Troubleshooting - DAB NOVA UP Serie Instrucciones De Instalación Y Mantenimiento

12. TROUBLESHOOTING

CHECKS
FAULTS
(possible causes)
A. Check that voltage
is reaching the
The motor motor.
does not start B. Check the protec-
1 and does not tion fuses.
make any C. The switch is not
noise. activated by the
float
A. The suction grid
or the pipes are
blocked
The pump B. The impeller is
2 does not worn or blocked.
deliver C. The head required
is higher than the
pump's characte-
ristics
A. The switch is not
The pump
3 deactivated by the
does not stop.
float
REMEDIES
B. If burnt out,
change them.
C. - Check that the
float can move
freely.
4
- Increase the
depth of the
trap
A. Remove the
obstructions.
B. Replace the im-
peller or remove
the obstruction.
5
A. Check that the
float can move
freely.
CHECKS
FAULTS
(possible causes)
A- Check that the
suction grid is not
partially blocked
Check that the impel-
ler or the delivery
pipe are not partly
The flow rate is
blocked or encru-
insufficient
sted.
C. Ensure that the
check valve (if
contemplated)
is not partially
blocked
The pump A. The thermal over-
stops after load protection
having run for device stops the
a short time pump.
GB
ENGLISH
REMEDIES
A. Remove any
obstructions.
B. Remove any
obstructions.
c. Accurately clean
the check valve
A. Check that
the fluid to be
pumped is not
too dense as
it would cause
overheating of
the motor.
Check that the
water tempera-
ture is not too
high.
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