26
EB 2043 EN
Malfunctions
SAMSON's After-sales Service department
can support you to draw up an inspection
plan for your plant.
7.1 Preparation for return ship-
ment
Defective devices can be returned to
SAMSON for repair. Proceed as follows to
return devices to SAMSON:
1. Put the device out of operation. See sec-
tion 9.
2. Decontaminate the valve. Remove any
residual process medium.
3. Fill in the Declaration on Contamination,
which can be downloaded from our
website at
u
www.samson.de > Services
> Check lists for after sales service >
Declaration on Contamination.
4.
Send the device together with the filled-in
form to your nearest SAMSON subsidi-
ary. SAMSON subsidiaries are listed on
our website at
u
www.samson.de >
Contact.
8 Malfunctions
The malfunctions listed in Table 5 are caused
by mechanical faults and incorrect regulator
sizing. In the simplest case, the functioning
can be restored following the recommended
action. Special tools may be required for re-
pair work.
Tip
Exceptional operating and installation condi-
tions may lead to changed situations that
may affect the control response and lead to
malfunctions. For troubleshooting, the condi-
tions, such as installation, process medium,
temperature and pressure conditions, must
be taken into account.
SAMSON's After-sales Service department
can help during troubleshooting. Further in-
formation is available in section 10.
SAMSON's After-sales Service department
can support you to draw up an inspection
plan for your plant.
Contact SAMSON's After-sales Service de
-
partment for malfunctions not listed in the ta-
ble.
Tip
Note