Based on the combinations of LEDs, the cause of the pump malfunction can normally be identified
Fault
LED
The pump
Power is off
does not
Pump on is off
work
Alarm is off
Power is on
Pump on is off
Alarm is off
Power is on
Pump on is on
Alarm is on
Power is on
Pump on is off
Alarm is flashing
Power is on
Pump on is off
Alarm is on
Insufficient
delivery
The pump
continuousl
y stops and
starts.
Booster with integrated electronics
Cause
No power
Faulty card
The delivery hose is blocked
Incorrect installation (+ 15 m)
Faulty card
Lack of suction water no more
than 26 hours ago
Impeller blocked (thermal cut-
out tripped)
Lack of water for more than 26
hours
Impeller blocked (thermal cut-
out tripped)
Excessive suction depth
Foot valve blocked
Performance of the pump
is reduced due to foreign
objects
There are leaks in the system
The pump has sucked in
foreign materials
The non-return valve is
leaking
The water level drops rapidly
below 8m
6
Solution
Check that the mains power supply is
sufficient. Check the electrical line
and the connections.
Contact an authorised service centre.
Check the hydraulic system
Contact an authorised
service centre
Check that the suction hose has been
fitted correctly
Clean/free the pump
Check that the suction hose has been
fitted correctly.
Clean the pump
Check the suction depth
Clean the foot valve
Clean the pump
Clean the pump
Position the foot valve deeper (not below
8 meters)
GB