WilTec 51545, Operation Manual, Page: 8 / 9

© by WilTec Wildanger Technik GmbH Item 51545
–51547
Page 8
http://www.WilTec.de
http://www.aoyue.eu 10 2021 -1
http://www.teichtip.de
The pump emits unusual
noises and vibrations a) Inlet pipe leak a) Check inlet pipe.
b) Inlet pipe too small or clogged by
particles b) Improve or repair inlet pipe.
c) Air in the pump or inlet pipe c) Re-fill liquid, remove air.
d) Too low pump heads of device and
pump d) Improve system or choose a differ-
ent model.
e) Friction of mechanical parts e) Repair pump.
Only carry out e) after consultation.