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
Activating the
solenoid valves is
not possible after
connecting the
power supply.
No LED is lit
Connecting
terminals for the
power supply
mixed up.
Check the
electrical
connections for
correct wiring.
After connecting
the power supply,
the valve in end
position status
(yellow) is
indicated
immediately.
Yellow
Actuation via
process control
system or the
manual override
device on the
solenoid valve
activated.
Cancel the
actuation.
After connecting
the power supply,
the valve position
is indicated by a
yellow flashing
light.
Flashing yellow
Sensor setting not
correct.
Adjust sensor, see
chapter “Adjust
sensor in control
top”
Switch bar not
fitted correctly.
Control and
tightening of the
switch bar, see
“Installation of the
control top on
different valves”
No signal for the
non-actuated or
actuated position
is pending at the
PLC although one
of the end
positions has
been reached.
Green or yellow
Feedback signals
for the non-
actuated and
actuated positions
to the PLC not
connected.
Correct wiring,
see “Electrical
connection”
Alarms
Malfunctions and remedies
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104
15.04.2020
Summary of Contents for T.VIS M-15
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