Troubleshooting
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7.
Loosen the nut.
8.
Remove nut and cam disc.
9.
Using an open-ended wrench or a screwdriver, turn the wrench flat of the pipe
nozzle to the left until the mechanical stop is reached.
» The suction nozzle is closed manually.
10.
Slowly open the shut-off valves.
» The water no longer escapes.
► Mount the drive unit in reverse order.
NOTE:
The filter’s suction nozzle has been tightened too much.
● The lower suction nozzle got stuck.
● The drive unit does not provide the torque required to open the suction nozzle.
There is a risk of damage when the unit is put back into operation.
► After manual closing, start a manual backwash.
► Check whether the drive unit properly opens the suction nozzle.
» The water flows from the bottom of the backwash water connection.