10 Trouble shooting
10.1 Error messages/operating status SISTO-SK-i LED/SISTO-SK-i LED AS-i
18
High visibility-LED
Output
signal
Blue
Y
ellow
Red
Orange
Green
DO Open
DO Closed
DO Fault
Fault/
Operating status
Trouble shooting/
Note
No power supply.
•
Check power supply.
-
•
Reinitialise
Ready for initialisation.
-
Initialisation (Movement in the opening
direction)
-
Initialisation
(Reached open position)
-
Initialisation
(Movement in the closing direction)
-
Initialisation
(Reached closed position)
-
Operation
(Movement in the opening direction)
-
Operation
(Reached open position)
-
Operation
(Movement in the closing direction)
-
Operation
(Reached closed position)
-
Fault
(all positions)
•
Limit position not reached
•
Check stroke
•
Reinitialise
Fault limit position open
(limit position does not match the status of
the integrated solenoid valve).
• Check compressed-air supply
• Check valve for mechanical blockage
Fault limit position closed
(limit position does not match the status of
the integrated solenoid valve).
• Check compressed-air supply
• Check valve for mechanical blockage
Fault
(all positions)
•
Fault in system
• Send in actual-position feedback unit
to manufacturer.
Symbol
Description
Off
On
Flashing
Undefined