en
Thermal protection or fuses not Check and, if necessary, replace
suitable for motor current
the components
The electric pump starts up but
A phase in the electric supply
Check the power supply
after a short time the thermal
is missing
protection is triggered or the fuses Power supply voltage not within Check the operating conditions
blow
the motor's working limits
of the electric pump
The electric panel is situated in Protect the panel from heat sources
an excessively heated area or is and sun light
exposed to direct sun light
The electric pump starts up but
The temperature of the sucked Check the operating conditions
after a certain period of time the
water is too high
of the electric pump
thermal protection is triggered
Excessively large solids
Extract the electric pump and clean
have clogged the impeller
It. If the problem persists, check the
operating conditions of the
electric pump
Filaments have clogged the
impeller (for versions that do not
feature a "vortex" type impeller)
The electric pump starts too
Water leaks through the
Check the system to locate leaks.
frequently
non-return valve or in the
Repair or replace components.
system
Incorrect adjustment of float
Check the float switch
switch
The electric pump starts but does
Wrong direction of rotation
Check the direction of rotation and,
not supply the required
if necessary, exchange two leads
performances
in the motor connection.
The delivery pipe is clogged or Check the installation
the check valve is dirty or
there is an air pocket
The pump is damaged or its
See the relevant instructions in
internal parts are clogged
the pump's manual
Triggering of system's general
Short circuit
Check the connection cables
protection
Triggering of system's differential
Ground leakage
Check the insulation of the
protection (circuit breaker)
electric pump and cables
9. Spare parts
Instructions for maintenance personnel
Always state the exact model identification number and construction number when requesting technical
information or spare parts from our Sales and Service Center.
Use only original spare parts when replacing any faulty or worn components.
The use of unsuitable spare parts can cause malfunctions, personal injury and damage to pro-
perty.
10. Disposal
Directions for installers and maintenance personnel
After installing the unit, dispose of packaging according to legislation in force; if possible, re-utilize the
packaging for other purposes.
If the product must be decommissioned and dismantled, observe the current legislation regarding sorted
waste disposal.
11. Warranty
For any information refer to the sales documents.
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