This table describes the LED indicators for the System Power Supply (AC/DC) and the System Power Supply (Dual DC/DC).
| LED | Correct Operating Conditions | Fault Indications | Probable Cause | Corrective Action |
|---|---|---|---|---|
| Green – Power | On | Off | 1. Power is not supplied to unit. Possible line power problem. | 1. Check supply power and connections. |
| 2. Internal fault | 2. Contact technical support. | |||
| Red – Error | Off | On | 1. Outputs are outside of tolerance. | Verify loading calculations. |
| 2. Input over voltage. Unit shuts down. | 2. Check input supply voltages. |