29
ENGLISH |
TROUBLE SHOOTING
PROBLEM
LED SIGNALS
INTERVENTION
The keyboard does not
switch on.
LEDS switched off.
Verify that the lateral switch is in position “I”.
Verify the electric current switched on, verify the differential
switch is suitable.
The pump does not
switch on when a
consumer seeks to be
supplied.
Red LED permanently on.
Switch pump on by pressing the switch “I/O”.
Red LED on and flashing.
See list of alarms in the previous pages.
Green LED permanently on. The pressure of the system does not fall below the pressure of the set
work.
Alarm of DRY
RUNNING.
Red LED flashing
Green LEDs in position 1
flashing.
Verify the presence of water in aspiration.
Verify the aspiration is not blocked.
Fill and prime the pump.
Alarm of SHORT
CIRCUIT.
Red LED flashing
Green LEDs in position 1
fixed.
Verify the pump is not blocked by opening the posterior tap of
the motor and rotating the shaft.
Verify the cable, the plug and the socket are integral and that
there are no dispersions.
Alarm of ELECTRIC
POWER too low.
Red LED flashing
Green LEDs in position 5
flashing.
The voltage is more than 15% inferior to the set value, stabilise the
voltage to keep it within the +/-15% limits.
MAINTENANCE
(only for skilled personnel)
INSPECTION AND CLEANING OF THE NON RETURN VALVE
n
After removing pressure from
the system
, unscrew and remove
the FILLING PLUG.
o
Remove the NON RETURN
VALVE group by unscrewing
the fixing screw. Inspect and
clean it.
p
Mount the NON RETURN VALVE
group.
Ensure its orientation is
correct!
q
Correctly screw in the FILLING
PLUG.
