Vetus WP1208B Installations- Und Benutzerhandbuch Seite 14

ENGLISH
6 Trouble shooting
W
Disconnect the power and drain the system before beginning work on the pump!
arninG
Problem
Motor runs but
there is no flow of
water.
Motor does not
run
Pump continues
to run after all taps
have been closed.
Pump cycles while
tap is closed.
Low pump
capacity or
pressure.
14
050406.03
Possible cause
Empty water tank
Inlet / outlet tube restriction.
Strainer clogged with debris.
Leak in the suction pipe.
No power on pump circuit.
Loose or corroded electrical
connections.
Short circuit in wiring.
Thermal protection of motor has
been activated (motor is too hot).
Faulty motor.
Faulty pressure switch.
Locked drive.
Empty water tank
Leak in the system.
Faulty pressure switch.
Incorrect voltage.
Air trapped in system.
Leak in outlet tubing.
Dirt in inlet filter.
Worn wobble plate.
Worn diaphragm.
Inlet / outlet tube restriction.
Inlet air leak.
Faulty pressure switch.
Incorrect voltage.
Solution
Fill the tank or disconnect the
power to the pump.
Remove restriction.
Clean strainer.
Tighten the hose clamps and check
the fittings.
Check wiring, fuse or circuit breaker.
Check the electrical connections.
Check condition of wires.
Wait until there is an automatic
reset.
Replace pump.
Replace pressure switch assembly.
Replace pump.
Refill.
Tighten leaking hose clamps /
fittings.
Replace pressure switch assembly.
Check voltage (± 10 %).
Open a tap as close to the pump as
possible.
Check plumbing for leakage.
Remove cover and clean filter.
Replace pump.
Replace pump.
Remove restriction.
Tighten fittings / Replace cracked
fittings.
Replace pressure switch assembly.
Check voltage (± 10 %)
Automatic demand water pressure pump WP