Idiomas disponibles
Idiomas disponibles
12.7. Low pressure (A11)
Description.
In Mode 3 inside the CONFIGURATION MENU can be set a mini-
mum working pressure, below which and for a pre-set time, the
alarm is activated (A11).
The minimum pressure allows to detectdry-run operation or pumps
working out of curve.
This alarm is automatically reset as soon as the pressure exceeds the
limit value or by pressing
Cause
Broken pipes
Pump operating out of its curve.
lack of water on suction side.
Wrong configuration.
12.8. Overflow (A20)
Description.
Triggered when an overflow occurs during draining. The pump/
pumps will continue to run.
It automatically disappears if the water level drops.
Cause
Not enough power of drainage
pumps.
Wrong operation of the float
switch or the level probe.
12.9. Low level (A21)
Description.
It is activated when the level drops below the minimum level float
switch, provided it is installed. It will act just before the A01 alarm,
preventing the pump from working without water. It disappears
automatically if the water level rises.
Cause
Drainage group with stop float
switch and redundant minimum
level float switch. Malfunction
of the stop float switch that has
not been activated.
Booster sets with redundant
pressure switch and minimum
float switch for dry-running
protection.
It has triggered because the
tank is empty.
Booster applications with
minimum level float switch
for redundant dry-running
protection.
It is activated because the tank
is empty.
12.10. Shortcircuit or phase-lack (A27)
Description.
This alarm has been activated because a very high electrical con-
sumption has been detected, caused by a short circuit or the lack
phase. Alarm A27 will be activated and the system will attempt up
to 4 reset attempts.
Cause
Phase-lack
Motor winding communicated
.
Solution
Check hydraulic net.
Check in BASIC PRO-
GRAMMATION MENU
values PX.X and TX.X.
Solution
Install higher power pumps.
Check the probe or float con-
nected to S4 of the HUB board.
Solution
Check the stop float switch.
The alarm has worked correctly.
Check the reason because the
tank or suction tank does not
have water,
The alarm has worked correctly.
Check the reason because the
tank or suction tank does not
have water
Solution
Check the 3 power supply pha-
ses and the connection to the
power supply terminals.
Check the motor winding.
12.11. Continuous operation (A30)
Description.
The alarm against uninterrupted operation has been activated
because the pump has been running continuously for a period of
time equal to the limit set in the ADVANCED MENU. In our factory
settings this alarm is disabled (H00).
This alarm is very useful to prevent flooding or other applications.
It is manually reset by pressing
L
Cause
Filling a large capacity tank or a
swimming pool.
Wrong configuration.
13. EC DECLARATION OF CONFORMITY
12
Solution
Deactivate the alarm in the
ADVANCED MENU.
Verify parameyter HXX in the
ADVANCED MENU.
