11
Alarms
11.1
Malfunctions and remedies
In the event of malfunctions immediately deactivate the valve and secure it
against inadvertent reactivation. Malfunctions may only be remedied by qualified
staff, who must observe the safety precautions.
Malfunction, signalling, cause, remedy
Malfunction
Signalling
Cause
Remedy
Programming is
not possible after
connecting the
supply voltage.
No LED is lit
•
No voltage at
connector 1
(PINs 1 and 3)
•
Polarity of
PINs 1 and 3
mixed up
•
Service
function active
•
Check the
electrical
connections
for correct
wiring
•
Connect PIN 1
and PIN 3
correctly
•
Disconnect the
plug
After connecting
the supply
voltage, green/
yellow is indicated
immediately
Green or yellow
Device already
programmed at
least 1 x
Reprogram in
order to adjust to
the process
conditions: Press
the + and -
buttons at the
same time for 3 ...
Actuate 7 s, see
restarting,
Section 8.2,
Page 42
Programming
cannot be
completed
Steady red light
End positions
cannot be reached
due to missing
control air
pressure or
Check the control
air pressure:
observe the
minimum pressure
for the process
valve indicated on
the type plate
due to incorrectly
fitted switch bar
Check and tighten
the fitted adapter,
see Section 6.6,
Page 31
Alarms
Malfunctions and remedies
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Summary of Contents for T.VIS P-15
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