Troubleshooting - schmersal SLC 412 Instructions De Montage Et De Raccordement

TROUBLESHOOTING

The indications provided on the displays of Emitter and Receiver make it possible to trace
the cause of a system malfunction.
As indicated in the "INDICATIONS" chapter of this manual, in the case of a fault, the system
is blocked and a "F" letter followed by a numeric code identifying the type of fault is shown
on the display of the Receiver. (See the tables below).
EMITTER (BLINKING SYMBOLS)
LED
Red
Red + Yellow
Red + Green
Red + Orange
RECEIVER
CODE
(Flashing)
Displayed alternatively to the error code
F
Incorrect configuration of the system (the
flashing LED together with the C indicates the
C
Incorrect "SYSTEM STATUS" or overload
U
OSSD outputs incorrectly connected to
2
External contact enabling/disabling signal
E
missing or contactors feedback missing
3
4
5
A
24
Range selection error
DIAGNOSIS
incorrect type of configuration)
signal connection
+24VDC
Internal error
Internal error
Internal error on the OSSD outputs
(or incorrect connection of these)
Internal error
DIAGNOSIS
Send the equipment for repair to
Internal fault
SCHMERSAL.
Send the equipment for repair to
Internal fault
SCHMERSAL.
Send the equipment for repair to
Internal fault
SCHMERSAL.
Correct the range selection on the
Emitter unit.
Check the connections according to
configuration selected.
Check the connection of PIN 4.
Carefully check the connection of PIN 2 and
3 (OSSD) on the connector.
Warning : the load must be positioned
between the OSSDs and 0VDC.
Check the connections of PIN 11 and PIN
18.
Send the equipment for repair to
SCHMERSAL.
Send the equipment for repair to
SCHMERSAL.
Carefully check the connection of PIN 2 and
3 (OSSD) on the connector.
These PINs could be connected directly to
+24VDC or 0VDC.
Otherwise, send the equipment for repair to
SCHMERSAL.
Send the equipment for repair to
SCHMERSAL.
REMEDY
REMEDY