GEA FLOWVENT, Инструкция по эксплуатации, Страница: 75 / 84

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 red SETUP not valid. Carry out reset, see
Section 3.2.6, Page 22
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.
No reset possible with
voltage supply
connected Green Solenoid valve Y2
or/and solenoid valve
Y3 switched on. Switch all solenoid
valves off.
Alarms
Malfunctions and remedies
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