10-2 EB 8384-3 EN
Servicing
10.1 Cleaning the cover window
Occasionally, the window in the cover may
need to be cleaned.
Incorrect cleaning will damage the window.
The window is made of Makrolon
®
(new de-
sign) and will be damaged when cleaned
with abrasive cleaning agents or agents con-
taining solvents.
Î Do not rub the window dry.
Î Do not use any cleaning agents contain-
ing chlorine or alcohol or abrasive
cleaning agents.
Î Use a non-abrasive, soft cloth for clean-
ing.
10.2 Cleaning the lters
Therearelterswitha100µmmeshsizein
the pneumatic connections for supply and
output which can be removed and cleaned,
if required.
10.3 Maintenance of the supply
air pressure reducing sta-
tions
The maintenance instructions of any up-
stream supply air pressure reducing stations
must be observed.
10.4 Firmware updates
Firmware updates on positioners currently in
operation can be performed as described
below. Only individuals with a written ap-
proval may perform updates. Approved in-
dividuals are named by SAMSON's Quality
Assurance and assigned a test mark.
Laptops and computers connected to the
power supply must only be interconnected
with intrinsically safe equipment if the
SAMSON isolated USB interface adapter
(order no. 1400-9740) is connected in-
between for software programming or test
routines.
Updates outside the hazardous area:
Î Remove the positioner and perform the
update outside the hazardous area.
Updates on site:
Î Updates on site are only permitted after
the plant operator presented a signed
hot work permit.
Î After updating has been completed, add
thecurrentrmwaretothenameplate
(e.g. using a label).
Î The individual approved by SAMSON
conrmstheupdatebyattachingtheas-
signed test mark (stamp).
10.5 Periodic inspection and
testing of the positioner
Werecommendinspectionandtestingac-
cording to Table 10-1 at the minimum.
NOTICE
!