DAB PUMPS LEADER ECOPLUS Series Інструкція з монтажу та обслуговування - Сторінка 8
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5.
TROUBLESHOOTING
Before taking any troubleshooting action, disconnect the pump from the power supply.
lf there is any damage to the power cord or pump, any necessary repairs or replacements must
be handled by the manufacturer or his authorized customer support service. or by an equally-
qualified party, In order to prevent all risks.
Multi-impeller self priming Surface pump and boosters with tanks
FAULT
1. The pump does not
turn on
2. The pump turns but
does not deliver
water
3. The pump stops due
to overheating
caused by the
opening of the
thermal overheat
protection.
CAUSE
1)No power
2) Shaft blocked
1) The air inside the pump has not
been completely bled. Pump casing
without water
2) Entry of air from the suction pipe.
3) The suction valve is not submerged
in the water
-suction valve blocked
-the maximum suction depth has been
exceeded.
1) The power supply does no conform
to that on the rateing plate of the
motor (voltage to high or to low)
2) A soild object has blocked the
impeller
3) The pump has been operating with
water that is too hot.
4) The pump ran dry or ran with the
delivery tap closed for more than 10
minutes.
SOLUTION
1) Check if power is supplied to the socket and that
the plug is correctly inserted
2) Remove the plug from the power socket and
insert a screwdriver into the notch on the shaft
(from the cooling fan side) and unblock it by
turning the screwdriver
1) stop the pump, unscrew the delivery pipe, shake
the pump and suction hose to remove any air
bubbles. Top up with water, connect the hose and
delivery pipe ensuring it is correctly sealed and
start the pump again.
2) check that the joints of the suction hose have
been performend correctly. Make sure that there
are no counterslopes, traps, goosenecks or
constrictions on the suction pipe and that the
suction valve is not blocked.
3) place the suction valve in the water
- clean the foot valve
- clean the suction basket
- check the suction depth.
1) - 4) remove the plug, remove the cause of
overheating, wait for the motor to cool down and
start it again.
5