11
. TRO
UBLE
SH
O
O
TING
No�
Fault
Can be recognized by
Possible cause
Remedial measures
1
Gas leakage during filling
process, decreasing with
increasing pressure
Sounds of escaping gas
Incorrect connection
Stop the filling process,
reconnect the connector
Inlet too rigid
Fit a flexible hose, for example
Gas leakage when pressure
increases
Sounds of escaping gas
Incorrect connection
Stop the testing operation,
reconnect the connector
Faulty front seal
Stop the testing
operation
Replace the front
seal, see
Chapter
9.4.1
Damaged cylinder valve
Decide whether
to interrupt the
filling process or
to continue it
Replace cylinder
valve
2
Safety peg does not emerge from the connector when the
pressure builds up
Safety peg bent
End the filling process, send the
connector to WEH for maintenance
The filling pressure has
not yet reached 15 bar
The filling pressure must equal 15–
20 bar for the safety peg to emerge
Too little lubrication.
contaminated safety peg
Replace the connector before next
filling process, send the connector to
WEH for maintenance
The safety peg does not
retract
The actuation lever
cannot be opened
The system is not
depressurized enough
Check if cylinder valve is closed. Con-
tinue to depressurize
Safety peg becomes
jammed due to
dry-running
Send the connector to WEH for
maintenance
Safety peg becomes
jammed due to damage
Press the safety peg into the
connector by hand or carefully using
a tool. Send the connector to WEH for
maintenance
MD-10081-L51-R1.1.0-03
Page 31
Oper
ating instructions
AE