Samson 2479, Mounting And Operating Instructions

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EB 3132-3 EN 8-3
Malfunctions
Malfunction Possible reasons Recommended action
Temperature at the
sensor or the flow rate
fluctuates.
Regulator or K
VS
/C
V
coefficient too
large
Î
Check the sizing.
Î
Change K
VS
/C
V
coefficient, if necessary or in -
stall a different sized regulator.
Î
Contact SAMSON's After-sales Service.
The restriction in the control line for
pressure tapping is too large or miss-
ing.
Î
Install a restriction.
Î
Install a smaller restriction.
Sensor installed in the wrong location.
Î
Change the mounting position.
Sensor installed incorrectly.
Î
Immerse the temperature sensor with its entire
immersion depth in the process medium.
Î
Avoid an installation site where idle times or
heat buildup can occur.
Loud noises High flow velocity, cavitation
Î
Check the sizing.
Î
Install larger regulator, if necessary.
Contact SAMSON's After-sales Service for malfunctions not listed in the table.
Note
The malfunctions listed in section 8.1 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 to rectify the fault.
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 can support
you in drawing up an inspection and test
plan for your plant.
Tip