Chapter 4 Names of Parts

Chapter 4. Names of Parts

4.1 Main Unit

 

 

 

 

 

BUILT_IN CNET

 

RUN

ON

OFF

 

PAU/REM

 

 

 

 

STOP

ROM MODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

+

 

 

 

RS-485

 

 

 

No.

 

Name

 

Description

 

Indicates status of power supply to the system

PWR LED

y On : When the supplied power is normal

yOff : When the supplied power is abnormal Indicates operating status of main unit

 

CPU

 

y On : Indicates local key switch or remote running mode

 

 

 

Condition

RUN LED

y Off : with the followings, LED turns off

LED

- When the supplied power to the main unit is abnormal.

 

 

 

 

 

-While key switch is on stop mode

-Detecting an error which makes operation stop Indicates operating status of CPU

ERR LED

y Flickering : self-inspected error

yOff: CPU is working normal.

4 -1

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Image 24
LG Electronics 120S user manual Main Unit, Pwr Led, Run Led, Err Led