3
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.
FAULT
CAUSE
SOLUTION
The motor does not
start or makes no
noise
A. Make sure the motor is
powered.
B. The pump is not enabled by the
float.
A. Check if power is supplied to the socket
and that the plug is correctly inserted
B. - Make sure the float can move freely.
- Increase the depth of the trap.
The pump delivers no
water
A. The suction grid or piping are
clogged.
B. The impeller is worn or stuck.
C. The required head is too high
for the characteristics of the
pump.
D) Water level under the suction
minimum.
A. Remove the obstruction.
B. Replace the impeller or remove the
obstruction.
The pump does not
stop.
A. The pump is not disabled by the
float.
A. Make sure the float can move freely.
The flow rate is too
low
A. Make sure the suction grid is
not partially clogged.
B. Make sure the impeller or
delivery pipe are not partially
clogged or fouled.
A. Remove any obstructions.
B. Remove any obstructions.
The pump stops
running (possible
intervention of the
thermal overload
switch).
- Make sure the fluid being
pumped is not too dense, causing
the motor to overheat.
- Make sure the temperature of the
water is not too high.
- Make sure there is no solid body
obstructing the impeller.
-
Power supply doesn’t comply
with the nameplate’s data.
Disconnect the power cord, correct the
reason for overheating; then wait until the
pump is cooled, plug the cord and resume
operation.
ELECTRICAL DATA
Model
P1
Watt
P1
Hp
Max Flow
GPM
Voltage
Volt
Frequency
Hz
Head Max
Ft
ECOSUB 400
220
1/4
29
115
60
20
ECOSUB 410 / 410A
300
1/3
37
115
60
23
ECOSUB 420 / 420A
750
1/2
66
115
60
30
