11. TROUBLESHOOTING
No
�
Fault
Can be r
ecogniz
ed b
y
Possible cause
Remedial measur
es
1
Gas leak during filling oper
ation, decr
easing with
incr
easing pr
essur
e
Sounds of
escaping gas
Incorr
ect
connection
St
op the filling oper
ation,
reconnect the connect
or
Inlet t
oo rigid
fit a flexible hose, for example
Gas leak when pr
essur
e
incr
eases
Sounds of escaping gas
Incorr
ect
connection
St
op the testing oper
ation,
reconnect the connect
or
Faulty fr
ont seal
St
op the testing
oper
ation
Replace the
fr
ont seal,
see
Damaged cylinder v
alv
e
Decide whether to interrupt the filling oper
ation
or t
o continue it
Replace cylinder valv
e
2
Saf
ety peg does not emer
ge fr
om the connect
or
when the pr
essur
e builds up
Saf
ety peg bent
End the filling oper
ation, send the
connect
or t
o WEH for maintenance
The filling pr
essur
e has
not y
et r
eached 15 bar
The filling pr
essur
e must equal 15–
20 bar for the saf
ety peg t
o emer
ge
Insufficient lubrication
Contaminated saf
ety peg
Replace the connect
or befor
e next
filling
oper
ation,
se
nd
the
connect
or t
o
WEH for maintenance
The saf
ety peg does not
retr
act
The actuation le
ver
cannot be opened
The system is not
depr
essuriz
ed enough
Check if cylinder v
alv
e is closed
Continue t
o depr
essuriz
e
Saf
ety peg becomes
jammed due t
o dr
y-running
Send the connect
or t
o WEH for
maintenance
Saf
ety peg becomes
jammed due t
o damage
Pr
ess the saf
ety peg int
o the
connect
or b
y hand or car
efully using
a t
ool. Send the connect
or t
o WEH for
maintenance
MD-10017-L51-R2.1.0-03
Page 29
Operating instructions
AE
Summary of Contents for TW54
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