If malfunctions occur
AVENTICS
| ED12 | R414002587–BDL–001–AB
59
Eng
lish
10.2.1 Checking the seals of the ED12
The seals in the ED12 may age faster under aggressive ambient
conditions. Defective seals will lead to pneumatic leaks and non-
compliance with the IP 65 protection class.
O
Every now and then, check that the seals on the pressure
regulator are in perfect order.
A damaged seal can be recognized by parts of the seal visibly
protruding from the housing gaps.
11 If malfunctions occur
Table 12:
Malfunction
Possible cause
Remedy
No outlet pressure available
No power supply
Connect the power supply
Check the polarization of the power
supply
Switch on system component
No set point stipulated
Stipulate a set point
No supply pressure available
Connect the supply pressure
Outlet pressure too low
Supply pressure too low
Increase the supply pressure
Insufficient power supply for the
device
Supply the device with correct
(sufficient) voltage
Outlet pressure less than
the set point
Consumers that use a lot of
air (> 2600 Nl/min) cause a large
drop in pressure in the device
Reduce air consumption
Outlet pressure does not
correspond to the stipulated
set point
Housing ventilation port is closed Ensure that the housing ventilation
port is open
Defective diaphragm in the
housing ventilation port
Exchange the ED12