![](/images/new-backgrounds/1000811/81133x1.webp)
Troubleshooting
LED indicators on the front panel of the FT8308 transmitter/FR8308 receiver (refer to Figure 2 and to Figure 3, respectively) allow you to monitor signal status, laser status (transmitter only), and operating power. Table A provides information about the
Table A. Troubleshooting with
Indicator Color | Meaning |
| Possible Cause | Corrective Action |
|
|
|
| |
| Power LED (Pelco badge) |
| ||
|
|
|
|
|
Blue Pelco logo | Power is being |
| – | No action required. |
lights. | applied to the |
|
|
|
| module. |
|
|
|
|
|
|
|
|
Blue Pelco logo | Power is not being |
| Power connection is faulty. | Check power connection. |
does not light. | applied to the |
|
| If module is rack mounted, |
| module. |
|
| reseat module or power |
|
|
|
| supply as necessary. |
|
|
|
|
|
|
|
| Power supply has failed. | Replace power supply. |
|
|
|
|
|
|
|
| Loss of power occurs due to | Check circuit breakers, fuses, |
|
|
| tripped circuit breakers, | or electrical service as |
|
|
| blown fuses, or faulty | necessary. |
|
|
| electrical service. |
|
|
|
|
|
|
|
| Video Present LED |
| |
|
|
|
|
|
Green | Incoming video |
| — | No action required. |
| signal is present on |
|
|
|
| the channel. |
|
|
|
|
|
|
|
|
Red on transmitter | Incoming video |
| Video source is not | Check power connection to |
| signal is not present |
| powered on. | the video source. |
| on the channel. |
|
|
|
|
| Video source is not | Check BNC connections. | |
|
|
| ||
|
|
| connected to the |
|
|
|
| transmitter. |
|
|
|
|
|
|
|
|
| Coaxial cable is defective. | Replace cable. |
|
|
|
|
|
|
|
|
| (Continued on next page) |
17 |