DAB VERTY NOVA Serie Manual De Instrucciones página 8

Fault
The motor does not
start or makes no
noise.
The pump delivers
no water.
The pump does not
stop.
The flow rate is too
low.
The pump stops
running (possible
intervention of the
thermal overload
switch).
Possible causes
A) Make sure the motor is powered.
B) The pump is not enabled by the float.
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) The pump is not disabled by the float.
A) Make sure the suction grid is not par-
tially clogged.
B) Make sure the impeller or delivery pipe
are not partially clogged or fouled.
- 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 ob-
structing the impeller.
- Power supply doesn't comply with the
nameplate's data.
B) - Make sure the float can move freely.
- Increase the depth of the pit.
A) Remove the obstruction.
B) Replace the impeller or remove the
obstruction.
A) Make sure the float can move freely.
A) Remove any obstructions.
B) Remove any obstructions.
Disconnect the power cord, correct the
reason for overheating; then wait until
the pump is cooled, plug the cord and
resume operation.
6
ENGLISH
Solutions
1
P
L
f
L
c
U
2
V
d
D
L
N
d
c