Faults - Causes - Remedies - FLORABEST FTP 400 D3 Traduction Des Instructions D'origine

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Faults - Causes - Remedies

Faults
Pump does not start
Pumps has no dis-
charge
Pump does not switch
off
Flow rate insufficient
Pump switches off
after a short period
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Causes
- Mains voltage is not applied
- Float switch (
switch
- Pump pedestal (
grating blocked
- Reduces pump performance,
through severely contami-
nated water and additions in
the water which produce a
grinding effect
- Backflow stop (
incorrectly fitted or faulty
- Float switch cannot drop
- Pump pedestal (
grating blocked
- Reduces pump performance,
through severely contami-
nated water and additions in
the water which produce a
grinding effect
- Backflow stop (
incorrectly fitted or faulty
- Backflow stop (
duces pump performance
- Motor contactor disconnects
the pumps because of water
pollution that is too severe.
- Water temperature too high,
motor contactor breaks
Remedies
- Check mains voltage
6) does not - Bring float switch into higher
position
- Use a water jet to clean the
4) inlet
pump pedestal inlet grating
- Clean pump
11) is - Check the backflow stop's
connection. Change it if
necessary (see "Maintenance
and Cleaning")
- Set up pumps correctly on the
pit base
4) inlet - Use a water jet to clean the
pump pedestal inlet grating
- Clean pump
11) is - Check the backflow stop's
connection. Change it if
necessary (see "Maintenance
and Cleaning")
- Remove the backflow stop
11) re-
from the angle adapter (
12) (see "Start-up")
- Pull out power plug and
clean the pump as well as
shaft
- Note maximum water tem-
perature of 35°C!