10
Service
Engineering adapter
Operating Instructions – Compact Extra-Low Voltage Drives
70
10.1.1
Status LEDs
The following tables show the possible states of the status LEDs on the engineering
adapter.
LED DC 24 V
Status of the DC 24 V supply (logic)
LED color
State
Description
Off
OFF
No DC 24 V supply voltage
Green
Steady light
ON
DC 24 V supply voltage is
applied
LED DC 48 V
Status of the DC 48 V supply (power)
LED color
State
Description
Off
OFF
No DC 48 V supply voltage
Green
Steady light
ON
DC 48 V supply voltage is
applied
LED RS485 Data
The RUN LED is supposed to represent the communication status of the RS485 bus
LED color
State
Description
Off
OFF
No RS485 communication/
timeout
Green
Flashing
ON
RS485 communication ac-
tive
LED DC 48 V Err
Indicator for reverse polarity fault, DC 48 V supply
LED color
State
Description
Off
OFF
DC 48 V has been con-
nected correctly
Yellow
ON
Reverse polarity fault –
connections must be
checked
LED DC 24 V Err
Indicator for reverse polarity fault, DC 24 V supply
LED color
State
Description
Off
OFF
DC 24 V has been con-
nected correctly
26718014/EN – 11/2020
