User's Manual

MBF-40 AMERICAS REPEATERS
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage Date: 14-Feb-16 www.cobham.com/wireless
Document number: 00071UM Rev. 4.3
Page | 6-9
6.3.3 Power Supply LEDs
This section provides a detailed description of the LEDs and fault examples.
LED 1, Input Power, Green
Slow flash Power supply unit operating on AC or DC
OFF Power supply unit not operating
LED 2, +6V, Red
Slow flash (every 10
seconds)
+6V power supply operating
Quick flash
+6V power supply not operating or operating with
malfunction
LED 3, +15V, Red
Slow flash (every 10
seconds)
+15V power supply operating
Quick flash
+15V power supply not operating or operating with
malfunction
LED 4, +28V, Red
Slow flash (every 10
seconds)
+28V power supply operating
Quick flash
+28V power supply not operating or operating with
malfunction
Examples
LED 1 is flashing slowly, LED 2 – 4 are flashing slowly (once
every 10 seconds)
=> power supply unit is operating without problem
LED 1 is flashing slowly, one or two of the red LEDs are
flashing quickly
=> Input power is operating but there is a problem with
some of the other voltages
LED 1 is flashing slowly, all of the red LEDs are flashing
quickly
=> Input power is out and unit is operating on backup
battery
Input
Power
+6V +15V +28V
Input
Power
+6V +15V +28V
Input
Power
+6V +15V +28V
Input
Power
+6V +15V +28V