Fig. 18 Example of error code
After 4 short flash pulses of the Power LED
1
, there are 6 long flash pulses of the Error LED
2
. This
indicates error code 6 (pneumatic fault). A pneumatic fault occurs, for example, if the operating pres-
sure is below the required minimum pressure or there is no pressure at all.
11.2
Fault clearance
–
Check compressed air supply
–
Check power supply
–
Check installation of the signal lines
–
Start device .
–
If the fault occurs again: contact Festo service
è
Malfunc-
tion/
error code
Possible cause
Remedy
2
Bouncing on the enable signals
–
Make sure that only debounced con-
tacts are used (e.g. for protective
guards or doors).
Power supply is insufficient
–
provide sufficient power supply.
5
Power unit is not correctly dimensioned;
voltage collapses
–
use a sufficiently dimensioned power
unit.
6
Pressure supply was interrupted
–
Restore compressed air supply.
Enable signals outside the specification
–
Comply with specification .
8
Multi-pin plug socket NECA or cable is
defective
–
NECACheck multi-pin plug socket or
wiring and replace if defective.
PLC emits test pulses that are offset to the
enable signals
–
Switch off test pulses.
–
Use MP5 plug connector.
Additional
Error codes
Malfunction due to electrical or electro-
magnetic effects (EMC information not in
compliance)
–
note maximum length of the signal
lines.
–
Connect earthing correctly.
–
maintain minimum wall distance.
–
Do not install cables behind the
product.
Malfunctions
25
Festo — MS6-SV-...-E-10V24 — 2019-10d