Wilo Wilo-FilTec FBS, Инструкция по установке и эксплуатации

Страница: 12 / 12

ENGLISH
12
8 Fault finding- Causes and Remedies
If the faults cannot be located and rectified, please contact your nearest Wilo representative.
Technical modifications reserved!
Fault Cause Remedy
Pump does not fill Air entry in suction pipe Check condition of pipe, connections,
and seals.
Cover of lint strainer does Clean strainer cover and check condition
not seal tight of O-ring washer.
Wrong direction of motor Change any two phase wires.
rotation (3-phase motor)
Insufficient pump Air entry in suction pipe Check condition of pipe , connections,
performance and seals.
Wrong direction of motor Change any two phase wires.
rotation (3-phase motor)
Pressure loss in suction Eliminate any element causing excessive
pipe resistance.
Wrong voltage Check that available voltage corresponds
with name plate data.
Chocked lint strainer Clean lint strainer
Chocked main sand filter Start backwash cycle.
Motor failure Loss of phase The original operating conditions are
automatically restored on power restoration.
WSK of pump motor has Let motor cool down, reset fault at switchbox,
tripped pump will restart. On repeated tripping of the
WSK it will be necessary to check pump
electrically and mechanically.