EN
21
TROUBLESHOOTING
Problem Cause Action
The product runs, but delivers
no water.
Air in the pump. See section on preparations.
Air does not come out on the
outlet side.
Open the tap on the outlet side.
The product does not work,
or suddenly stops when
running.
Power supply disconnected. Check fuses and connections.
The overheating protection
trips and switches o the
product.
Pull out the plug, allow the
product to cool, and clear the
intake system. Prevent dry running.
The motor starts again
immediately after switching
o.
The pressure in the system
drops quickly.
Check all the connections and
seals, and check the water outlet.
Even very minor leakage has an
adverse eect.
Air pressure too low in the
storage tank.
Adjust the air pressure in the
storage tank to 2.0 bar.
The non-return valve does
not close properly.
Check the non-return valve on the
suction side.
The diaphragm in the
pressure tank is damaged.
Replace the diaphragm.
The transported amount of
water is too little.
The inlet lter is dirty, or the
non-return valve does not
close properly.
Clean the inlet lter or non-return
valve.
The transported amount
of water depends on the
total lifting height and the
arrangement of the lines.
Do not exceed the maximum
permitted lifting height as per
section on technical data. Use
lines with another diameter and/
or length.
The pre-lter is dirty.
Remove the lter and clean under
running water.
Vibrating noise when water is
taken out.
The diaphragm in the
pressure tank vibrates.
Noise can be reduced by reducing
the air pressure in the storage tank.
To Next Page
Loading...
