RaptorLinx-Ai-ST Controller / Controller Hardware /
LED Status Indicators
RaptorLinx-Ai-ST status is indicated by several LED’s. All LED’s with the exception of the Ethernet Link and Activity LEDs are multi-colored and context sensitive. The following sections indicate the various meanings of all LED indicators.

| Indicator | Item | LED State | Description |
| M8 Sensors | |
Solid GREEN | Sensor Input is energized |
| Solid AMBER | Module is booting up | ||
| Solid RED | Aux I/O Pin 2 is energized (when configured as an Input) | ||
| Flashing RED | Network Stop condition active | ||
| Flashing AMBER | Power supply is less than 10V | ||
| Slow Blinking RED | Profinet enabled discover function initiated from PLC | ||
| Module Status | |
Solid RED | Module is booting up or during Auto-Replacement procedure, module is attempting to retrieve data from neighbor module(s) |
| Blinking RED | Module is starting task processes | ||
| Blinking GREEN | Module is Ready | ||
| Flashing GREEN & Blinking RED | Auto-replace procedure has been properly triggered | ||
| Flashing RED & Blinking GREEN | Failsafe Mode | ||
| Flashing RED | Auto Configure Mode is active | ||
| Blinking AMBER | Performing firmware upgrade check | ||
| Solid AMBER | Firmware upgrade in progress | ||
| Network Status | |
Solid RED | Starting Inter-module communications |
| Blinking RED | Establishing inter-module connections | ||
| Blinking GREEN | Inter-module communications established | ||
| Digital Inputs | Solid GREEN | Sensor Input is energized | |
| Solid AMBER | Module is booting up | ||
| Flashing RED | Network Stop condition active | ||
| Flashing AMBER | Power supply is less than 10V | ||
| Slow Blinking RED | Profinet enabled discover function initiated from PLC | ||
| Digital Output | |
Solid GREEN | Output is Energized |
| Slow Flash RED | Output Fault or Short Circuit | ||
| Motor | |
OFF | Motor is not running and no faults detected |
| Solid ON GREEN | Motor is running | ||
| Solid ON RED | If Motor is running – indicates current limit If Motor is stopped – indicates motor is not connected properly or is overheated Power supply is under 18V or above 30V |
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| Slow Blink RED | Motor is overloaded and the module is limiting current to reduce temperature | ||
| Slow Flash RED | Motor short circuit detected between at least two of the phase windings or Motor Power supply is less than 10V |
Indicator States
| Indication | Rate | Visible Action |
| Slow Blink | 1 Hz | 500 msec. ON / 500 msec OFF |
| Fast Blink | 2.5 Hz | 200 msec. ON / 200 msec OFF |
| Slow Flash | 2 Hz | 250 msec. ON / 250 msec OFF |
| Fast Flash | 10 Hz | 50 msec. ON / 50 msec OFF |
| Single Flash | 200 msec. ON / 1000 msec OFF | |
| Double Flash | 200 msec. OFF / 200 msec ON / 1000 msec OFF |


