Leuze electronic DDLS 538 Series Original Operating Instructions page 17

Device description
Operating state indicator
The PWR, TMP, LSR, MAS, OLK, ERL and LINK LEDs indicate the operating state of the device.
1
1 PWR – Supply voltage (Power)
2 TMP – Temperature warning/error
3 LSR – Laser prefailure message
4 MAS – Master-side installation of the DDLS 538 ...
5 OLK – Optical link
6 ERL – Error Link
7 LINK – M12 cable-connected link
Fig. 3.4: Operating state LEDs in the control panel
Tab. 3.2: Meaning of the operating state indicators
LED Color
PWR ---
Green
Green
Red
Red
Leuze electronic GmbH + Co. KG
2 3 4
State
OFF
Flashing
Continuous light
Flashing
Continuous light
5 6 7
Description
No supply voltage (see chapter 8.1 "Error displays of the op-
erating state LEDs")
Device is being initialized
• Supply voltage connected
• Initialization running
• No data sent or received
Data transmission path ready
• Initialization finished
Warning set (see chapter 8.1 "Error displays of the operating
state LEDs")
• No green and orange LEDs in SIGNAL QUALITY indica-
tor
• The optical link is interrupted.
• The laser diode of the transmitter is defective.
Device error (see chapter 8.1 "Error displays of the operating
state LEDs"
• The function of the device is limited.
The displays of the other operating state LEDs may pro-
vide information on the cause of the error.
DDLS 538 ... 17