Chapter 7 - Options

5) LED Indicator lamp description

DBU has three LED indicator lamps.

 

Display

 

 

Description

 

 

POWER

 

 

Power LED turns Red when input power is applied to DBU.

 

 

RUN

 

 

RUN LED is blinking while the DBU is activated by motor regenerating energy.

 

 

OHT

 

 

The unit shuts down the output and turns OHT LED ON when the heatsink is overheated

 

 

 

 

in operation by its protection function.

 

 

 

 

 

 

OHT POWER RUN

POWER LED (Red) : indicates input power is applied.

RUN LED (Green) : indicates Dynamic braking is active.

OHT LED (Green) : indicates Over Heat Trip occurs

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Image 192
HP 30 30 manual Power LED turns Red when input power is applied to DBU