Troubleshooting guide

366
3300 ICP Technician’s Handbook
In-Line Power Unit LEDs
The In-Line Power Unit LEDs are grouped as follows:
• AC Power (below)
• Power Unit Alarm (page 351)
• Power Unit Port Status (page 367)
AC Power
Figure 162: In-Line Power Unit LEDs
Table 104: Power Unit AC Power LED (Green)
LED Status Meaning Main Voltage
ON Unit plugged in and operating
normally.
42–57 V.
Flashing PORT STATUS GREEN LED ON:
Main power voltage outside specified
limits.
38–42 V OR 57–59 V.
Port power on.
PORT STATUS GREEN LED OFF:
Main power voltage outside specified
limits.
< 38 V OR > 57 V.
Port power OFF.
OFF Unit is not plugged in. OR
Unit is faulty.
< 12 V.