EB 8395 EN
31
Servicing
8
Servicing
The positioner was checked by SAMSON
before it left the factory.
−
The product warranty becomes void if
service or repair work not described in
these instructions is performed without
prior agreement by SAMSON's After-sales
Service department.
−
Only use original spare parts by
SAMSON, which comply with the original
specifications.
The Type 3724 Positioner requires no main
-
tenance.
Î
Observe the maintenance instructions of
any upstream supply air pressure reduc-
ing stations.
8.1
Preparation for return ship-
ment
Defective positioners can be returned to
SAMSON for repair.
Proceed as follows to return devices to
SAMSON:
1.
Put the control valve out of operation.
See associated valve documentation.
2.
Fill in the Declaration on Contamination.
The declaration form can be download-
ed from our website at
u
SUPPORT > After-sales Service.
3. Remove the positioner (see section 10).
4.
Send the positioner to your nearest
SAMSON subsidiary. SAMSON
subsidiaries are listed on our website at
u
8.2 Firmware update
Contact your local SAMSON engineering
and sales office or subsidiary (www.samson.
de > About SAMSON > Sales offices) to re
-
quest a firmware update.
Required specifications
Please submit the following details on re
-
questing a firmware update:
−
Type
−
Serial number
−
Configuration ID
−
Current firmware version
−
Required firmware version
Note
Содержание 3724
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