Faults, Causes And Remedies - Wilo PB BOOST FIRST Instrucciones De Instalación Y Funcionamiento

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Faults, causes and remedies

Faults
The pump does
not start despite
sufficient water
flow
26
WARNING
Risk of electric shock
Danger from electrical current must be elimin-
ated.
Before carrying out electrical work, the pump
must be de-energised (switched off) and protec-
ted against unauthorised restarting.
It is recommended to disconnect the plug.
Causes
Faulty connection
Cord disconnected or dam-
aged
Trouble in the motor
The voltage of the power
supply to the pump is too
low
Flow sensor fault (blocked
valve, connection fault,
etc.)
Remedies
Insert the power plug firmly
Replace the cord
Note: if the supply cord is
damaged, it must be re-
placed by the manufac-
turer, its service agent or
similarly qualified persons
in order to avoid a hazard
Repair or replace the motor
Check the voltage of the
power supply and consult
with the local power sup-
plier
Clean the valve environ-
ment
WILO SE 2022-03