Festo VTSA-F-CB, Manual, Page: 73 / 106

Festo — VTSA-F-CB — 2021-06a
Malfunctions
73
10.1.1 Diagnostic interfaces
10.1.1.1 Diagnostic messages of the pneumatic interfaces and address extension modules
Error number Description Error handling
5 Valve load voltage fault
Valve load voltage (U
VAL
) missing
or too low.
–
Check load voltage è 12.4 Technical data,
electrical
11 Short circuit at valve error
Short circuit/overload at valve.
–
Check valves as well as their correct
assembly and electrical connection
–
Replace valve if necessary
13 Wire break error
Quiescent current monitoring of
the valve solenoid coils (open
load, only with logic 0 active).
–
Check valves as well as their correct
assembly and electrical connection
–
Replace valve if necessary
–
if necessary, correct incorrect parameterisa-
tion, e.g. with reserved valve positions or
cover plates
Tab. 48: Diagnostic messages of the pneumatic interfaces and address extension modules
10.1.1.2 LED displays of the valves
1
2
1 2
1
2
2
1 2
3
4
5
6
Fig. 41: Arrangement of LEDs for the solenoid coils
1 Solenoid coil LED 12
2 Solenoid coil LED 14
3 Valve width 52 mm 4 Valve width 42 mm
5 Valve width 26 mm
6 Valve width 18 mm
Every solenoid coil is assigned an LED. The LEDs show the switching status of the solenoid coils.