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Fault description
The electrical release
device is not acti-
vated despite trig-
gering (LED lights
up)
The line fault
"electrical release
device" is shown
No pressure is
applied behind the
pressure reducer
No pressure or the
incorrect pressure is
applied behind the
pressure reducer
The adapter
connection is leaky
The shuttle non-
return valve is leaky
or not functioning
9.4 Pneumatic time delay unit
Fault description
Delay time is
incorrect
168
Cause
The polarization of the
electrical connection is
incorrect
The electrical release
device is defective
The connection line is
inverted (commissioning)
The control model is
defective (maintenance)
The line connection is
faulty (short circuit or wire
break)
A foreign object or dirt is
blocking the inlet to the
pressure reducer
The pressure reducer is
incorrectly set
The pressure reducer is
defective
The seal is defective or not
present
The seal fitting is dirty or
the ball is stuck
Cause
Time setting is adjusted
Incorrect test gas and/or
incorrect test pressure set
Inst. and Maint. Manual | Oxeo PR LCP | F_101921 Rev 02 | 10-2022 | en
Remedy
Check the cable connection
and correct it
Replace the electrical release
device
Correct the connection
Replace the control module
Detect the faulty connection
Perform repairs
Check the connection
components (adapter, valve
output); clean and remount
if
necessary
Check and set the setting ""
on page
If the pressure reducer can-
not be set, replace it
Check the seal; replace if
necessary
Replace the shuttle non-
return valve
Remedy
Correct the time setting
Use nitrogen (N2) test gas at
a test pressure of 109 psi
(7.5 bar)
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