GEA T.VIS E-20, Инструкция по эксплуатации

Страница: 102 / 112

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.
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
430BAL013985EN_6
102 25.04.2023