91
EN
8.3.2
Pump
LED colour
Pump status
Fault
Possible solution
Red/Green flash-
ing
Turbine operation
The hydraulic system in the pump
is powered but the pump is not
receiving any mains voltage
- Check network voltage
Dry operation
Air in the pump
- Check for leaks in the system
Overloading
The motor has difficulties turning.
The number of revs is lower than for
normal operation
- Check network voltage
- Check the system flow rate/pressure
- Check the characteristics of the system water; clean
the system of any debris
Flashing red
Overvoltage/undervoltage
Power supply voltage too low/high
- Check network voltage
Excessive temperature
Excessive temperature inside the
pump
- Check the water temperature in relation to ambient
temperature
- Check network voltage
- Check the ambient operating conditions
Short circuit
Motor current too high
- Check network voltage
Lit red
"Permanent safety shutdown"
Impeller blocked
- REPLACE THE PUMP
Fault in the electronic board and/or
the motor
- REPLACE THE PUMP
LED off
Stationary
No electrical power
- Check the electrical power connection
LED faulty
- Check if the pump can operate
Electronic board faulty
- REPLACE THE PUMP
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