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Faults
The pump does not pump properly
Volume flow too low
Current consumption too high
Delivery head too small
Pump runs roughly/loud noise
36
9 Maintenance
DANGER! Risk of fatal injury!
There is a mortal danger through shock when working on electrical equipment.
• Before all maintenance and repair work, switch off the unit from the power supply and
make sure it cannot be switched on by unauthorised persons.
• Work on the electrical part of the unit may only be carried out by a qualified electrician.
DANGER!
Toxic or harmful substances in sewage can lead to infections or suffocation.
• Before carrying out maintenance work at the installation location, ventilate suffi-
ciently.
• Use appropriate protective equipment to prevent the risk of infection while performing
maintenance work.
• For safety reasons, make sure a second person is present at all times when you are
working in the sump.
• Risk of explosion when opening (avoid open sources of ignition).
• Observe the installation and operating instructions of the unit and the accessories.
Read the "Decommissioning" chapter before performing maintenance work.
The system operator must make sure that all the maintenance, inspection and installation
work is done by authorised and qualified personnel, who have acquainted themselves suf-
ficiently with the system through a detailed study of the installation and operating instruc-
tions.
• Sewage lifting units are to be maintained by someone skilled to do so in accordance with
EN 12056-4. The intervals must not exceed:
• ¼ year in the case of commercial companies
• ½ year for units in multi-family houses
• 1 year for units in single-family houses.
• A maintenance report must be issued.
It is recommended to have the unit serviced and checked by the Salmson customer service.
NOTE: When drafting a maintenance plan, expensive repairs can be avoided and fault-free
operation of the unit can be achieved with a minimum of maintenance effort. Salmson cus-
tomer service is available for commissioning and maintenance work.
After maintenance and repair work, install and connect the installation as described in the
chapter "Installation and electrical connection". Switch on the machine as described in the
"Commissioning" chapter.
10 Faults, causes and remedies
Only have faults remedied by qualified personnel.
Follow the safety instructions in 9 Maintenance.
• Observe the installation and operating instructions of the unit and the accessories.
• If the operating fault cannot be remedied, please consult a specialist technician, Salmson
service or the closest Salmson representative.
Identifier: Cause and remedy
1, 3, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16, 17
1, 2, 3, 4, 5, 7, 8, 11, 12, 13
1, 2, 3, 4, 5, 7, 13
1, 2, 3, 4, 5, 8, 11, 12, 13, 16
1, 2, 3, 9, 12, 13, 14, 16
Salmson 04/2011
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