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Danger from faulty pump!
Take appropriate measures to ensure that
pump faults do not cause consequential
damage through flooding of rooms. This
must be ensured, for example, through in-
stallation of an alarm system or a reserve
pump.
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Danger!
Do not let the pump run against a closed
pump line.
6.
Pump Care
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Danger!
Unplug before maintaining or cleaning.
Repair and maintenance work other than de-
scribed in this section should only be carried
out by qualified specialists.
6.1
Routine care
For the pump to function perfectly at all times
routine care is required. This also applies if
the pump is not switched on for extended pe-
riods of time (e.g. during operation in soaka-
ways).
Cleaning the pump
1. Rinse pump with clean water. Remove
persistent marks, e.g. algae deposits, with
brush and dishwashing liquid.
2. To rinse the inside of the pump:
dip pump into a container of clean water
and switch on briefly.
3. Cleaning the suction strainer:
– Unscrew locking screws (32). Remove
suction strainer (33) from pump base
(31).
– Clean suction strainer and pump base.
– Slide suction strainer (33) back on
pump base (31) and secure with lock-
ing screws (32).
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6.2
Pump storage
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Caution!
Frost damages the pump and accesso-
ries as both always contain water!
If there is a danger of frost disassemble
pump and accessories and store in frost-
free conditions.
7.
Troubleshooting
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Danger!
Prior to all servicing:
Unplug.
7.1
Troubleshooting guide
Pump does not run:
No mains voltage.
– Check cables, plug, outlet and mains
fuse.
Mains voltage too low.
– Use an extension cable with sufficient
conductor diameter.
Motor overheated; motor protection relay
tripped.
– Eliminate the cause of overheating
(pump blocked by foreign objects?).
– After cooling the pump will switch ON
again.
Float switch does not switch pump ON
when water level rises.
– Make sure the float switch can move
unrestrictedly.
If, despite sufficient mobility of the float
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