Malfunction, signalling, cause, remedy
Malfunction
Signalling
Cause
Remedy
because stroke is
too small (below
minimum stroke of
1 mm)
Reprogram the
T.VIS P- 15 after
checking the
above/mentioned
points
Throttle settings
are incorrect
Open the supply
air throttle (at P)
further
Open the exhaust
air throttle (at N)
further
After
programming, the
valve position is
not properly
regulated
Blue flashing
Adapter in the
process valve not
fitted correctly
Control and
tightening of the
installed adapter,
see “Installation of
the control top on
different valves”
Control air
pressure not
sufficient to
actuate the
process valve
Check the control
air pressure:
observe the
minimum pressure
for the process
valve indicated on
the type plate
Control air
pressure was
sufficient during
programming, but
drops in the
system during the
operation
Check the control
air pressure:
observe the
minimum pressure
for the process
valve indicated on
the type plate
Throttle settings
are incorrect
Supply air throttle
at P
Exhaust air
throttle at N
Fine adjustment
required
No feedback
signal is pending
at the PLC
although one of
the end positions
has been reached
Red LED flashing
T.VIS P-15 in
factory setting and
not yet
programmed
Programming
according to
Operating
overview, see
Section 8.2,
Page 42
Alarms
Malfunctions and remedies
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Summary of Contents for T.VIS P-15
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