Faults/troubleshooting
50 EN 03|2022
7 Faults/troubleshooting
7.1 Overview
Two different error messages are displayed on the device itself:
• Sensor error – wrong distance from the angle sensor
• Time error – position not reached
The number of error messages is displayed in the “Service” menu
item. A distinction is also made there between the number of
sensor and time errors.
Problem: Leak found in pipe to sewer (inspection glass on valve).
Impurities in valve (sand) or on
the seal.
Î Backwash in order to
remove any dirt from the
seal.
Î A function run can be
achieved by switching
on/off at the rocker switch.
Î Send the actuator and
valve lid to the
manufacturer.
Problem: The backwash/rinse cycle cannot be started via the
right-hand key on the display.
Key not pressed long enough.
Î Press the right-hand key
on the display for more
than 3 seconds.
Problem: Loud snapping noise in the drive housing.
Find the cause and repair the fault.
Replace the motor sprocket.
Problem: Valve turns when turned on.
Test cycle is started, exact
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