Technical Documentation
T1600 Four-Input 240-A DC Power Supply LEDs
LEDs on each four-input 240-A DC power supply faceplate (see Table 1) indicate the status of the power supply. In addition, a power supply failure triggers the red alarm LED on the craft interface. Figure 1 displays the power supply LEDs.
Figure 1: Four-Input 240-A DC Power Supply LEDs
Table 1: Four-Input 240-A DC Power Supply LEDs
LED | Color | State | Description |
|---|---|---|---|
INPUT PRESENT—One per input | Green | On steadily | Input is receiving voltage. |
Off | Input voltage is not present. | ||
CB ON—One per input | Green | On steadily | Circuit breaker is on. |
Off | Circuit breaker is not turned on, or host subsystem has detected a failure and has turned the circuit breaker off. | ||
DC OK—One per power supply | Blue | On steadily | When all four inputs are properly energized, the DC OK LED indicates that the power supply is functioning normally. |
Blinking | Either the power supply is starting up, or it is not functioning, not properly installed, or not operating properly. | ||
OVER TEMP—One per power supply | Yellow | On steadily | Power supply has exceeded recommended temperature. |
Off | Power supply is within the recommended temperature or the power supply is not on. |
