Weh TW156, Руководство по эксплуатации

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11. TROUBLESHOOTING
No
�
Fault
Can be r
ecogniz
ed b
y
Possible cause
Remedial measur
es
1
Leakage between custom
-
er sample and connector (inter
face)
Sounds of escaping gas
Incorr
ect connection
Stop the testing operation, reconnect the connector
Inlet too rigid
Fit a flexible hose, for example
Incorr
ect connection
Stop the testing operation, reconnect the connector
Seal on test piece de
-
fectiv
e
Stop the testing operation
Replace seals
Test piece damaged
Decide whether to interrupt or continue the filling operation
Replace test piece
2
The hand le
ver or v
alv
e actuation is either seriously
damaged or br
ok
en
Ex
cessiv
e mechanical
str
ess due to inappr
opri
-
ate handling
Return the connector to WEH for maintenance
3
Leakage on connector
Sounds of escaping gas
Def
ectiv
e
sealing components
Send the connector to WEH for main
-
tenance.
Fittings ar
e leaky
Leakage at the media inlet or the pilot pr
essur
e
por
t
Tighten up fittings, see
Chapter 7.
Installation
4
Segments of the clamping jaws ar
e not sufficiently
compr
essed
Connector is seated too loosely
, it sits unsteadily
on the test piece
W
ear
First
check the
test
piece. If
this is
def
ectiv
e,
replace
the test
piece.
If it
is
in good condition,
send
the
connector
to WEH
for
maintenance
Connector is not corr
ectly connected
Repeat the connecting pr
ocedur
e
MD-10021-L51-R2.1.0-03
Page 25
Operating instructions AE