| 2 green LEDs (D23, D25) |
Lit |
Corresponding relay (RLY1 / RLY2) has power. |
|
| H1 interface card PR‑10701 |
| Green LED (LD1) |
Lit |
Sensor A current correct, 20 … 60 mA. |
|
| Green LED (LD1) |
Blinking |
Sensor A is being reset. |
|
| Red LED (LD2) |
Blinking |
Sensor A current is too high and the card is trying to reconnect with correct
current. |
Troubleshooting messages |
| Red LED (LD2) |
Lit |
Sensor A current is too high and power supply to Sensor A has been switched
off. |
Troubleshooting messages |
| Green LED (LD3) |
Lit |
Sensor B current is correct, 20 … 60 mA. |
|
| Green LED (LD3) |
Blinking |
Sensor B is being reset. |
|
| Red LED (LD4) |
Blinking |
Sensor B current is too high and the card is trying to reconnect with correct
current. |
Troubleshooting messages |
| Red LED (LD4) |
Lit |
Sensor B current is too high and power supply to Sensor B has been switched off. |
Troubleshooting messages |