SICK MLG-2 WebChecker User Manual

13 Troubleshooting
This chapter describes how to identify faults on the MLG-2.
13.1 Response to faults
CAUTION
Ce
ase operation if the cause of the malfunction has not been clearly identified.
Immediately put the machine out of operation if you cannot clearly identify the fault and
if you cannot safely remedy the problem.
13.2 SICK support
If you cannot remedy the error with the help of the information provided in this chapter,
plea
se contact your respective SICK subsidiary.
13.3 LED displays and error indicators
This section explains what the LED error indicators mean. The status indicators are
descr
ibed in a separate section see "Display and operating elements", page 20.
LEDs on the front of the sender
Table 50: LED displays on the sender
Yellow LED Red LED Green LED Meaning
o o o
Supply voltage off or too low
o o O
Supply voltage on
Ö 1 Hz o O
Test input active
o O o
Hardware error
LEDs on the front of the receiver
Table 51
: LED displays on the receiver
Yellow LED Red LED Green LED Meaning
o o o
Supply voltage off or too low
o o O
Supply voltage on
O o O
Min. one edge detected
Ö 1 Hz o O
Teach-in active
Ö 3 Hz o O
QoR alarm or alignment aid active
Ö Ö Ö
Device search function active
If multiple ML
G-2s are installed in one applica‐
tion, you can activate the device search function
to identify a certain MLG-2.
o Ö 10 Hz o
Error for sensor teach-in or material teach-in
hav
e occurred.
o O o
Hardware error
O O o
Synchronization error
o O O
Short-circuit
13 TROUBLESHOOTING
106
O P E R A T I N G I N S T R U C T I O N S | MLG-2 WebChecker 8025190/2020-01-13 | SICK
Subject to change without notice

SICK MLG-2 WebChecker Specifications

General

Brand	SICK
Model	MLG-2 WebChecker
Category	Measuring Instruments
Language	English