Trouble Shooting; Maintenance - PEDROLLO DG ped Instrucciones De Uso

TROUBLE SHOOTING

PROBLEM LED SIGNALS
The keyboard does not LEDS switched off.
switch on.
The pump does not Red LED permanently on.
switch on when a
Red LED on and flashing.
consumer seeks to be
supplied.
Green LED permanently on. The pressure of the system does not fall below the pressure of the set
Alarm of DRY Red LED flashing
RUNNING. Green LEDs in position 1
flashing.
Alarm of SHORT Red LED flashing
CIRCUIT. Green LEDs in position 1
fixed.
Alarm of ELECTRIC Red LED flashing
POWER too low. Green LEDs in position 5
flashing.

MAINTENANCE

(only for skilled personnel)
INSPECTION AND CLEANING OF THE NON RETURN VALVE
After removing pressure from
the system, unscrew and remove
the FILLING PLUG.
INTERVENTION
Verify that the lateral switch is in position "I".
Verify the electric current switched on, verify the differential
switch is suitable.
Switch pump on by pressing the switch "I/O".
See list of alarms in the previous pages.
work.
Verify the presence of water in aspiration.
Verify the aspiration is not blocked.
Fill and prime the pump.
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.
The voltage is more than 15% inferior to the set value, stabilise the
voltage to keep it within the +/-15% limits.
Remove the NON RETURN
VALVE group by unscrewing
the fixing screw. Inspect and
clean it.
Mount the NON RETURN VALVE
group.
Ensure its orientation is
correct!
Correctly screw in the FILLING
PLUG.
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